project manual for 19.001.02 livonia schools 2020 …

Livonia Public Schools 2020 Boiler Replacements

Project No. 19.001.02

PROJECT MANUAL FOR 19.001.02 LIVONIA SCHOOLS 2020 BOILER REPLACEMENTS (FRANKLIN HS, EMERSON MS, RILEY MS, ROOSEVELT ELEMENTARY, COOLIDGE ELEMENTARY) PROJECT NUMBER: 19.001.02 LIVONIA PUBLIC SCHOOLS 15125 FARMINGTON ROAD LIVONIA, MI 48154

PREPARED BY: UNIFIED BUILDING SYSTEMS ENGINEERING, LLC

Unified Building Systems Engineering, LLC

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https://19.001.02

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Project No. 19.001.02 SECTION 00 01 10

TABLE OF CONTENTS PROCUREMENT AND CONTRACTING REQUIREMENTS 1.01 DIVISION 00 -- PROCUREMENT AND CONTRACTING REQUIREMENTS

A. 00 01 01 - Project Title Page

B. 00 01 10 - Table of Contents

SPECIFICATIONS 2.01 DIVISION 04 -- MASONRY 2.02 DIVISION 22 -- PLUMBING

A. 22 05 53 - Identification for Plumbing Piping and Equipment

B. 22 07 19 - Plumbing Piping Insulation

C. 22 10 05 - Plumbing Piping

D. 22 10 06 - Plumbing Piping Specialties

2.03 DIVISION 23 -- HEATING, VENTILATING, AND AIR-CONDITIONING (HVAC) A. 23 05 16 - Expansion Fittings and Loops for HVAC Piping

B. 23 05 53 - Identification for HVAC Piping and Equipment

C. 23 05 93 - Testing, Adjusting, and Balancing for HVAC

D. 23 07 13 - Duct Insulation

E. 23 07 19 - HVAC Piping Insulation

F. 23 09 13 - Instrumentation and Control Devices for HVAC

G. 23 09 23 - Direct-Digital Control System for HVAC

H. 23 09 30 - Variable Frequency Drives

I. 23 21 13 - Hydronic Piping

J. 23 21 14 - Hydronic Specialties

K. 23 21 23 - Hydronic Pumps

L. 23 25 00 - HVAC Water Treatment

M. 23 51 00 - Breechings, Chimneys, and Stacks

N. 23 52 16 - Condensing Boilers

O. 23 82 00 - Convection Heating and Cooling Units

2.04 DIVISION 26 -- ELECTRICAL A. 26 05 05 - Selective Demolition for Electrical

B. 26 05 19 - Low-Voltage Electrical Power Conductors and Cables

C. 26 05 26 - Grounding and Bonding for Electrical Systems

D. 26 05 29 - Hangers and Supports for Electrical Systems

E. 26 05 33.13 - Conduit for Electrical Systems

F. 26 05 33.16 - Boxes for Electrical Systems

G. 26 05 53 - Identification for Electrical Systems

H. 26 05 83 - Wiring Connections

I. 26 22 00 - Low-Voltage Transformers

Unified Building 00 01 10 00 01 10 - 1Systems Engineering, LLC Table of Contents

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Project No. 19.001.02 J. 26 24 16 - Panelboards

K. 26 28 13 - Fuses

L. 26 29 13 - Enclosed Controllers

END OF SECTION

Unified Building 00 01 10 00 01 10 - 2Systems Engineering, LLC Table of Contents

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FIRESTOPPING PART 1 GENERAL 1.01 SECTION INCLUDES

A. Firestopping systems.

B. Firestopping of joints and penetrations in fire resistance rated and smoke resistantassemblies, whether indicated on drawings or not, and other openings indicated.

1.02 REFERENCE STANDARDS A. ASTM E119 - Standard Test Methods for Fire Tests of Building Construction and Materials

2019.

B. ASTM E814 - Standard Test Method for Fire Tests of Penetration Firestop Systems 2013a(Reapproved 2017).

C. ITS (DIR) - Directory of Listed Products current edition.

D. FM (AG) - FM Approval Guide current edition.

E. UL 1479 - Standard for Fire Tests of Penetration Firestops Current Edition, Including AllRevisions.

F. UL (FRD) - Fire Resistance Directory Current Edition.

1.03 QUALITY ASSURANCE A. Fire Testing: Provide firestopping assemblies of designs that provide the scheduled fire

ratings when tested in accordance with methods indicated.

1. Listing in UL (FRD), FM (AG) or ITS (DIR) will be considered as constituting anacceptable test report.

2. Submission of actual test reports is required for assemblies for which none of theabove substantiation exists.

B. Manufacturer Qualifications: Company specializing in manufacturing the products specifiedin this section with minimum three years documented experience.

C. Installer Qualifications: Company specializing in performing the work of this section and:

1. Trained by manufacturer.

1.04 FIELD CONDITIONS A. Comply with firestopping manufacturer's recommendations for temperature and conditions

during and after installation; maintain minimum temperature before, during, and for threedays after installation of materials.

B. Provide ventilation in areas where solvent-cured materials are being installed.

PART 2 PRODUCTS 2.01 MANUFACTURERS

A. Firestopping Manufacturers:

1. 3M Fire Protection Products: www.3m.com/firestop/#sle.

2. Hilti, Inc: www.us.hilti.com/#sle.

2.02 MATERIALS A. Firestopping Materials: Any materials meeting requirements.

B. Primers, Sleeves, Forms, Insulation, Packing, Stuffing, and Accessories: Provide type ofmaterials as required for tested firestopping assembly.

Unified Building 07 84 00 07 84 00 - 1Systems Engineering, LLC Firestopping

www.us.hilti.com/#sle

www.3m.com/firestop/#sle

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Project No. 19.001.02 2.03 FIRESTOPPING PENETRATIONS THROUGH CONCRETE AND CONCRETE MASONRY

CONSTRUCTION A. Blank Openings:

1. In Floors or Walls:

a. 2 Hour Construction: UL System C-AJ-0090; Hilti FS-ONE MAX Intumescent Firestop Sealant.

B. Penetrations Through Floors or Walls By:

1. Multiple Penetrations in Large Openings:


b. 3 Hour Construction: UL System C-AJ-8110; Hilti CFS-BL Firestop Block.

c. 2 Hour Construction: UL System C-AJ-8143; Hilti FS-ONE MAX Intumescent Firestop Sealant.

2. Uninsulated Metallic Pipe, Conduit, and Tubing:


3. Electrical Cables Not In Conduit:


b. 3 Hour Construction: UL System C-AJ-3208; Hilti CP 618 Firestop Putty Stick.

c. 2 Hour Construction: UL System C-AJ-3216; Hilti CFS-PL Firestop Plug.

C. Penetrations Through Floors By:


a. 3 Hour Construction: UL System F-A-1023; Hilti CP 680-P/M Cast-In Device.

b. 2 Hour Construction: UL System F-A-8012; Hilti CFS-S SIL GG Firestop Silicone Sealant Gun-Grade or CFS-S SIL SL Firestop Silicone Sealant Self-Leveling.



b. 2 Hour Construction: UL System F-A-1016; Hilti CP 680-P/M Cast-In Device.



b. 2 Hour Construction: UL System F-A-3033; Hilti CP 680-P/M Cast-In Device.

D. Penetrations Through Walls By:


a. 2 Hour Construction: UL System W-J-1067; Hilti FS-ONE MAX Intumescent Firestop Sealant.

b. 1 Hour Construction: UL System W-J-1067; Hilti FS-ONE MAX Intumescent Firestop Sealant.



b. 2 Hour Construction: UL System C-AJ-3216; Hilti CFS-PL Firestop Plug.


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Project No. 19.001.02 2.04 FIRESTOPPING PENETRATIONS THROUGH GYPSUM BOARD WALLS

A. Blank Openings:

1. 2 Hour Construction: UL System W-L-3334; Hilti CP 653 Speed Sleeve.

2. 1 Hour Construction: UL System W-L-3334; Hilti CP 653 Speed Sleeve.

B. Penetrations By:


a. 2 Hour Construction: UL System W-L-1408; Hilti FS-ONE MAX IntumescentFirestop Sealant.

b. 2 Hour Construction: UL System W-L-8013; Hilti CFS-BL Firestop Block.

c. 2 Hour Construction: UL System W-L-8071; Hilti FS-ONE MAX IntumescentFirestop Sealant.

d. 2 Hour Construction: UL System W-L-8079; Hilti FS-ONE MAX IntumescentFirestop Sealant.

e. 1 Hour Construction: UL System W-L-1408; Hilti FS-ONE MAX IntumescentFirestop Sealant.

f. 1 Hour Construction: UL System W-L-8013; Hilti CFS-BL Firestop Block.

g. 1 Hour Construction: UL System W-L-8071; Hilti FS-ONE MAX IntumescentFirestop Sealant.

h. 1 Hour Construction: UL System W-L-8079; Hilti FS-ONE MAX IntumescentFirestop Sealant.


a. 2 Hour Construction: UL System W-L-1054; Hilti FS-ONE MAX IntumescentFirestop Sealant.

b. 2 Hour Construction: UL System W-L-1164; Hilti FS-ONE MAX IntumescentFirestop Sealant.

c. 2 Hour Construction: UL System W-L-1506; Hilti CFS-D Firestop Cable Disc.

d. 1 Hour Construction: UL System W-L-1054; Hilti FS-ONE MAX IntumescentFirestop Sealant.

e. 1 Hour Construction: UL System W-L-1164; Hilti FS-ONE MAX IntumescentFirestop Sealant.

f. 1 Hour Construction: UL System W-L-1506; Hilti CFS-D Firestop Cable Disc.


a. 2 Hour Construction: UL System W-L-3065; Hilti FS-ONE MAX IntumescentFirestop Sealant, CP 606 Flexible Firestop Sealant, CD 601S ElastomericFirestop Sealant, or CP 618 Firestop Putty Stick.

b. 2 Hour Construction: UL System W-L-3334; Hilti CP 653 Speed Sleeve.

c. 2 Hour Construction: UL System W-L-3393; Hilti CFS-SL RK Retrofit Sleeve Kitfor existing cables.

d. 2 Hour Construction: UL System W-L-3395; Hilti CP653 Speed Sleeve.

e. 2 Hour Construction: UL System W-L-3414; Hilti CFS-D Firestop Cable Disc.

f. 1 Hour Construction: UL System W-L-3065; Hilti FS-ONE MAX IntumescentFirestop Sealant, CP 606 Flexible Firestop Sealant, CD 601S ElastomericFirestop Sealant, or CP 618 Firestop Putty Stick.


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Project No. 19.001.02 g. 1 Hour Construction: UL System W-L-3334; Hilti CP 653 Speed Sleeve.

h. 1 Hour Construction: UL System W-L-3393; Hilti CFS-SL RK Retrofit Sleeve Kit for existing cables.

i. 1 Hour Construction: UL System W-L-3414; Hilti CFS-D Firestop Cable Disc.

2.05 FIRESTOPPING SYSTEMS A. Firestopping: Any material meeting requirements.

1. Fire Ratings: Use system that is listed by FM (AG), ITS (DIR) or UL (FRD) and tested in accordance with ASTM E814, ASTM E119 or UL 1479 with F Rating equal to fire rating of penetrated assembly and minimum T Rating Equal to F Rating and in compliance with other specified requirements.

B. Firestopping at Uninsulated Metallic Pipe and Conduit Penetrations, of diameter 4 inches ( 100 mm ) or less: Caulk or putty.

C. Firestopping at Cable Penetrations, not in Conduit or Cable Tray: Caulk or putty.

PART 3 EXECUTION 3.01 EXAMINATION

A. Verify openings are ready to receive the work of this section.

3.02 PREPARATION A. Clean substrate surfaces of dirt, dust, grease, oil, loose material, or other materials that

could adversely affect bond of firestopping material.

B. Remove incompatible materials that could adversely affect bond.

C. Install backing materials to prevent liquid material from leakage.

3.03 INSTALLATION A. Install materials in manner described in fire test report and in accordance with

manufacturer's instructions, completely closing openings.

B. Do not cover installed firestopping until inspected by authorities having jurisdiction.

C. Install labeling required by code.

3.04 FIELD QUALITY CONTROL A. Repair or replace penetration firestopping and joints at locations where inspection results

indicate firestopping or joints do not meet specified requirements.

3.05 CLEANING A. Clean adjacent surfaces of firestopping materials.

3.06 PROTECTION A. Protect adjacent surfaces from damage by material installation.

END OF SECTION


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IDENTIFICATION FOR PLUMBING PIPING AND EQUIPMENT PART 1 GENERAL 1.01 SECTION INCLUDES

A. Nameplates.

B. Tags.

C. Pipe markers.

1.02 RELATED REQUIREMENTS A. Section 09 91 23 - Interior Painting: Identification painting.

1.03 REFERENCE STANDARDS A. ASME A13.1 - Scheme for the Identification of Piping Systems 2015.

1.04 SUBMITTALS A. See Section 01 30 00 - Administrative Requirements, for submittal procedures.

B. Product Data: Provide manufacturers catalog literature for each product required.

PART 2 PRODUCTS 2.01 NAMEPLATES

A. Description: Laminated three-layer plastic with engraved letters.

2.02 TAGS 2.03 PIPE MARKERS

END OF SECTION

22 05 53 Unified Building Identification for Plumbing Piping 22 05 53 - 1Systems Engineering, LLC and Equipment

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PLUMBING PIPING INSULATION PART 2 PRODUCTS 1.01 REGULATORY REQUIREMENTS

A. Surface Burning Characteristics: Flame spread index/Smoke developed index of 25/50, maximum, when tested in accordance with ASTM E84 or UL 723.

END OF SECTION

Unified Building 22 07 19 22 07 19 - 1Systems Engineering, LLC Plumbing Piping Insulation

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Project No. 19.001.02 SECTION 22 10 05 PLUMBING PIPING

PART 1 GENERAL 1.01 SECTION INCLUDES

A. Pipe, pipe fittings, specialties, and connections for piping systems.

1. Domestic water.

2. Natural Gas

3. Flanges, unions, and couplings.

4. Pipe hangers and supports.

5. Valves.

6. Check.

7. Water pressure reducing valves.

1.02 RELATED REQUIREMENTS A. Section 22 05 53 - Identification for Plumbing Piping and Equipment.

B. Section 22 07 19 - Plumbing Piping Insulation.

1.03 REFERENCE STANDARDS A. ASME B16.3 - Malleable Iron Threaded Fittings: Classes 150 and 300 2016.

B. ASME B16.18 - Cast Copper Alloy Solder Joint Pressure Fittings 2018.

C. ASME B16.22 - Wrought Copper and Copper Alloy Solder-Joint Pressure Fittings 2018.

D. ASME B31.1 - Power Piping 2018.

E. ASME B31.9 - Building Services Piping 2017.

F. ASME BPVC-IV - Boiler and Pressure Vessel Code, Section IV - Rules for Construction of Heating Boilers 2019.

G. ASME BPVC-IX - Qualification Standard for Welding, Brazing, and Fuzing Procedures; Welders; Brazers; and Welding, Brazing, and Fusing Operators - Welding Brazing and Fusing Qualifications 2019.

H. ASSE 1003 - Performance Requirements for Water Pressure Reducing Valves for Domestic Water Distribution Systems 2009.

I. ASTM A53/A53M - Standard Specification for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded and Seamless 2018.

J. ASTM A234/A234M - Standard Specification for Piping Fittings of Wrought Carbon Steel and Alloy Steel for Moderate and High Temperature Service 2019.

K. ASTM B32 - Standard Specification for Solder Metal 2008 (Reapproved 2014).

L. ASTM B88 - Standard Specification for Seamless Copper Water Tube 2016.

M. ASTM B88M - Standard Specification for Seamless Copper Water Tube (Metric) 2018.

N. ASTM B813 - Standard Specification for Liquid and Paste Fluxes for Soldering of Copper and Copper Alloy Tube 2016.

O. ASTM B828 - Standard Practice for Making Capillary Joints by Soldering of Copper and Copper Alloy Tube and Fittings 2016.

P. ASTM D2665 - Standard Specification for Poly(Vinyl Chloride) (PVC) Plastic Drain, Waste, and Vent Pipe and Fittings 2014.

Q. AWWA C651 - Disinfecting Water Mains 2014.

Unified Building 22 10 05 22 10 05 - 1Systems Engineering, LLC Plumbing Piping

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Project No. 19.001.02 R. MSS SP-58 - Pipe Hangers and Supports - Materials, Design, Manufacture, Selection,

Application, and Installation 2018.

S. MSS SP-110 - Ball Valves Threaded, Socket-Welding, Solder Joint, Grooved and Flared Ends 2010.

1.04 SUBMITTALS A. Product Data: Provide data on pipe materials, pipe fittings, valves, and accessories. Provide

manufacturers catalog information. Indicate valve data and ratings.

B. Welder Certificate: Include welders certification of compliance with ASME BPVC-IX.

C. Sustainable Design Documentation: For soldered copper joints, submit installer's certification that the specified installation method and materials were used.

D. Project Record Documents: Record actual locations of valves.

1.05 QUALITY ASSURANCE A. Perform work in accordance with applicable codes.

B. Welding Materials and Procedures: Comply with ASME BPVC-IX and applicable state labor regulations.

C. Welder Qualifications: Certified in accordance with ASME BPVC-IX.

1.06 FIELD CONDITIONS A. Do not install underground piping when bedding is wet or frozen.

PART 2 PRODUCTS 2.01 GENERAL REQUIREMENTS

A. Potable Water Supply Systems: Provide piping, pipe fittings, and solder and flux (if used), that comply with NSF 61 and NSF 372 for maximum lead content; label pipe and fittings.

2.02 DOMESTIC WATER PIPING, ABOVE GRADE A. Copper Tube: ASTM B88 (ASTM B88M), Type L (B), Drawn (H).

1. Fittings: ASME B16.18, cast copper alloy or ASME B16.22, wrought copper and bronze.

2. Fittings: Cast iron, coated.

3. Joints: ASTM B32, alloy Sn95 solder.

4. Mechanical Press Sealed Fittings: Double pressed type, NSF 61 and NSF 372 approved or certified, utilizing EPDM, non toxic synthetic rubber sealing elements.

2.03 NATURAL GAS PIPING, ABOVE GRADE A. Steel Pipe: ASTM A53/A53M Schedule 40 black.

1. Fittings: ASME B16.3, malleable iron, or ASTM A234/A234M, wrought steel welding type.

2. Joints: Threaded or welded to ASME B31.1.

2.04 FLANGES, UNIONS, AND COUPLINGS A. Unions for Pipe Sizes 3 Inches ( 80 mm ) and Under:

1. Ferrous pipe: Class 150 malleable iron threaded unions.

2.05 PIPE HANGERS AND SUPPORTS A. Provide hangers and supports that comply with MSS SP-58.

1. If type of hanger or support for a particular situation is not indicated, select appropriate type using MSS SP-58 recommendations.


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Project No. 19.001.02 2. Overhead Supports: Individual steel rod hangers attached to structure or to trapeze

hangers.

3. Trapeze Hangers: Welded steel channel frames attached to structure.

4. Vertical Pipe Support: Steel riser clamp.

B. Plumbing Piping - Water:

1. Hangers for Pipe Sizes 1/2 Inch ( 15 mm ) to 1-1/2 Inches ( 40 mm ): Malleable iron, adjustable swivel, split ring.

2. Floor Support for Cold Pipe: Cast iron adjustable pipe saddle, lock nut, nipple, floor flange, and concrete pier or steel support.

2.06 BALL VALVES A. Manufacturers:

1. Tyco flow control: www.tycoflowcontrol.com

2. Nibco, Inc: www.nibco.com

3. Milwaukee Valve Company: www.milwaukeevalve.com

B. Construction, 4 Inches ( 100 mm ) and Smaller: MSS SP-110, Class 150, 400 psi ( 2760 kPa ) CWP, bronze body, chrome plated brass ball, regular port, teflon seats and stuffing box ring, blow-out proof stem, lever handle with balancing stops, solder ends with union.

2.07 PIPING SPECIALTIES A. Flow Controls:

1. Manufacturers:

a. ITT Bell & Gossett: www.bellgossett.com/#sle.

b. Griswold Controls: www.griswoldcontrols.com/#sle.

c. Taco, Inc: www.taco-hvac.com/#sle.

2.08 WATER PRESSURE REDUCING VALVES A. Manufacturers:

1. Tyco Flow Control: www.tycoflowcontrol.com

2. Watts Regulator Company; [______]: www.wattsregulator.com

3. ITT Bell & Gossett: www.bellgossett.com


A. Verify that excavations are to required grade, dry, and not over-excavated.

3.02 PREPARATION A. Ream pipe and tube ends. Remove burrs. Bevel plain end ferrous pipe.

B. Remove scale and dirt, on inside and outside, before assembly.

C. Prepare piping connections to equipment with flanges or unions.

3.03 INSTALLATION A. Install in accordance with manufacturer's instructions.

B. Provide non-conducting dielectric connections wherever jointing dissimilar metals.

C. Route piping in orderly manner and maintain gradient. Route parallel and perpendicular to walls.


www.bellgossett.com

www.wattsregulator.com

www.tycoflowcontrol.com

www.taco-hvac.com/#sle

www.griswoldcontrols.com/#sle

www.bellgossett.com/#sle

www.milwaukeevalve.com

www.nibco.com

www.tycoflowcontrol.com

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Project No. 19.001.02 D. Install piping to maintain headroom, conserve space, and not interfere with use of space.

E. Group piping whenever practical at common elevations.

F. Provide clearance in hangers and from structure and other equipment for installation ofinsulation and access to valves and fittings.

G. Establish elevations of buried piping outside the building to ensure not less than 4 ft ([_____] m ) of cover.

H. Where pipe support members are welded to structural building framing, scrape, brushclean, and apply one coat of zinc rich primer to welding.

I. Install valves with stems upright or horizontal, not inverted. Refer to Section 22 05 23.

J. Copper Pipe and Tube: Make soldered joints in accordance with ASTM B828, usingspecified solder, and flux meeting ASTM B813; in potable water systems use flux alsocomplying with NSF 61 and NSF 372.

K. Sleeve pipes passing through partitions, walls and floors.

L. Inserts:

1. Provide inserts for placement in concrete formwork.

2. Provide inserts for suspending hangers from reinforced concrete slabs and sides ofreinforced concrete beams.

3. Provide hooked rod to concrete reinforcement section for inserts carrying pipe over 4inches ( 100 mm ).

4. Where concrete slabs form finished ceiling, locate inserts flush with slab surface.

5. Where inserts are omitted, drill through concrete slab from below and provide through-bolt with recessed square steel plate and nut above slab.

M. Pipe Hangers and Supports:

1. Install in accordance with ASME B31.9.

2. Support horizontal piping as indicated.

3. Install hangers to provide minimum 1/2 inch ( 15 mm ) space between finishedcovering and adjacent work.

4. Place hangers within 12 inches ( 300 mm ) of each horizontal elbow.

5. Use hangers with 1-1/2 inch ( 40 mm ) minimum vertical adjustment. Design hangersfor pipe movement without disengagement of supported pipe.

6. Support vertical piping at every other floor. Support riser piping independently ofconnected horizontal piping.

7. Where several pipes can be installed in parallel and at same elevation, providemultiple or trapeze hangers.

8. Provide copper plated hangers and supports for copper piping.

9. Prime coat exposed steel hangers and supports. Hangers and supports located incrawl spaces, pipe shafts, and suspended ceiling spaces are not considered exposed.

10. Support cast iron drainage piping at every joint.

3.04 APPLICATION A. Install unions downstream of valves and at equipment or apparatus connections.

B. Install brass male adapters each side of valves in copper piped system. Solder adapters topipe.

C. Install ball valves for shut-off and to isolate equipment, part of systems, or vertical risers.


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Project No. 19.001.02 D. Install globe valves for throttling, bypass, or manual flow control services.

3.05 TOLERANCES A. Drainage Piping: Establish invert elevations within 1/2 inch ( 10 mm ) vertically of location

indicated and slope to drain at minimum of 1/8 inch per foot ( 1:100 ) slope.

B. Water Piping: Slope at minimum of 1/32 inch per foot ( 1:400 ) and arrange to drain at lowpoints.

3.06 DISINFECTION OF DOMESTIC WATER PIPING SYSTEM A. Prior to starting work, verify system is complete, flushed and clean.

B. Ensure acidity (pH) of water to be treated is between 7.4 and 7.6 by adding alkali (causticsoda or soda ash) or acid (hydrochloric).

C. Inject disinfectant, free chlorine in liquid, powder, tablet or gas form, throughout system toobtain 50 to 80 mg/L residual.

D. Bleed water from outlets to ensure distribution and test for disinfectant residual at minimum15 percent of outlets.

E. Maintain disinfectant in system for 24 hours.

F. If final disinfectant residual tests less than 25 mg/L, repeat treatment.

G. Flush disinfectant from system until residual equal to that of incoming water or 1.0 mg/L.

H. Take samples no sooner than 24 hours after flushing, from 10 percent of outlets and fromwater entry, and analyze in accordance with AWWA C651.

3.07 SCHEDULES A. Pipe Hanger Spacing:

1. Metal Piping:

a. Pipe Size: 1/2 inches ( 15 mm ) to 1-1/4 inches ( 32 mm ):

1) Maximum Hanger Spacing: 6.5 ft ( 2 m ).

2) Hanger Rod Diameter: 3/8 inches ( 9 mm ).

END OF SECTION


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PLUMBING PIPING SPECIALTIES PART 1 GENERAL 1.01 SECTION INCLUDES

A. Back water valves.

B. Backflow preventers.

C. Double check valve assemblies.

1.02 RELATED REQUIREMENTS A. Section 22 10 05 - Plumbing Piping.

1.03 REFERENCE STANDARDS A. ASSE 1012 - Performance Requirements for Backflow Preventers with an Intermediate

Atmospheric Vent 2009.

B. ASSE 1013 - Performance Requirements for Reduced Pressure Principle Backflow Preventers and Reduced Pressure Principle Fire Protection Backflow Preventers 2011.

C. NSF 61 - Drinking Water System Components - Health Effects 2019.

D. NSF 372 - Drinking Water System Components - Lead Content 2016.

1.04 SUBMITTALS A. Product Data: Provide component sizes, rough-in requirements, service sizes, and finishes.

PART 2 PRODUCTS 2.01 GENERAL REQUIREMENTS

A. Specialties in Potable Water Supply Systems: Provide products that comply with NSF 61 and NSF 372 for maximum lead content.

2.02 BACKFLOW PREVENTERS A. Manufacturers:

1. Apollo Valves: www.apollovalves.com

2. Watts Regulator Company, a part of Watts Water Technologies: www.wattsregulator.com/

3. Zurn Industries, LLC: www.zurn.com

2.03 DOUBLE CHECK VALVE ASSEMBLIES A. Manufacturers:

1. Apollo Valves; [______]: www.apollovalves.com

2. Watts Regulator Company, a part of Watts Water Technologies; [______]: www.wattsregulator.com

3. Zurn Industries, LLC; [______]: www.zurn.com/

B. Double Check Valve Assemblies:

1. ASSE 1012; Bronze body with corrosion resistant internal parts and stainless steel springs; two independently operating check valves with intermediate atmospheric vent.

PART 3 EXECUTION 3.01 INSTALLATION

A. Install in accordance with manufacturer's instructions.

Unified Building 22 10 06 22 10 06 - 1Systems Engineering, LLC Plumbing Piping Specialties

www.zurn.com


www.apollovalves.com

www.zurn.com



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Project No. 19.001.02 B. Install approved potable water protection devices on plumbing lines where contamination of

domestic water may occur; on boiler feed water lines, janitor rooms, fire sprinkler systems, premise isolation, irrigation systems, flush valves, interior and exterior hose bibbs.

C. Pipe relief from backflow preventer to nearest drain.

END OF SECTION

Unified Building 22 10 06 22 10 06 - 2Systems Engineering, LLC Plumbing Piping Specialties

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GENERAL HVAC REQUIREMENTS PART 1 GENERAL 1.01 SECTION INCLUDES PART 2 PRODUCTS

END OF SECTION

Unified Building 23 00 01 23 00 01 - 1Systems Engineering, LLC General HVAC Requirements



EXPANSION FITTINGS AND LOOPS FOR HVAC PIPING PART 1 GENERAL 1.01 SECTION INCLUDES

A. Flexible pipe connectors.

B. Pipe loops, offsets, and swing joints.

1.02 RELATED REQUIREMENTS A. Section 23 21 13 - Hydronic Piping.

1.03 REFERENCE STANDARDS A. ASME B16.5 - Pipe Flanges and Flanged Fittings NPS 1/2 Through NPS 24 Metric/Inch

Standard 2017.

B. ASTM A269/A269M - Standard Specification for Seamless and Welded Austenitic Stainless Steel Tubing for General Service 2015a (Reapproved 2019).

C. ASTM A536 - Standard Specification for Ductile Iron Castings 1984 (Reapproved 2014).

1.04 SUBMITTALS A. Product Data:

1. Flexible Pipe Connectors: Indicate maximum temperature and pressure rating, face-to-face length, live length, hose wall thickness, hose convolutions per foot ( meter ) and per assembly, fundamental frequency of assembly, braid structure, and total number of wires in braid.

PART 2 PRODUCTS 2.01 FLEXIBLE PIPE CONNECTORS - STEEL PIPING

A. Manufacturers:

1. The Metraflex Company: www.metraflex.com

B. Inner Hose: Bronze.

C. Exterior Sleeve: Double braided, stainless steel.

D. Pressure Rating: 125 psi and 450 degrees F ( 862 kPa and 232 degrees C ).

E. Joint: Flanged.

F. Size: Use pipe sized units.

2.02 FLEXIBLE PIPE CONNECTORS - COPPER PIPING A. Manufacturer:

1. The Metraflex Company: www.metraflex.com

B. Inner Hose: Bronze.

C. Exterior Sleeve: Braided bronze.

D. Pressure Rating: 125 psi and 450 degrees F ( 862 kPa and 232 degrees C ).

E. Joint: Flanged.

F. Size: Use pipe sized units.



23 05 16 Unified Building Expansion Fittings and Loops for 23 05 16 - 1Systems Engineering, LLC HVAC Piping

www.metraflex.com

www.metraflex.com

https://19.001.02


Project No. 19.001.02 B. Install flexible connectors at right angles to displacement. Install one end immediately

adjacent to isolated equipment and anchor other end. Install in horizontal plane unless indicated otherwise.

C. Provide support and equipment required to control expansion and contraction of piping. Provide loops, pipe offsets, and swing joints, or expansion joints where required.

D. Substitute grooved piping for vibration isolated equipment instead of flexible connectors. Grooved piping need not be anchored.

END OF SECTION

23 05 16 Unified Building Expansion Fittings and Loops for 23 05 16 - 2Systems Engineering, LLC HVAC Piping

https://19.001.02



METERS AND GAUGES FOR HVAC PIPING PART 1 GENERAL 1.01 SECTION INCLUDES

A. Pressure gauges and pressure gauge taps.

B. Thermometers and thermometer wells.


1.03 REFERENCE STANDARDS A. ASME B40.100 - Pressure Gauges and Gauge Attachments 2013.

B. ASTM E1 - Standard Specification for ASTM Liquid-in-Glass Thermometers 2014.

C. ASTM E77 - Standard Test Method for Inspection and Verification of Thermometers 2014, with Editorial Revision (2017).

D. UL 393 - Indicating Pressure Gauges for Fire-Protection Service Current Edition, Including All Revisions.

1.04 SUBMITTALS A. Product Data: Provide list that indicates use, operating range, total range and location for

manufactured components.

PART 2 PRODUCTS 2.01 PRESSURE GAUGES

A. Manufacturers:

1. Dwyer Instruments, Inc: www.dwyer-inst.com

2. Moeller Instrument Company, Inc: www.moellerinstrument.com

3. Omega Engineering, Inc: www.omega.com

B. Pressure Gauges: ASME B40.100, UL 393 drawn steel case, phosphor bronze bourdon tube, rotary brass movement, brass socket, with front recalibration adjustment, black scale on white background.

1. Case: Steel with brass bourdon tube.

2. Size: 4-1/2 inch ( 115 mm ) diameter.

3. Mid-Scale Accuracy: One percent.

4. Scale: Psi.

2.02 PRESSURE GAUGE TAPPINGS A. Gauge Cock: Tee or lever handle, brass for maximum 150 psi ( 1034 kPa ).

B. Needle Valve: Brass, 1/4 inch ( 6 mm ) NPT for minimum 150 psi ( 1034 kPa ).

C. Pulsation Damper: Pressure snubber, brass with 1/4 inch ( 6 mm ) connections.

D. Syphon: Steel, Schedule 40, 1/4 inch ( 6 mm ) angle or straight pattern.

2.03 STEM TYPE THERMOMETERS A. Manufacturers:

1. Dwyer Instruments, Inc: www.dwyer-inst.com

2. Omega Engineering, Inc: www.omega.com

23 05 19 Unified Building Meters and Gauges for HVAC 23 05 19 - 1Systems Engineering, LLC Piping

www.omega.com

www.dwyer-inst.com

www.omega.com

www.moellerinstrument.com

www.dwyer-inst.com

https://19.001.02


Project No. 19.001.02 3. Weksler Glass Thermometer Corp: www.wekslerglass.com

B. Thermometers - Adjustable Angle: Red- or blue-appearing non-toxic liquid in glass; ASTM E1; lens front tube, cast aluminum case with enamel finish, cast aluminum adjustable joint with positive locking device; adjustable 360 degrees in horizontal plane, 180 degrees in vertical plane.

1. Size: 12 inch ( 300 mm ) scale.

2. Window: Clear Lexan.

3. Stem: 3/4 inch ( 20 mm ) NPT brass.

4. Accuracy: 2 percent, per ASTM E77.

5. Calibration: Degrees F.

2.04 THERMOMETER SUPPORTS A. Socket: Brass separable sockets for thermometer stems with or without extensions as

required, and with cap and chain.

B. Flange: 3 inch ( 75 mm ) outside diameter reversible flange, designed to fasten to sheet metal air ducts, with brass perforated stem.

2.05 TEST PLUGS A. Test Plug: 1/4 inch ( 6 mm ) or 1/2 inch ( 13 mm ) brass fitting and cap for receiving 1/8 inch

( 3 mm ) outside diameter pressure or temperature probe with neoprene core for temperatures up to 200 degrees F ( 93 degrees C ).

B. Test Kit: Carrying case, internally padded and fitted containing one 2-1/2 inch ( 60 mm ) diameter pressure gauges, one gauge adapters with 1/8 inch ( 3 mm ) probes, two 1 inch ( 25 mm ) dial thermometers.



B. Provide one pressure gauge per pump, installing taps before strainers and on suction and discharge of pump. Pipe to gauge.

C. Install pressure gauges with pulsation dampers. Provide gauge cock to isolate each gauge. Provide siphon on gauges in steam systems. Extend nipples and siphons to allow clearance from insulation.

D. Install thermometers in piping systems in sockets in short couplings. Enlarge pipes smaller than 2-1/2 inch ( 60 mm ) for installation of thermometer sockets. Ensure sockets allow clearance from insulation.

E. Install thermometer sockets adjacent to controls system thermostat, transmitter, or sensor sockets. Refer to Section 23 09 43. Where thermometers are provided on local panels, duct or pipe mounted thermometers are not required.

F. Provide instruments with scale ranges selected according to service with largest appropriate scale.

G. Install gauges and thermometers in locations where they are easily read from normal operating level. Install vertical to 45 degrees off vertical.

H. Adjust gauges and thermometers to final angle, clean windows and lenses, and calibrate to zero.

I. Locate test plugs adjacent thermometers and thermometer sockets.

END OF SECTION

23 05 19 Unified Building Meters and Gauges for HVAC 23 05 19 - 2Systems Engineering, LLC Piping

www.wekslerglass.com

https://19.001.02



IDENTIFICATION FOR HVAC PIPING AND EQUIPMENT PART 1 GENERAL 1.01 SECTION INCLUDES

A. Nameplates.

B. Tags.

C. Stencils.

D. Pipe markers.

1.02 REFERENCE STANDARDS 1.03 SUBMITTALS

A. See Section 01 30 00 - Administrative Requirements for submittal procedures.

B. List: Submit list of wording, symbols, letter size, and color coding for mechanical identification.

C. Chart and Schedule: Submit valve chart and schedule, including valve tag number, location, function, and valve manufacturer's name and model number.

D. Product Data: Provide manufacturers catalog literature for each product required.

PART 2 PRODUCTS 2.01 IDENTIFICATION APPLICATIONS

A. Heat Transfer Equipment: Nameplates.

B. Piping: Pipe markers.

C. Pumps: Nameplates.

D. Tanks: Nameplates.

2.02 NAMEPLATES A. Manufacturers:

1. Brady Corporation: www.bradycorp.com

2. Champion America, Inc. www.champion-america.com

3. Seton Identification Products, a Tricor Direct Company: www.seton.com

B. Letter Color: White.

C. Letter Height: 1/4 inch ( 6 mm ).

D. Background Color: Black.

2.03 TAGS A. Manufacturers:



3. Seton Identification Products, a Tricor Direct Company[<>]: www.seton.com

B. Plastic Tags: Laminated three-layer plastic with engraved black letters on light contrasting background color. Tag size minimum 1-1/2 inch ( 40 mm ) diameter.

C. Metal Tags: Brass with stamped letters; tag size minimum 1-1/2 inch ( 40 mm ) diameter with smooth edges.

D. Valve Tag Chart: Typewritten letter size list in anodized aluminum frame.

23 05 53 Unified Building Identification for HVAC Piping 23 05 53 - 1Systems Engineering, LLC and Equipment

www.seton.com

www.champion-america.com

www.bradycorp.com

www.seton.com


www.bradycorp.com

https://19.001.02


Project No. 19.001.02 2.04 STENCILS

A. Manufacturers:




B. Stencils: With clean cut symbols and letters of following size:

2.05 PIPE MARKERS A. Manufacturers:




B. Color: Comply with ASME A13.1.

C. Plastic Pipe Markers: Factory fabricated, flexible, semi- rigid plastic, preformed to fit around pipe or pipe covering; minimum information indicating flow direction arrow and identification of fluid being conveyed.

D. Underground Plastic Pipe Markers: Bright colored continuously printed plastic ribbon tape, minimum 6 inches ( 150 mm ) wide by 4 mil ( 0.10 mm ) thick, manufactured for direct burial service.

E. Color code as follows:

1. Heating, Cooling, and Boiler Feedwater: Green with white letters.

PART 3 EXECUTION 3.01 PREPARATION

A. Degrease and clean surfaces to receive adhesive for identification materials.

3.02 INSTALLATION A. Install nameplates with corrosive-resistant mechanical fasteners, or adhesive. Apply with

sufficient adhesive to ensure permanent adhesion and seal with clear lacquer.

B. Install tags with corrosion resistant chain.

C. Install plastic pipe markers in accordance with manufacturer's instructions.

D. Install plastic tape pipe markers complete around pipe in accordance with manufacturer's instructions.

E. Use tags on piping 3/4 inch ( 20 mm ) diameter and smaller.

1. Identify service, flow direction, and pressure.

END OF SECTION

23 05 53 Unified Building Identification for HVAC Piping 23 05 53 - 2Systems Engineering, LLC and Equipment

www.seton.com


www.bradycorp.com


www.bradycorp.com

www.seton.com

https://19.001.02



TESTING, ADJUSTING, AND BALANCING FOR HVAC PART 1 GENERAL 1.01 SECTION INCLUDES

A. Testing, adjustment, and balancing of hydronic systems.

B. Measurement of final operating condition of HVAC systems.

1.02 RELATED REQUIREMENTS A. Section 01 91 13 - General Commissioning Requirements: Commissioning requirements

that apply to all types of work.

1.03 REFERENCE STANDARDS A. AABC (NSTSB) - AABC National Standards for Total System Balance, 7th Edition 2016.

B. ASHRAE Std 111 - Measurement, Testing, Adjusting, and Balancing of Building HVAC Systems 2008 (Reaffirmed 2017).

C. NEBB (TAB) - Procedural Standards for Testing Adjusting and Balancing of Environmental Systems 2015, with Errata (2017).

D. SMACNA (TAB) - HVAC Systems Testing, Adjusting and Balancing 2002.

1.04 SUBMITTALS A. See Section 01 30 00 - Administrative Requirements, for submittal procedures.

B. TAB Plan: Submit a written plan indicating the testing, adjusting, and balancing standard to be followed and the specific approach for each system and component.

1. Include at least the following in the plan:

a. List of all air flow, water flow, sound level, system capacity and efficiency measurements to be performed and a description of specific test procedures, parameters, formulas to be used.

b. Copy of field checkout sheets and logs to be used, listing each piece of equipment to be tested, adjusted and balanced with the data cells to be gathered for each.

c. Discussion of what notations and markings will be made on the duct and piping drawings during the process.

d. Final test report forms to be used.

e. Details of how TOTAL flow will be determined; for example:

1) Water: Pump curves, circuit setter, flow station, ultrasonic, etc.

f. Specific procedures that will ensure that both air and water side are operating at the lowest possible pressures and methods to verify this.

g. Procedures for formal deficiency reports, including scope, frequency and distribution.

C. Final Report: Indicate deficiencies in systems that would prevent proper testing, adjusting, and balancing of systems and equipment to achieve specified performance.

1. Revise TAB plan to reflect actual procedures and submit as part of final report.

2. Submit draft copies of report for review prior to final acceptance of Project. Provide final copies for Architect and for inclusion in operating and maintenance manuals.

3. Include actual instrument list, with manufacturer name, serial number, and date of calibration.

23 05 93 Unified Building Testing, Adjusting, and Balancing 23 05 93 - 1Systems Engineering, LLC for HVAC

https://19.001.02


Project No. 19.001.02 4. Form of Test Reports: Where the TAB standard being followed recommends a report

format use that; otherwise, follow ASHRAE Std 111.

5. Units of Measure: Report data in I-P (inch-pound) units only.

6. Include the following on the title page of each report:

a. Name of Testing, Adjusting, and Balancing Agency.

b. Address of Testing, Adjusting, and Balancing Agency.

c. Telephone number of Testing, Adjusting, and Balancing Agency.

d. Project name.

e. Project location.

f. Report date.

D. Project Record Documents: Record actual locations of flow measuring stations and balancing valves and rough setting.

PART 2 PRODUCTS - NOT USED PART 3 EXECUTION 3.01 GENERAL REQUIREMENTS

A. Perform total system balance in accordance with one of the following:

1. AABC (NSTSB), AABC National Standards for Total System Balance.

2. ASHRAE Std 111, Practices for Measurement, Testing, Adjusting and Balancing of Building Heating, Ventilation, Air-Conditioning, and Refrigeration Systems.

3. SMACNA (TAB).

B. Begin work after completion of systems to be tested, adjusted, or balanced and complete work prior to Substantial Completion of the project.

C. Where HVAC systems and/or components interface with life safety systems, including fire and smoke detection, alarm, and control, coordinate scheduling and testing and inspection procedures with the authorities having jurisdiction.

D. TAB Agency Qualifications:

1. Company specializing in the testing, adjusting, and balancing of systems specified in this section.

2. Certified by one of the following:

a. AABC, Associated Air Balance Council: www.aabc.com/#sle; upon completion submit AABC National Performance Guaranty.

b. NEBB, National Environmental Balancing Bureau: www.nebb.org/#sle.

c. TABB, The Testing, Adjusting, and Balancing Bureau of National Energy Management Institute: www.tabbcertified.org/#sle.

E. TAB Supervisor and Technician Qualifications: Certified by same organization as TAB agency.

3.02 EXAMINATION A. Verify that systems are complete and operable before commencing work. Ensure the

following conditions:

1. Systems are started and operating in a safe and normal condition.

2. Temperature control systems are installed complete and operable.

3. Proper thermal overload protection is in place for electrical equipment. 23 05 93 Unified Building Testing, Adjusting, and Balancing 23 05 93 - 2Systems Engineering, LLC for HVAC

www.tabbcertified.org/#sle

www.nebb.org/#sle

www.aabc.com/#sle

https://19.001.02


Project No. 19.001.02 4. Air coil fins are cleaned and combed.

5. Hydronic systems are flushed, filled, and vented.

6. Pumps are rotating correctly.

7. Proper strainer baskets are clean and in place.

8. Service and balance valves are open.

B. Beginning of work means acceptance of existing conditions.

3.03 ADJUSTMENT TOLERANCES A. Hydronic Systems: Adjust to within plus or minus 10 percent of design.

3.04 RECORDING AND ADJUSTING A. Ensure recorded data represents actual measured or observed conditions.

B. Permanently mark settings of valves, dampers, and other adjustment devices allowing settings to be restored. Set and lock memory stops.

C. Mark on drawings the locations where traverse and other critical measurements were taken and cross reference the location in the final report.

D. After adjustment, take measurements to verify balance has not been disrupted or that such disruption has been rectified.

E. Leave systems in proper working order, replacing belt guards, closing access doors, closing doors to electrical switch boxes, and restoring thermostats to specified settings.

3.05 WATER SYSTEM PROCEDURE A. Adjust water systems to provide required or design quantities.

B. Use calibrated Venturi tubes, orifices, or other metered fittings and pressure gages to determine flow rates for system balance. Where flow metering devices are not installed, base flow balance on temperature difference across various heat transfer elements in the system.

C. Adjust systems to provide specified pressure drops and flows through heat transfer elements prior to thermal testing. Perform balancing by measurement of temperature differential in conjunction with air balancing.

D. Effect system balance with automatic control valves fully open to heat transfer elements.

E. Effect adjustment of water distribution systems by means of balancing cocks, valves, and fittings. Do not use service or shut-off valves for balancing unless indexed for balance point.

F. Where available pump capacity is less than total flow requirements or individual system parts, full flow in one part may be simulated by temporary restriction of flow to other parts.

3.06 SCOPE A. Test, adjust, and balance the following:

1. HVAC Pumps.

2. Water Tube Boilers.

3. Air Coils.

4. Air Terminal Units.

3.07 MINIMUM DATA TO BE REPORTED A. Pumps:

1. Identification/number.

2. Manufacturer. 23 05 93 Unified Building Testing, Adjusting, and Balancing 23 05 93 - 3Systems Engineering, LLC for HVAC

https://19.001.02


Project No. 19.001.02 3. Size/model.

4. Impeller.

5. Service.

6. Design flow rate, pressure drop, BHP.

7. Actual flow rate, pressure drop, BHP.

8. Discharge pressure.

9. Suction pressure.

10. Total operating head pressure.

11. Shut off, discharge and suction pressures.

12. Shut off, total head pressure.

B. Combustion Equipment:

1. Boiler manufacturer.

2. Model number.

3. Serial number.

4. Firing rate.

5. Heat input.

6. Burner manifold gas pressure.

7. Ambient temperature.

8. Heat output.

C. Heating Coils:


2. Location.

3. Service.

4. Manufacturer.

5. Air flow, design and actual.

6. Water flow, design and actual.

7. Water pressure drop, design and actual.

8. Entering water temperature, design and actual.

9. Leaving water temperature, design and actual.

10. Entering air temperature, design and actual.

11. Leaving air temperature, design and actual.

12. Air pressure drop, design and actual.

D. Terminal Unit Data:

1. Manufacturer.

2. Type, constant, variable, single, dual duct.


4. Location.

5. Model number.

6. Size. 23 05 93 Unified Building Testing, Adjusting, and Balancing 23 05 93 - 4Systems Engineering, LLC for HVAC

https://19.001.02


Project No. 19.001.02 END OF SECTION

23 05 93 Unified Building Testing, Adjusting, and Balancing 23 05 93 - 5Systems Engineering, LLC for HVAC

https://19.001.02


Project No. 19.001.02 SECTION 23 07 13 DUCT INSULATION

PART 2 PRODUCTS 1.01 REGULATORY REQUIREMENTS


END OF SECTION

Unified Building 23 07 13 23 07 13 - 1Systems Engineering, LLC Duct Insulation

https://19.001.02



HVAC PIPING INSULATION PART 1 GENERAL 1.01 SECTION INCLUDES

A. Piping insulation.

B. Flexible removable and reusable blanket insulation.

C. Jackets and accessories.

1.02 RELATED REQUIREMENTS A. Section 07 84 00 - Firestopping.

B. Section 23 21 13 - Hydronic Piping: Placement of hangers and hanger inserts.

1.03 REFERENCE STANDARDS A. ASTM B209 - Standard Specification for Aluminum and Aluminum-Alloy Sheet and Plate

2014.

B. ASTM B209M - Standard Specification for Aluminum and Aluminum-Alloy Sheet and Plate (Metric) 2014.

C. ASTM C177 - Standard Test Method for Steady-State Heat Flux Measurements and Thermal Transmission Properties by Means of the Guarded-Hot-Plate Apparatus 2019.

D. ASTM C195 - Standard Specification for Mineral Fiber Thermal Insulating Cement 2007 (Reapproved 2013).

E. ASTM C449 - Standard Specification for Mineral Fiber Hydraulic-Setting Thermal Insulating and Finishing Cement 2007 (Reapproved 2013).

F. ASTM C518 - Standard Test Method for Steady-State Thermal Transmission Properties by Means of the Heat Flow Meter Apparatus 2017.

G. ASTM C533 - Standard Specification for Calcium Silicate Block and Pipe Thermal Insulation 2017.

H. ASTM C547 - Standard Specification for Mineral Fiber Pipe Insulation 2019.

I. ASTM C585 - Standard Practice for Inner and Outer Diameters of Thermal Insulation for Nominal Sizes of Pipe and Tubing 2010 (Reapproved 2016).

J. ASTM C591 - Standard Specification for Unfaced Preformed Rigid Cellular Polyisocyanurate Thermal Insulation 2019a.

K. ASTM C795 - Standard Specification for Thermal Insulation for Use in Contact with Austenitic Stainless Steel 2008 (Reapproved 2018).

L. ASTM D2842 - Standard Test Method for Water Absorption of Rigid Cellular Plastics 2019.

M. ASTM E84 - Standard Test Method for Surface Burning Characteristics of Building Materials 2019b.

N. ASTM E96/E96M - Standard Test Methods for Water Vapor Transmission of Materials 2016.

O. UL 723 - Standard for Test for Surface Burning Characteristics of Building Materials Current Edition, Including All Revisions.

1.04 SUBMITTALS A. Product Data: Provide product description, thermal characteristics, list of materials and

thickness for each service, and locations.

Unified Building 23 07 19 23 07 19 - 1Systems Engineering, LLC HVAC Piping Insulation

https://19.001.02


Project No. 19.001.02 B. Manufacturer's Instructions: Indicate installation procedures that ensure acceptable

workmanship and installation standards will be achieved.

1.05 QUALITY ASSURANCE A. Manufacturer Qualifications: Company specializing in manufacturing the Products specified

in this section with not less than three years of documented experience.

PART 2 PRODUCTS 2.01 REGULATORY REQUIREMENTS


2.02 GLASS FIBER A. Manufacturers:

1. CertainTeed Corporation: www.certainteed.com

2. Knauf Insulation; Earthwool 1000 Degree Pipe Insulation: www.knaufinsulation.com/#sle.

3. Owens Corning Corporation: www.ocbuildingspec.com

B. Insulation: ASTM C547 and ASTM C795; rigid molded, noncombustible.

1. K ( Ksi ) Value: ASTM C177, 0.24 at 75 degrees F ( 0.035 at 24 degrees C ).

2. Maximum Service Temperature: 850 degrees F ( 454 degrees C ).

3. Maximum Moisture Absorption: 0.2 percent by volume.

C. Tie Wire: 0.048 inch ( 1.22 mm ) stainless steel with twisted ends on maximum 12 inch ( 300 mm ) centers.

D. Insulating Cement/Mastic: ASTM C195; hydraulic setting on mineral wool.

E. Indoor Vapor Barrier Finish:

1. Vinyl emulsion type acrylic, compatible with insulation, black color.

2.03 HYDROUS CALCIUM SILICATE A. Insulation: ASTM C533 and ASTM C795; rigid molded, asbestos free, gold color.

1. K ( Ksi ) Value: 0.40 at 300 degrees F ( 0.057 at 149 degrees C ), when tested in accordance with ASTM C177 or ASTM C518.


3. Density: 15 lb/cu ft ( 240 kg/cu m ).

B. Tie Wire: 0.048 inch ( 1.22 mm ) stainless steel with twisted ends on maximum 12 inch ( 300 mm ) centers.

C. Insulating Cement: ASTM C449.

2.04 POLYISOCYANURATE CELLULAR PLASTIC A. Insulation Material: ASTM C591, rigid molded modified polyisocyanurate cellular plastic.

1. Dimension: Comply with requirements of ASTM C585.

2. K ( Ksi ) Value: 0.18 at 75 degrees F ( 0.026 at 24 degrees C ), when tested in accordance with ASTM C518.

3. Minimum Service Temperature: Minus 70 degrees F ( Minus 57 degrees C ).



www.ocbuildingspec.com

www.knaufinsulation.com/#sle

www.certainteed.com

https://19.001.02


Project No. 19.001.02 5. Water Absorption: 0.5 percent by volume, maximum, when tested in accordance with

ASTM D2842.

6. Moisture Vapor Transmission: 4.0 perm inch ( 5.8 ng/Pa s m ).

7. Connection: Waterproof vapor barrier adhesive.

2.05 JACKETS A. PVC Plastic.

1. Jacket: One piece molded type fitting covers and sheet material, off-white color.

a. Minimum Service Temperature: 0 degrees F ( minus 18 degrees C ).

b. Maximum Service Temperature: 150 degrees F ( 66 degrees C ).

c. Moisture Vapor Permeability: 0.002 perm inch ( 0.0029 ng/Pa s m ), maximum, when tested in accordance with ASTM E96/E96M.

d. Thickness: 10 mil ( 0.25 mm ).

e. Connections: Brush on welding adhesive.

2. Covering Adhesive Mastic: Compatible with insulation.

B. Aluminum Jacket: ASTM B209 (ASTM B209M) formed aluminum sheet.

1. Thickness: 0.016 inch ( 0.40 mm ) sheet.

2. Finish: Smooth.

3. Joining: Longitudinal slip joints and 2 inch ( 50 mm ) laps.

4. Fittings: 0.016 inch ( 0.4 mm ) thick die shaped fitting covers with factory attached protective liner.


A. Verify that piping has been tested before applying insulation materials.

B. Verify that surfaces are clean and dry, with foreign material removed.


B. Install in accordance with NAIMA National Insulation Standards.

C. Exposed Piping: Locate insulation and cover seams in least visible locations.

D. Insulated pipes conveying fluids below ambient temperature; insulate entire system including fittings, valves, unions, flanges, strainers, flexible connections, pump bodies, and expansion joints.

E. Glass fiber insulated pipes conveying fluids below ambient temperature:

1. Provide vapor barrier jackets, factory-applied or field-applied; secure with self-sealing longitudinal laps and butt strips with pressure sensitive adhesive. Secure with outward clinch expanding staples and vapor barrier mastic.

2. Insulate fittings, joints, and valves with molded insulation of like material and thickness as adjacent pipe. Finish with glass cloth and vapor barrier adhesive or PVC fitting covers.

F. For hot piping conveying fluids 140 degrees F ( 60 degrees C ) or less, do not insulate flanges and unions at equipment, but bevel and seal ends of insulation.

G. For hot piping conveying fluids over 140 degrees F ( 60 degrees C ), insulate flanges and unions at equipment.


https://19.001.02


Project No. 19.001.02 H. Glass fiber insulated pipes conveying fluids above ambient temperature.

1. Provide standard jackets, with or without vapor barrier, factory-applied or field-applied. Secure with self-sealing longitudinal laps and butt strips with pressure sensitive adhesive. Secure with outward clinch expanding staples.

2. Insulate fittings, joints, and valves with insulation of like material and thickness as adjoining pipe. Finish with glass cloth and adhesive or PVC fitting covers.

I. Inserts and Shields:

1. Application: Piping 2 inches ( 50 mm ) diameter or larger.

2. Shields: Galvanized steel between pipe hangers or pipe hanger rolls and inserts.

3. Insert location: Between support shield and piping and under the finish jacket.

4. Insert Configuration: Minimum 6 inches ( 150 mm ) long, of same thickness and contour as adjoining insulation; may be factory fabricated.

5. Insert Material: Hydrous calcium silicate insulation or other heavy density insulating material suitable for the planned temperature range.

J. Continue insulation through walls, sleeves, pipe hangers, and other pipe penetrations. Finish at supports, protrusions, and interruptions. At fire separations, refer to Section 07 84 00.

K. Exterior Applications: Provide vapor barrier jacket. Insulate fittings, joints, and valves with insulation of like material and thickness as adjoining pipe, and finish with glass mesh reinforced vapor barrier cement. Cover with aluminum jacket with seams located on bottom side of horizontal piping. Provide two coats of UV resistant finish for flexible elastomeric cellular insulation without jacketing.

3.03 SCHEDULE A. Heating Systems:

1. Heating Water Supply and Return:

END OF SECTION


https://19.001.02



INSTRUMENTATION AND CONTROL DEVICES FOR HVAC PART 2 PRODUCTS 1.01 EQUIPMENT - GENERAL

A. Products Requiring Electrical Connection: Listed and classified by Underwriters Laboratories Inc., as suitable for the purpose specified and indicated.

END OF SECTION

23 09 13 Unified Building Instrumentation and Control 23 09 13 - 1Systems Engineering, LLC Devices for HVAC

https://19.001.02



DIRECT-DIGITAL CONTROL SYSTEM FOR HVAC PART 1 GENERAL 1.01 SECTION INCLUDES

A. System description.

B. Operator interface.

C. Controllers.

D. Power supplies and line filtering.

E. System software.

F. Controller software.

G. HVAC control programs.

1.02 RELATED REQUIREMENTS A. Section 23 09 13 - Instrumentation and Control Devices for HVAC.

B. Section 23 09 93 - Sequence of Operations for HVAC Controls.

C. Section 26 05 83 - Wiring Connections: Electrical characteristics and wiring connections.

1.03 REFERENCE STANDARDS A. ASHRAE Std 135 - A Data Communication Protocol for Building Automation and Control

Networks 2016, with Editorial Revison (2019).

B. CTA-709.1 - Control Network Protocol Specification Revision D, 2014.

C. MIL-STD-810 - Environmental Engineering Considerations and Laboratory Tests 2019h.

D. Modbus (PS) - The Modbus Organization Communications Protocol. Latest Update.

E. NFPA 70 - National Electrical Code Most Recent Edition Adopted by Authority Having Jurisdiction, Including All Applicable Amendments and Supplements.

1.04 ADMINISTRATIVE REQUIREMENTS A. Preinstallation Meeting: Conduct a preinstallation meeting one week prior to the start of the

work of this section; require attendance by all affected installers.

1.05 SUBMITTALS A. Product Data: Provide data for each system component and software module.

B. Shop Drawings:

1. Indicate trunk cable schematic showing programmable control unit locations, and trunk data conductors.

2. Indicate system graphics indicating monitored systems, data (connected and calculated) point addresses, and operator notations. Provide demonstration digital media containing graphics.

3. Show system configuration with peripheral devices, batteries, power supplies, diagrams, modems, and interconnections.

4. Indicate description and sequence of operation of operating, user, and application software.

1.06 QUALITY ASSURANCE A. Perform work in accordance with NFPA 70.

PART 2 PRODUCTS

23 09 23 Unified Building Direct-Digital Control System for 23 09 23 - 1Systems Engineering, LLC HVAC

https://19.001.02


Project No. 19.001.02 2.01 MANUFACTURERS

A. CSO - Automated Logic:

B. Metro Controls - Automated Logic

2.02 SYSTEM DESCRIPTION A. Automatic temperature control field monitoring and control system using field programmable

micro-processor based units.

B. Base system on distributed system of fully intelligent, stand-alone controllers, operating in a multi-tasking, multi-user environment on token passing network, with central and remote hardware, software, and interconnecting wire and conduit.

C. Include computer software and hardware, operator input/output devices, control units, local area networks (LAN), sensors, control devices, actuators.

D. Controls for variable air volume terminals, radiation, reheat coils, unit heaters, fan coils, and the like when directly connected to the control units. Individual terminal unit control is specified in Section 23 09 13.

E. Provide control systems consisting of thermostats, control valves, dampers and operators, indicating devices, interface equipment and other apparatus and accessories required to operate mechanical systems, and to perform functions specified.

F. Include installation and calibration, supervision, adjustments, and fine tuning necessary for complete and fully operational system.

2.03 OPERATOR INTERFACE A. PC Based Work Station:

1. Resides on high speed network with building controllers.

2. Connected to server for full access to all system information.

B. Workstation, controllers, and control backbone to communicate using BACnet protocol and addressing.

C. BACnet protocol to comply with ASHRAE Std 135.

2.04 CONTROLLERS A. Building Controllers:

1. General:

a. Manage global strategies by one or more, independent, standalone, microprocessor based controllers.

b. Provide sufficient memory to support controller's operating system, database, and programming requirements.

c. Share data between networked controllers.

d. Controller operating system manages input and output communication signals allowing distributed controllers to share real and virtual object information and allowing for central monitoring and alarms.

e. Utilize real-time clock for scheduling.

f. Continuously check processor status and memory circuits for abnormal operation.

g. Controller to assume predetermined failure mode and generate alarm notification upon detection of abnormal operation.

h. Communication with other network devices to be based on assigned protocol.

2. Communication:


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Project No. 19.001.02 a. Controller to reside on a BACnet network using ISO 8802-3 (ETHERNET) Data

Link/Physical layer protocol.

b. Perform routing when connected to a network of custom application and application specific controllers.

c. Provide service communication port for connection to a portable operator's terminal or hand held device with compatible protocol.

3. Anticipated Environmental Ambient Conditions:

a. Outdoors and/or in Wet Ambient Conditions:

1) Mount within waterproof enclosures.

2) Rated for operation at 40 to 150 degrees F ( 4 to 65 degrees C ).

b. Conditioned Space:

1) Mount within dustproof enclosures.

2) Rated for operation at 32 to 120 degrees F ( 0 to 50 degrees C ).

4. Provisions for Serviceability:

a. Diagnostic LEDs for power, communication, and processor.

b. Make all wiring connections to field removable, modular terminal strips, or to a termination card connected by a ribbon cable.

5. Memory: In the event of a power loss, maintain all BIOS and programming information for a minimum of 72 hours.

6. Power and Noise Immunity:

a. Maintain operation at 90 to 110 percent of nominal voltage rating.

b. Perform orderly shutdown below 80 percent of nominal voltage.

c. Operation protected against electrical noise of 5 to 120 Hz and from keyed radios up to 5 W. at 3 feet ( 1 m ).

B. Input/Output Interface:

1. Hardwired inputs and outputs tie into the DDC system through building, custom application, or application specific controllers.

2. All Input/Output Points:

a. Protect controller from damage resulting from any point short-circuiting or grounding and from voltage up to 24 volts of any duration.

b. Provide universal type for building and custom application controllers where input or output is software designated as either binary or analog type with appropriate properties.

3. Binary Inputs:

a. Allow monitoring of On/Off signals from remote devices.

b. Provide wetting current of 12 mA minimum, compatible with commonly available control devices and protected against the effects of contact bounce and noise.

c. Sense dry contact closure with power provided only by the controller.

4. Pulse Accumulation Input Objects: Comply with all requirements of binary input objects and accept up to 10 pulses per second.

5. Analog Inputs:


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Project No. 19.001.02 a. Allow for monitoring of low voltage 0 to 10 VDC, 4 to 20 mA current, or resistance

signals (thermistor, RTD).

b. Compatible with and field configurable to commonly available sensing devices.

6. Binary Outputs:

a. Used for On/Off operation or a pulsed low-voltage signal for pulse width modulation control.

b. Outputs provided with three position (On/Off/Auto) override switches.

c. Status lights for building and custom application controllers to be selectable for normally open or normally closed operation.

7. Analog Outputs:

a. Monitoring signal provides a 0 to 10 VDC or a 4 to 20 mA output signal for end device control.

b. Provide status lights and two position (AUTO/MANUAL) switch for building and custom application controllers with manually adjustable potentiometer for manual override on building and custom application controllers.

c. Drift to not exceed 0.4 percent of range per year.

8. Tri State Outputs:

a. Coordinate two binary outputs to control three point, floating type, electronic actuators without feedback.

b. Control algorithms run the zone actuator to one end of its stroke once every 24 hours for verification of operator tracking.

9. System Object Capacity:

a. System size to be expandable to twice the number of input output objects required by providing additional controllers, including associated devices and wiring.

b. Hardware additions or software revisions for the installed operator interfaces are not to be required for future, system expansions.

2.05 POWER SUPPLIES AND LINE FILTERING A. Power Supplies:

1. Provide UL listed control transformers with Class 2 current limiting type or over-current protection in both primary and secondary circuits for Class 2 service as required by the NEC.

2. Limit connected loads to 80 percent of rated capacity.

3. Match DC power supply to current output and voltage requirements.

4. Unit to be full wave rectifier type with output ripple of 5.0 mV maximum peak to peak.

5. Regulation to be 1 percent combined line and load with 100 microsecond response time for 50 percent load changes.

6. Provide over-voltage and over-current protection to withstand a 150 percent current overload for 3 seconds minimum without trip-out or failure.

7. Operational Ambient Conditions: 32 to 120 degrees F ( 0 to 50 degrees C ).

8. EM/RF meets FCC Class B and VDE 0871 for Class B and MIL-STD-810 for shock and vibration.

9. Line voltage units UL recognized and CSA approved.


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Project No. 19.001.02 B. Power Line Filtering:

1. Provide external or internal transient voltage and surge suppression component for all workstations and controllers.

2. Minimum surge protection attributes:

a. Dielectric strength of 1000 volts minimum.

b. Response time of 10 nanoseconds or less.

c. Transverse mode noise attenuation of 65 dB or greater.

d. Common mode noise attenuation of 150 dB or greater at 40 to 100 Hz.

2.06 LOCAL AREA NETWORK (LAN) A. Provide communication between control units over local area network (LAN).

B. LAN Capacity: Not less than 60 stations or nodes.

C. Break in Communication Path: Alarm and automatically initiate LAN reconfiguration.

D. LAN Data Speed: Minimum 19.2 Kb.

E. Communication Techniques: Allow interface into network by multiple operation stations and by auto-answer/auto-dial modems. Support communication over telephone lines utilizing modems.

F. Transmission Median: Fiber optic or single pair of solid 24 gage twisted, shielded copper cable.

G. Network Support: Time for global point to be received by any station, shall be less than 3 seconds. Provide automatic reconfiguration if any station is added or lost. If transmission cable is cut, reconfigure two sections with no disruption to system's operation, without operator intervention.

2.07 SYSTEM SOFTWARE A. Operating System:

1. Concurrent, multi-tasking capability.

a. Common Software Applications Supported: Microsoft Excel.

b. Acceptable Operating Systems: [__________].

2. System Graphics:

a. Allow up to 10 graphic screens, simultaneously displayed for comparison and monitoring of system status.

b. Animation displayed by shifting image files based on object status.

c. Provide method for operator with password to perform the following:

1) Move between, change size, and change location of graphic displays.

2) Modify on-line.

3) Add, delete, or change dynamic objects consisting of:

(a) Analog and binary values.

(b) Dynamic text.

(c) Static text.

(d) Animation files.

3. Custom Graphics Generation Package:

a. Create, modify, and save graphic files and visio format graphics in PCX formats.


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Project No. 19.001.02 b. HTML graphics to support web browser compatible formats.

c. Capture or convert graphics from AutoCAD.

4. Standard HVAC Graphics Library:

a. HVAC Equipment:

1) Boilers.

2) Air Handlers.

b. Ancillary Equipment:

B. Workstation System Applications:

1. Automatic System Database Save and Restore Functions:

a. Current database copy of each Building Controller is automatically stored on hard disk.

b. Automatic update occurs upon change in any system panel.

c. In the event of database loss in any system panel, the first workstation to detect the loss automatically restores the database for that panel unless disabled by the operator.

2. Manual System Database Save and Restore Functions by Operator with Password Clearance:

a. Save database from any system panel.

b. Clear a panel database.

c. Initiate a download of a specified database to any system panel.

3. Software provided allows system configuration and future changes or additions by operators under proper password protection.

4. On-line Help:

a. Context-sensitive system assists operator in operation and editing.

b. Available for all applications.

c. Relevant screen data provided for particular screen display.

d. Additional help available via hypertext.

5. Security:

a. Operator log-on requires user name and password to view, edit, add, or delete data.

b. System security selectable for each operator.

c. System supervisor sets passwords and security levels for all other operators.

d. Operator passwords to restrict functions accessible to viewing and/or changing system applications, editor, and object.

e. Automatic, operator log-off results from keyboard or mouse inactivity during user-adjustable, time period.

f. All system security data stored in encrypted format.

6. System Diagnostics:

a. Operations Automatically Monitored:

1) Workstations.

2) Printers.


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Project No. 19.001.02 3) Modems.

4) Network connections.

5) Building management panels.

6) Controllers.

b. Device failure is annunciated to the operator.

7. Alarm Processing:

a. All system objects are configurable to "alarm in" and "alarm out" of normal state.

b. Configurable Objects:

1) Alarm limits.

2) Alarm limit differentials.

3) States.

4) Reactions for each object.

8. Alarm Messages:

a. Descriptor: English language.

b. Recognizable Features:

1) Source.

2) Location.

3) Nature.

9. Configurable Alarm Reactions by Workstation and Time of Day:

a. Logging.

b. Printing.

c. Starting programs.

d. Displaying messages.

e. Dialing out to remote locations.

f. Paging.

g. Providing audible annunciation.

h. Displaying specific system graphics.

10. Custom Trend Logs:

a. Definable for any data object in the system including interval, start time, and stop time.

b. Trend Data:

1) Sampled and stored on the building controller panel.

2) Archivable on hard disk.

3) Retrievable for use in reports, spreadsheets and standard database programs.

4) Archival on LAN accessible storage media including hard disk, tape, Raid array drive, and virtual cloud environment.

5) Protected and encrypted format to prevent manipulation, or editing of historical data and event logs.

11. Alarm and Event Log: 23 09 23 Unified Building Direct-Digital Control System for 23 09 23 - 7Systems Engineering, LLC HVAC


Project No. 19.001.02 a. View all system alarms and change of states from any system location.

b. Events listed chronologically.

c. Operator with proper security acknowledges and clears alarms.

d. Alarms not cleared by operator are archived to the workstation hard disk.

12. Object, Property Status and Control:

a. Provide a method to view, edit if applicable, the status of any object and property in the system.

b. Status Available by the Following Methods:

1) Menu.

2) Graphics.

3) Custom Programs.

13. Reports and Logs:

a. Reporting Package:

1) Allows operator to select, modify, or create reports.

2) Definable as to data content, format, interval, and date.

3) Archivable to hard disk.

b. Real-time logs available by type or status such as alarm, lockout, normal, etc.

c. Stored on hard disk and readily accessible by standard software applications, including spreadsheets and word processing.

d. Set to be printed on operator command or specific time(s).

14. Reports:

a. Standard:

1) Objects with current values.

2) Current alarms not locked out.

3) Disabled and overridden objects, points and SNVTs.

4) Objects in manual or automatic alarm lockout.

5) Objects in alarm lockout currently in alarm.

6) Logs:

(a) Alarm History.

(b) System messages.

(c) System events.

(d) Trends.

b. Custom:

1) Daily.

2) Weekly.

3) Monthly.

4) Annual.

5) Time and date stamped.

6) Title.


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Project No. 19.001.02 7) Facility name.

c. Tenant Override:

1) Monthly report showing total, requested, after-hours HVAC and lighting services on a daily basis for each tenant.

2) Annual report showing override usage on a monthly basis.

d. Electrical, Fuel, and Weather:

1) Electrical Meter(s):

(a) Monthly showing daily electrical consumption and peak electrical demand with time and date stamp for each meter.

(b) Annual summary showing monthly electrical consumption and peak demand with time and date stamp for each meter.

2) Fuel Meter(s):

(a) Monthly showing daily natural gas consumption for each meter.

(b) Annual summary showing monthly consumption for each meter.

3) Weather:

(a) Monthly showing minimum, maximum, average outdoor air temperature and heating/cooling degree-days for the month.

C. Workstation Applications Editors:

1. Provide editing software for each system application at PC workstation.

2. Downloaded application is executed at controller panel.

3. Full screen editor for each application allows operator to view and change:

a. Configuration.

b. Name.

c. Control parameters.

d. Set-points.

4. Scheduling:

a. Monthly calendar indicates schedules, holidays, and exceptions.

b. Allows several related objects to be scheduled and copied to other objects or dates.

c. Start and stop times adjustable from master schedule.

5. Custom Application Programming:

a. Create, modify, debug, edit, compile, and download custom application programming during operation and without disruption of all other system applications.

b. Programming Features:

1) English oriented language, based on BASIC, FORTRAN, C, or PASCAL syntax allowing for free form programming.

2) Alternative language graphically based using appropriate function blocks suitable for all required functions and amenable to customizing or compounding.

3) Insert, add, modify, and delete custom programming code that incorporates word processing features such as cut/paste and find/replace.


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Project No. 19.001.02 4) Allows the development of independently, executing, program modules

designed to enable and disable other modules.

5) Debugging/simulation capability that displays intermediate values and/or results including syntax/execution error messages.

6) Support for conditional statements (IF/THEN/ELSE/ELSE-F) using compound Boolean (AND, OR, and NOT) and/or relations (EQUAL, LESS THAN, GREATER THAN, NOT EQUAL) comparisons.

7) Support for floating-point arithmetic utilizing plus, minus, divide, times, square root operators; including absolute value; minimum/maximum value from a list of values for mathematical functions.

8) Language consisting of resettable, predefined, variables representing time of day, day of the week, month of the year, date; and elapsed time in seconds, minutes, hours, and days where the variable values cab be used in IF/THEN comparisons, calculations, programming statement logic, etc.

9) Language having predefined variables representing status and results of the system software enables, disables, and changes the set points of the controller software.

2.08 CONTROLLER SOFTWARE A. All applications reside and operate in the system controllers and editing of all applications

occurs at the operator workstation.

B. System Security:

1. User access secured via user passwords and user names.

2. Passwords restrict user to the objects, applications, and system functions as assigned by the system manager.

3. User Log On/Log Off attempts are recorded.

4. Automatic Log Off occurs following the last keystroke after a user defined delay time.

C. Object or Object Group Scheduling:

1. Weekly Schedules Based on Separate, Daily Schedules:

a. Include start, stop, optimal stop, and night economizer.

b. 10 events maximum per schedule.

c. Start/stop times adjustable for each group object.

D. Provide standard application for equipment coordination and grouping based on function and location to be used for scheduling and other applications.

E. Alarms:

1. Binary object is set to alarm based on the operator specified state.

2. Analog object to have high/low alarm limits.

3. All alarming is capable of being automatically and manually disabled.

4. Alarm Reporting:

a. Operator determines action to be taken for alarm event.

b. Alarms to be routed to appropriate workstation.

F. Maintenance Management: System monitors equipment status and generates maintenance messages based upon user-designated run-time limits.


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Project No. 19.001.02 G. Sequencing: Application software based upon specified sequences of operation in Section

23 09 93.

H. PID Control Characteristics:

1. Direct or reverse action.

2. Anti-windup.

3. Calculated, time-varying, analog value, positions an output or stages a series of outputs.

4. User selectable controlled variable, set-point, and PED gains.

I. Staggered Start Application:

1. Prevents all controlled equipment from simultaneously restarting after power outage.

2. Order of equipment startup is user selectable.

J. Energy Calculations:

1. Accumulated instantaneous power or flow rates are converted to energy use data.

2. Algorithm calculates a rolling average and allows window of time to be user specified in minute intervals.

3. Algorithm calculates a fixed window average with a digital input signal from a utility meter defining the start of the window period that in turn synchronizes the fixed-window average with that used by the power company.

K. Anti-Short Cycling:

1. All binary output objects protected from short-cycling.

2. Allows minimum on-time and off-time to be selected.

L. On-Off Control with Differential:

1. Algorithm allows binary output to be cycled based on a controlled variable and set-point.

2. Algorithm to be direct-acting or reverse-acting incorporating an adjustable differential.

M. Run-Time Totalization:

1. Totalize run-times for all binary input objects.

2. Provides operator with capability to assign high run-time alarm.

PART 3 EXECUTION 3.01 INSTALLERS

A. Installer List:

1. Metro Controls, Inc..

2. CSO, Inc..

3.02 INSTALLATION A. Install control units and other hardware in position on permanent walls where not subject to

excessive vibration.

B. Install software in control units and in operator work station. Implement all features of programs to specified requirements and appropriate to sequence of operation. Refer to Section 23 09 93.

C. Provide conduit and electrical wiring in accordance with Section 26 05 83. Electrical material and installation shall be in accordance with appropriate requirements of Division 26.


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VARIABLE FREQUENCY DRIVES PART 1 GENERAL 1.01 SECTION INCLUDES

A. Variable frequency drives. This specification is to cover a complete variable frequency motor drive (VFD) consisting of a pulse width modulated (PWM) inverter designed for use on a standard NEMA Design B induction motor. The drive shall be designed specifically for variable torque applications..

1.02 REFERENCES A. NEMA ICS 7.1 - Safety Standards for Construction and Guide for Selection, Installation,

and Operation of Adjustable Speed Drive Systems; National Electrical Manufacturers Association; 2000.

B. ICS 7.0 AC Variable Speed Drives.

C. Standard 519-1992, IEEE Guide for Harmonic Content and Control.

D. UL 508C.

1.03 SUBMITTALS A. Product Data: Provide catalog sheets showing voltage, controller size, ratings and size of

switching and overcurrent protective devices, short circuit ratings, dimensions, and enclosure details.

B. Shop Drawings: Indicate front and side views of enclosures with overall dimensions and weights shown; conduit entrance locations and requirements; and nameplate legends.

C. Manufacturer's Field Reports: Indicate start-up inspection findings.

D. Qualifications: VFDs and options shall be UL listed as a complete assembly. The base VFD shall be UL listed for 100 KAIC without the need for input fuses. It is required that the drive manufacturer has an existing sales representative exclusively for HVAC products with expertise in HVAC systems and controls, and an independent service organization.

1.04 WARRANTY A. Warranty shall be twenty-four (24) months from the date of certified startup, not to exceed

thirty (30) months from the date of manufacture. The warranty shall include all parts, labor, travel time, and expenses.

1.05 DELIVERY, STORAGE, AND HANDLING A. Store in a clean, dry space. Maintain factory wrapping or provide an additional heavy

canvas or heavy plastic cover to protect units from dirt, water, construction debris, and traffic.


A. ABB U.S. www.abb.us/drives.com

B. SQUARE D www.squared.com

2.02 DESCRIPTION A. Variable Frequency Drives: The VFD shall be solid state, with a pulse width modulated

(PWM) output. The VFD package, as specified herein, shall be enclosed in a NEMA 1 enclosure, completely assembled and tested by the manufacturer. The VFD shall employ a full wave rectifier, integral line reactors, capacitors and insulated gate bipolar transistors as the output switching device. The drive efficiency shall be 97 percent or better at full speed and full load. Fundamental power factor shall be 0.98 at all speeds and loads.

Unified Building 23 09 30 23 09 30 - 1Systems Engineering, LLC Variable Frequency Drives

www.squared.com

www.abb.us/drives.com

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Project No. 19.001.02 2.03 OPERATING REQUIREMENTS

A. Rated Input Voltage: Input 460/480 VAC +/- 10 percent, 3-phase, 48-63 Hz or input 208/220/230/240 VAC +/- 10 percent 3-phase, 48-63 Hz Undervoltage trip at rated input -35 percent. Overvoltage trip at rated input +30 percent.

B. Interrupt Rating: 65 kAIC, suitable for use on a circuit capable of delivering not more than 65,000 RMS symmetrical amps, 480V maximum.

C. Output Frequency: 0 to 250 Hz. Operation above 60 Hz shall require programming changes to prevent inadvertent high-speed operation

D. Operating Conditions: 0 to 40C, less that 95 percent humidity, noncondensing.

E. VFD Enclosure: The VFD package, as specified herein, shall be enclosed in a UL listed Type 12 enclosure, completely assemble and tested by the manufacturer in an ISO9001 facility.

F. Input Signal: 4 to 20 mA DC.

2.04 COMPONENTS A. Display: All VFDs shall have the same customer interface, including digital display and

keypad, regardless of horsepower rating. The keypad is to be used for local control, for setting all parameters and for stepping through the displays and menus. The keypad shall be removable, be capable of remote mounting, and have its own nonvolatile memory. The keypad shall include hand-off-auto membrane selections. When in “Hand” the VFD will be started and the speed will be controlled from the up/down arrows. When in “Off” the VFD will be stopped. When in “Auto” the VFD will start via and external speed reference. The drive shall incorporate “bumpless transfer” of speed reference when switching between “Auto” and “Hand” modes. There shall be fault reset and “Help” buttons on the keypad. The “Help” button shall include “on-line” assistance for programming and troubleshooting.

1. The VFDs shall utilize preprogrammed application macros specifically designed to facilitate startup. The application macros shall provide on command to reprogram all parameters and customer interfaces for a particular application to reduce programming time. The VFD shall have two user macros to allow end-user to create and save custom settings.

2. There shall be a built in time clock in the VFD keypad. The clock shall have a battery backup with a ten (10) year minimum lifespan. The clock shall be used to date and time stamp faults and record operation parameters at the time of fault. If the battery fails, the VFD shall automatically revert to hours of operation since initial power-up. The clock shall also be programmable to control start/stop functions, constant speeds, PID parameter sets and output relays. The VFD shall have a digital input that allows an override to the time clock, when in the off mode, for a programmable timeframe. There shall be four (4) separate, independent timer functions that have both weekday and weekend settings.

B. Status Indicators: The following operating information displays shall be standard on the VFD digital display, All applicable operating values shall be capable of being displayed in engineering (user) units. A minimum of two operating values from the list below shall be capable of being displayed at all times. The display shall be in complete English words, alpha-numeric codes are not acceptable.

1. Output frequency

2. Motor speed (RPM, percent)

3. Motor current

4. Calculated motor torque


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Project No. 19.001.02 5. Calculated motor power (kW)

6. DC Bus voltage

7. Output voltage

8. Analog input values

9. Analog output values

10. Keypad reference values

11. Elapsed time meter

12. kWh meter

13. Digital input status

14. Digital output status

15. Ammeter

C. The VFD shall have the ability to automatically restart after an overcurrent, overvoltage, undervoltage or loss of input signal protective trip. The number of restart attempts, trial time and time between reset attempts shall be programmable.

1. The VFD shall be capable of starting into a rotating load and accelerate or decelerate to setpoint without safety tripping or component damage. The VFD shall also be capable of DC injection braking at start to stop a reverse spinning motor prior to ramp.

2. The VFD shall be equipped with an automatic extended control power ride-through circuit, which will utilize the inertia of the load to keep the drive powered. Typical control power ride-through for a fan load shall be two (2) seconds minimum.

3. If the input reference (4-20mA or 2-10V) is lost, the VFD shall give the use the option of either: stopping and displaying fault, running at a programmable preset speed, hold the VFD speed based on the last good reference received, or cause a warning to be issued, as selected by the user. The drive shall be programmable to signal this condition via a keypad warning, relay output and or over the serial communication bus.

4. The customer terminal strip shall be isolated from the line and ground.

5. The drive shall be employ current limit circuits to provide trip free operation: The slow current regulation limit circuit shall be variable to 150 percent (minimum) of the VFD’s normal duty current rating. This adjustment shall be made via the keypad and shall be displayed in actual amps, not as a percent of full load. The current switch-off limit shall be fixed at 350 percent (minimum, instantaneous) of the VFD’s normal duty current rating.

6. The overload rating of the drive shall be 110 percent of its normal duty current rating for one minute in every ten minutes, 130 percent overload for two seconds. The minimum FLA rating shall meet or exceed the values in the NEC/UL Table 430-150 for 4-pole motors.

7. The VFD shall have an integral 5 percent impedance line reactors to reduce the harmonics to the power line and to add protection from AC line transients. The VFD shall include a coordinated AC transient protection system consisting of 4-120 joule-rated MOV’s (phase to phase and phase to ground), a capacitor clamp and 5 percent impedance reactors.

8. The VFD shall be capable of sensing a loss of load (broken belt, no water in pump, etc.) and signal the loss of load condition. The drive shall be programmable to signal this condition via a keypad warning, relay output and or over the serial communications bus.


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Project No. 19.001.02 D. VFD Adjustments: Three programmable critical frequency lockout ranges to prevent the

VFD from operating the load continuously at an unstable speed. Two PID setpoint controllers shall be standard in the drive, allowing pressure or flow signals to be connected to the VFD, using the microprocessor in the VFD for the closed loop control. There shall be a independent, second PID loop that can utilize the second analog input and modulate one of the analog outputs to maintain setpoint of an independent process. All setpoints, process variables, etc, to be accessible from the serial communication network. Two programmable analog inputs shall accept a current or voltage signal for speed reference or for reference and actual signals for PID controller. Two programmable analog outputs (0-20 ma or 4-20 ma). The outputs may be programmed to output proportional to Frequency, Motor Speed, Output Voltage, Output Current, Motor Torque, Motor Power, and other data. Six programmable digital inputs. Three programmable digital Form C relay outputs. Seven programmable preset speeds. Two independently adjustable accel and decal ramps.

E. Serial Communications: The VFD shall have an RS-485 port as standard. The standard protocols shall be Modbus and Johnson Controls NS bus, with optional protocols for LonWorks, BACnet and Ethernet available. Serial communications capabilities shall include, but not be limited to: run-stop control, speed set adjustment, proportional/integral/derivative PID control adjustments, current limit, accel/decal time adjustments, and lock/unlock the keypad. The drive

F. shall have the capability of allowing the DDC to monitor feedback such as process variable feedback, output speed/frequency, current, precent torque, kilowatt hours, operating hours and drive temperature. All diagnostic warning and fault information shall be transmitted over the serial communications bus. Remote VFD fault reset shall be possible. The VFD shall allow the DDC to control the drive’s digital and analog outputs via the serial interface

G. Microprocessor based Bypass Controller: A complete factory wired and tested bypass system consisting of an input contactor, output contactor and bypass contactor. Overload protection shall be provided in both drive and bypass modes. Controller shall be manual or automatic (selectable) transfer to line power via contactors. A keypad to control the bypass controller shall be mounted on the enclosure door. The bypass keypad shall include a one-one diagram and status LED’s to indicate the mode of operation, drive and bypass status, and ready and enable conditions. When in “Drive” mode, the bypass contactor is open and the drive output contactor is closed. In the “Bypass” position, the drive output contactor is open and the bypass controller is closed.

H. Door Interlocks: Furnish mechanical means to prevent opening of equipment with power connected, or to disconnect power if door is opened; include means for defeating interlock by qualified persons.

I. Safety Interlocks: Furnish terminals for remote contact to inhibit starting under both manual and automatic mode.

J. Control Interlocks: Furnish terminals for remote contact to allow starting in automatic mode.

K. Disconnecting Means: Include integral fused disconnect switch on the line side of each controller.


A. Install in accordance with NEMA ICS 7.1 and manufacturer's instructions.

B. Tighten accessible connections and mechanical fasteners after placing controller.

C. Provide fuses in fusible switches; refer to Section 16491 for product requirements.

D. Installation shall be the responsibility of the mechanical contractor. The contractor shall install the drive in accordance with the recommendations of the VFD manufacturer as


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Project No. 19.001.02 outlined in the installation manual.

E. Power wiring shall be completed by the electrical contractor.

F. Make final adjustments to installed controller to assure proper operation of load system. Obtain performance requirements from installer of driven loads.

3.02 MANUFACTURER'S FIELD SERVICES A. Provide the service of the manufacturer's field representative to prepare and start

controllers. Certified factory startup shall be provided for each drive by a factory-authorized service center. A certified start-up form shall be filled out for each drive with a copy provided to the owner and a copy kept on file at the manufacturer.

3.03 DEMONSTRATION A. Demonstrate operation of controllers in automatic and manual modes.

PART 2 PRODUCTS END OF SECTION


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Project No. 19.001.02 SECTION 23 21 13 HYDRONIC PIPING


A. Hydronic system requirements.

B. Heating water piping, above grade.

C. Equipment drains and overflows.

D. Pipe hangers and supports.

E. Unions, flanges, mechanical couplings, and dielectric connections.

F. Valves:

1. Ball valves.

2. Butterfly valves.

3. Check valves.

G. Flow controls.

1.02 RELATED REQUIREMENTS A. Section 08 31 00 - Access Doors and Panels.

B. Section 09 91 23 - Interior Painting.

C. Section 22 07 19 - Plumbing Piping Insulation.

D. Section 23 05 16 - Expansion Fittings and Loops for HVAC Piping.

E. Section 23 07 19 - HVAC Piping Insulation.

F. Section 23 25 00 - HVAC Water Treatment: Pipe cleaning.

1.03 REFERENCE STANDARDS A. ASME BPVC-IX - Qualification Standard for Welding, Brazing, and Fuzing Procedures;

Welders; Brazers; and Welding, Brazing, and Fusing Operators - Welding Brazing and Fusing Qualifications 2019.

B. ASME B16.3 - Malleable Iron Threaded Fittings: Classes 150 and 300 2016.

C. ASME B16.18 - Cast Copper Alloy Solder Joint Pressure Fittings 2018.

D. ASME B16.22 - Wrought Copper and Copper Alloy Solder-Joint Pressure Fittings 2018.

E. ASME B31.9 - Building Services Piping 2017.

F. ASTM A53/A53M - Standard Specification for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded and Seamless 2018.

G. ASTM A234/A234M - Standard Specification for Piping Fittings of Wrought Carbon Steel and Alloy Steel for Moderate and High Temperature Service 2019.

H. ASTM B32 - Standard Specification for Solder Metal 2008 (Reapproved 2014).

I. ASTM B88 - Standard Specification for Seamless Copper Water Tube 2016.

J. ASTM B88M - Standard Specification for Seamless Copper Water Tube (Metric) 2018.

K. ASTM F708 - Standard Practice for Design and Installation of Rigid Pipe Hangers 1992,with Editiorial Revision (2018).

L. ASTM F1476 - Standard Specification for Performance of Gasketed Mechanical Couplings for Use in Piping Applications 2007 (Reapproved 2013).

Unified Building 23 21 13 23 21 13 - 1Systems Engineering, LLC Hydronic Piping

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Project No. 19.001.02 M. AWS A5.8M/A5.8 - Specification for Filler Metals for Brazing and Braze Welding 2011

(Amended 2012).

N. AWS D1.1/D1.1M - Structural Welding Code - Steel 2015, with Errata (2016).

O. AWWA C606 - Grooved and Shouldered Joints 2015.

P. MSS SP-58 - Pipe Hangers and Supports - Materials, Design, Manufacture, Selection, Application, and Installation 2018.

1.04 SUBMITTALS A. Product Data:

1. Include data on pipe materials, pipe fittings, valves, and accessories.

2. Provide manufacturers catalogue information.

3. Indicate valve data and ratings.

B. Manufacturer's Installation Instructions: Indicate hanging and support methods, joining procedures.

C. Project Record Documents: Record actual locations of valves.

1.05 QUALITY ASSURANCE A. Manufacturer Qualifications: Company specializing in manufacturing products of the type

specified in this section, with minimum three years of documented experience.

B. Provide all grooved joint couplings, fittings, valves, specialties, and grooving tools from a single manufacturer.

C. Coupling Manufacturer:

1. Perform on-site training by factory-trained representative to the Contractor's field personnel in the proper use of grooving tools and installation of grooved joint products.

2. Periodic job site visits by factory-trained representative to ensure best practices in grooved joint installation.

D. Welder Qualifications: Certify in accordance with ASME BPVC-IX.

1.06 FIELD CONDITIONS A. Do not install underground piping when bedding is wet or frozen.

PART 2 PRODUCTS 2.01 HYDRONIC SYSTEM REQUIREMENTS

A. Comply with ASME B31.9 and applicable federal, state, and local regulations.

B. Piping: Provide piping, fittings, hangers and supports as required, as indicated, and as follows:

1. Where more than one piping system material is specified, provide joining fittings that are compatible with piping materials and ensure that the integrity of the system is not jeopardized.

2. Use non-conducting dielectric connections whenever jointing dissimilar metals.

3. Grooved mechanical joints may be used in accessible locations only.

a. Accessible locations include those exposed on interior of building, in pipe chases, and in mechanical rooms, aboveground outdoors, and as approved by Architect.

b. Use rigid joints unless otherwise indicated.

4. Provide pipe hangers and supports in accordance with ASME B31.9 or MSS SP-58 unless indicated otherwise.


https://D1.1/D1.1M

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Project No. 19.001.02 C. Pipe-to-Valve and Pipe-to-Equipment Connections: Use flanges, unions or grooved

couplings to allow disconnection of components for servicing; do not use direct welded, soldered, or threaded connections.

D. Valves: Provide valves where indicated:

1. Provide drain valves where indicated, and if not indicated provide at least at main shut-off, low points of piping, bases of vertical risers, and at equipment. Use 3/4 inch ( 20 mm ) gate valves with cap; pipe to nearest floor drain.

2. For throttling, bypass, or manual flow control services, use butterfly valves.

2.02 HEATING WATER PIPING, ABOVE GRADE A. Steel Pipe: ASTM A53/A53M, Schedule 40, black, using one of the following joint types:

1. Welded Joints: ASTM A234/A234M, wrought steel welding type fittings; AWS D1.1/D1.1M welded.

2. Threaded Joints: ASME B16.3, malleable iron fittings.

3. Grooved Joints: AWWA C606 grooved pipe, fittings of same material, and mechanical couplings.

B. Copper Tube: ASTM B88 (ASTM B88M), Type L (B), drawn, using one of the following joint types:

1. Solder Joints: ASME B16.18 cast brass/bronze or ASME B16.22 solder wrought copper fittings.

a. Solder: ASTM B32 lead-free solder, HB alloy (95-5 tin-antimony) or tin and silver.

b. Braze: AWS A5.8M/A5.8 BCuP copper/silver alloy.

2. Tee Connections: Mechanically extracted collars with notched and dimpled branch tube.

2.03 EQUIPMENT DRAINS AND OVERFLOWS A. Copper Tube: ASTM B88 (ASTM B88M), Type K (A), drawn; using one of the following joint

types:

1. Solder Joints: ASME B16.18 cast brass/bronze or ASME B16.22 solder wrought copper fittings; ASTM B32 lead-free solder, HB alloy (95-5 tin-antimony) or tin and silver.

2.04 PIPE HANGERS AND SUPPORTS A. Provide hangers and supports that comply with MSS SP-58.

1. If type of hanger or support for a particular situation is not indicated, select appropriate type using MSS SP-58 recommendations.

2. Hangers for Pipe Sizes 1/2 to 1-1/2 Inch ( 13 to 38 mm ): Malleable iron, adjustable swivel, split ring.

3. Hangers for Hot Pipe Sizes 2 to 4 Inches ( 50 to 100 mm ): Carbon steel, adjustable, clevis.

4. Hangers for Hot Pipe Sizes 6 Inches ( 150 mm ) and Greater: Adjustable steel yoke, cast iron roll, double hanger.

5. Multiple or Trapeze Hangers: Steel channels with welded spacers and hanger rods.

6. Multiple or Trapeze Hangers for Hot Pipe Sizes 6 Inches ( 150 mm ) and Greater: Steel channels with welded spacers and hanger rods, cast iron roll.

7. Vertical Support: Steel riser clamp.

8. Copper Pipe Support: Carbon steel ring, adjustable, copper plated.


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Project No. 19.001.02 9. Hanger Rods: Mild steel threaded both ends, threaded one end, or continuous

threaded.

B. In grooved installations, use rigid couplings with offsetting angle-pattern bolt pads or with wedge shaped grooves in header piping to permit support and hanging in accordance with ASME B31.9.

2.05 UNIONS, FLANGES, MECHANICAL COUPLINGS, AND DIELECTRIC CONNECTIONS A. Unions for Pipe 2 Inches ( 50 mm ) and Less:

1. Ferrous Piping: 150 psig ( 1034 kPa ) malleable iron, threaded.

2. Copper Pipe: Bronze, soldered joints.

B. Flanges for Pipe 2 Inches ( 50 mm ) and Greater:

1. Ferrous Piping: 150 psig ( 1034 kPa ) forged steel, slip-on.

2. Copper Piping: Bronze.

C. Mechanical Couplings for Grooved and Shouldered Joints: Two or more curved housing segments with continuous key to engage pipe groove, circular C-profile gasket, and bolts to secure and compress gasket.

1. Dimensions and Testing: In accordance with AWWA C606.

2. Mechanical Couplings: Comply with ASTM F1476.

3. Bolts and Nuts: Hot dipped galvanized or zinc-electroplated steel.

4. When pipe is field grooved, provide coupling manufacturer's grooving tools.

5. Manufacturers:

a. Apollo Valves: www.apollovalves.com

b. Grinnell Products: www.grinnell.com

c. Victaulic Company: www.victaulic.com

D. Dielectric Connections:

1. Waterways:

a. Water impervious insulation barrier capable of limiting galvanic current to 1 percent of short circuit current in a corresponding bimetallic joint.

b. Construct of galvanized steel with threaded end connections to match connecting piping.

c. Suitable for the required operating pressures and temperatures.

2. Flanges:

a. Dielectric flanges with same pressure ratings as standard flanges.

b. Water impervious insulation barrier capable of limiting galvanic current to 1 percent of short circuit current in a corresponding bimetallic joint.

c. Construct of galvanized steel with threaded end connections to match connecting piping.

d. Suitable for the required operating pressures and temperatures.

2.06 BALL VALVES A. Manufacturers:


2. Victaulic Company: www.victaulic.com


www.victaulic.com


www.victaulic.com

www.grinnell.com


https://19.001.02


Project No. 19.001.02 3. Viega LLC: www.viega.us

B. Up To and Including 2 Inches ( 50 mm ):

1. Bronze one piece body, chrome plated brass ball, teflon seats and stuffing box ring, lever handle with balancing stops, solder ends with union.

C. Over 2 Inches ( 50 mm ):

1. Cast steel body, chrome plated steel ball, teflon seat and stuffing box seals, lever handle, flanged ends, rated to 800 psi ( 5515 kPa ).

2.07 BUTTERFLY VALVES A. Manufacturers:


2. Grinnell Products: www.grinnell.com


B. Body: Cast or ductile iron with resilient replaceable EPDM seat, lug or grooved ends, extended neck.

C. Disc: Construct of aluminum bronze, chrome plated ductile iron, stainless steel, ductile iron with EPDM encapsulation or Buna-N encapsulation.

D. Stem: Stainless steel with stem offset from the centerline to provide full 360 degree circumferential setting.

E. Operator: 10 position lever handle.

2.08 SWING CHECK VALVES A. Manufacturers:


2. Grinnell Products: www.grinnell.com


B. Up To and Including 2 Inches ( 50 mm ):

1. Bronze body, bronze trim, bronze rotating swing disc, with composition disc, solder ends.

C. Over 2 Inches ( 50 mm ):

1. Iron body, bronze trim, bronze faced rotating swing disc, renewable disc and seat, flanged ends.

2.09 SPRING LOADED CHECK VALVES A. Manufacturers:

1. Shurjoint Piping Products, Inc: www.shurjoint.com/#sle

2. Victaulic Company: www.victaulic.com/#sle

B. Iron body, bronze trim, split plate, hinged with stainless steel spring, resilient seal bonded to body, wafer or threaded lug ends.

2.10 COMBINATION FLOW MEASURING AND BALANCE VALVE A. Manufacturers:

1. Nexus

2. Preso

3. Flow Design


www.victaulic.com/#sle

www.shurjoint.com/#sle

www.victaulic.com

www.grinnell.com


www.victaulic.com

www.grinnell.com


www.viega.us

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Project No. 19.001.02 B. Construction:

1. Manual flow control devices shall be a fixed orifice venturi, modified venturi, or pitot balancing type accurate to at least +/- 3%.

2. Valves 2-1/2" or smaller shall be modified venturi style, forged brass body and with an integrated ball valve, (2) pressure/temperature test ports, additional port for air vent or drain valve, a tag indicating model and Cv, memory stop with graduated scale, blowout proof stem with dual o-ring seals, hard chrome plated ball with teflon seats, and rated 600 PSI WOG, 325 degrees F.

3. Valves 2-1/2" or larger shall be venturi or pitot balancing type accurate to at least +/-3%.

a. Venturi balacing type shall be a flanged carbon stell body (per ASME B16.5, Class 150 flanges); butterfly valve with infinite position memory stop and 316 stainless steel disc. Valve shall have two (2) 1/4" NPT ports and be rated for 230 psi and 250 degrees F.

b. Pitot tube balancing type shall be a flanged cast iron body (per ASTM A126, Class B Flanges) metering station with stainless steel pitot tube; a tag indicating the model and Dv; butteryfly valve with infnite position memory stop and 316 stainless steel disc. Valve shall have at minimum, two (2) 1/4" NPT ports, one (1) 1/2" NPT port, and one (1) additional 3/4" NPT port. Valve shall be rated for 175 psi and 275 degrees F.


A. Ream pipe and tube ends. Remove burrs. Bevel plain end ferrous pipe.

B. Prepare pipe for grooved mechanical joints as required by coupling manufacturer.

C. Remove scale and dirt on inside and outside before assembly.

D. Prepare piping connections to equipment using jointing system specified.

E. Keep open ends of pipe free from scale and dirt. Protect open ends with temporary plugs or caps.

F. After completion, fill, clean, and treat systems. Refer to Section 23 25 00 for additional requirements.


B. Route piping in orderly manner, parallel to building structure, and maintain gradient.

C. Install piping to conserve building space and to avoid interfere with use of space.

D. Group piping whenever practical at common elevations.

E. Sleeve pipe passing through partitions, walls and floors.

F. Install firestopping to preserve fire resistance rating of partitions and other elements, using materials and methods specified [__________].

G. Slope piping and arrange to drain at low points.

H. Install piping to allow for expansion and contraction without stressing pipe, joints, or connected equipment. Refer to Section 23 05 16.

I. Grooved Joints:

1. Install in accordance with the manufacturer's latest published installation instructions.


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Project No. 19.001.02 2. Gaskets to be suitable for the intended service, molded, and produced by the coupling

manufacturer.

J. Pipe Hangers and Supports:

1. Install hangers to provide minimum 1/2 inch ( 13 mm ) space between finished covering and adjacent work.

2. Place hangers within 12 inches ( 300 mm ) of each horizontal elbow.

3. Use hangers with 1-1/2 inch ( 38 mm ) minimum vertical adjustment. Design hangers for pipe movement without disengagement of supported pipe.

4. Support vertical piping at every other floor. Support riser piping independently of connected horizontal piping.

5. Where several pipes can be installed in parallel and at same elevation, provide multiple or trapeze hangers.

6. Provide copper plated hangers and supports for copper piping.

7. Prime coat exposed steel hangers and supports. Refer to Section 09 9123. Hangers and supports located in crawl spaces, pipe shafts, and suspended ceiling spaces are not considered exposed.

K. Provide clearance in hangers and from structure and other equipment for installation of insulation and access to valves and fittings. Refer to Section 22 07 19.

L. Provide access where valves and fittings are not exposed. Coordinate size and location of access doors with Section 08 3100.

M. Use eccentric reducers to maintain top of pipe level.

N. Where pipe support members are welded to structural building framing, scrape, brush clean, and apply one coat of zinc rich primer to welds.

3.03 SCHEDULES A. Hanger Spacing for Copper Tubing.

1. 1/2 inch ( 15 mm ) and 3/4 inch ( 20 mm ): Maximum span, 5 feet ( 1500 mm ); minimum rod size, 1/4 inch ( 6 mm ).

2. 1 inch ( 25 mm ): Maximum span, 6 feet ( 1800 mm ); minimum rod size, 1/4 inch ( 6 mm ).

3. 1-1/2 inch ( 40 mm ) and 2 inch ( 50 mm ): Maximum span, 8 feet ( 2400 mm ); minimum rod size, 3/8 inch ( 9 mm ).

4. 2-1/2 inch ( 65 mm ): Maximum span, 9 feet ( 2700 mm ); minimum rod size, 3/8 inch ( 9 mm ).

B. Hanger Spacing for Steel Piping.

1. 3 inches ( 80 mm ): Maximum span, 12 feet ( 3.6 m ); minimum rod size, 3/8 inch ( 9 mm ).






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HYDRONIC SPECIALTIES PART 1 GENERAL 1.01 SECTION INCLUDES

A. Expansion tanks.

B. Air vents.

C. Air separators.

D. Strainers.

E. Suction diffusers.

F. Pump connectors.

G. Balancing valves.

H. Flow meters.

I. Relief valves.

J. Pressure reducing valves.


1.03 REFERENCE STANDARDS A. ASME BPVC-VIII-1 - Boiler and Pressure Vessel Code, Section VIII, Division 1: Rules for

Construction of Pressure Vessels 2019.

1.04 SUBMITTALS A. Product Data: Provide product data for manufactured products and assemblies required for

this project. Include component sizes, rough-in requirements, service sizes, and finishes. Include product description.

PART 2 PRODUCTS 2.01 EXPANSION TANKS

A. Construction: Welded steel, tested and stamped in accordance with ASME BPVC-VIII-1; supplied with National Board Form U-1, rated for working pressure of 125 psi ( 860 kPa ), with flexible EPDM diaphragm or bladder sealed into tank, and steel support stand.

B. Accessories: Pressure gauge and air-charging fitting, tank drain; precharge to 12 psi ( 80 kPa ).

C. Automatic Cold Water Fill Assembly: Pressure reducing valve, reduced pressure double check back flow preventer, test cocks, strainer, vacuum breaker, and valved by-pass.

2.02 AIR VENTS 2.03 AIR SEPARATORS 2.04 STRAINERS 2.05 SUCTION DIFFUSERS

A. Fitting: Angle pattern, cast-iron body, threaded for 2 inch ( 50 mm ) and smaller, flanged for 2-1/2 inch ( 65 mm ) and larger, rated for 175 psi ( 1200 kPa ) working pressure, with inlet vanes, cylinder strainer with 3/16 inch ( 5 mm ) diameter openings, disposable 5/32 inch ( 4 mm ) mesh strainer to fit over cylinder strainer, 20 mesh start up screen, and permanent magnet located in flow stream and removable for cleaning.

2.06 PUMP CONNECTORS

Unified Building 23 21 14 23 21 14 - 1Systems Engineering, LLC Hydronic Specialties

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Project No. 19.001.02 2.07 BALANCING VALVES 2.08 FLOW METERS 2.09 RELIEF VALVES

A. Bronze body, teflon seat, stainless steel stem and springs, automatic, direct pressure actuated, capacities ASME certified and labelled.

2.10 PRESSURE REDUCING VALVES A. Operation: Automatically feeds make-up water to the hydronic system whenever pressure in

the system drops below the pressure setting of the valve. Refer to Section 23 21 13.

B. Materials of Construction:

1. Valve Body: Constructed of bronze, cast iron, brass, iron or [__________].

2. Internal Components: Construct of stainless steel, brass or [__________] and engineered plastics, composition material or [____________].

C. Connections:

1. NPT threaded: 0.50 inch ( 15 mm ), 0.75 inch ( 20 mm ) or [____] inch ( [____] mm ).

2. Soldered: 0.50 inch ( 15 mm ) or [____] inch ( [____] mm ).

D. Provide integral check valve and strainer.

E. Maximum Inlet Pressure: 100 psi ( 689 kPa ).

F. Maximum Fluid Temperature: 180 degrees F ( 82 degrees C ).

G. Operating Pressure Range: Between 10 psi ( 69 kPa ) and 25 psi ( 172 kPa ).

END OF SECTION

Unified Building 23 21 14 23 21 14 - 2Systems Engineering, LLC Hydronic Specialties

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Project No. 19.001.02 SECTION 23 21 23 HYDRONIC PUMPS


A. In-line circulators.

B. Base-mounted pumps.

1.02 RELATED REQUIREMENTS A. Section 22 05 13 - Common Motor Requirements for Plumbing Equipment.

B. Section 22 05 48 - Vibration and Seismic Controls for Plumbing Piping and Equipment.

C. Section 23 07 19 - HVAC Piping Insulation.

D. Section 23 21 13 - Hydronic Piping.

E. Section 23 21 14 - Hydronic Specialties.

F. Section 26 05 83 - Wiring Connections: Electrical characteristics and wiring connections.

1.03 REFERENCE STANDARDS A. NFPA 70 - National Electrical Code Most Recent Edition Adopted by Authority Having

Jurisdiction, Including All Applicable Amendments and Supplements.

B. UL 778 - Standard for Motor-Operated Water Pumps Current Edition, Including All Revisions.

1.04 SUBMITTALS A. Product Data: Provide certified pump curves showing performance characteristics with

pump and system operating point plotted. Include NPSH curve when applicable. Include electrical characteristics and connection requirements.


A. Armstrong Fluid Technology, Inc: www.armstrongfluidtechnology.com

B. Bell & Gossett, a Xylem Inc. brand: www.bellgossett.com

C. Taco; [______]: www.tacohvac.com

D. Grundfos.

2.02 HVAC PUMPS - GENERAL A. Provide pumps that operate at specified system fluid temperatures without vapor binding

and cavitation, are non-overloading in parallel or individual operation, and operate within 25 percent of midpoint of published maximum efficiency curve.

B. Products Requiring Electrical Connection: Listed and classified by UL or testing agency acceptable to Authority Having Jurisdiction as suitable for the purpose specified and indicated.

2.03 IN-LINE CIRCULATORS A. Type: Horizontal shaft, single stage, direct connected, with resiliently mounted motor for in-

line mounting, oil lubricated, for 125 psi ( 860 kPa ) maximum working pressure.

B. Casing: Cast iron, with flanged pump connections.

C. Impeller: Non-ferrous keyed to shaft.

D. Bearings: Oil-lubricated bronze sleeve.

E. Shaft: Alloy steel with bronze sleeve, integral thrust collar.

Unified Building 23 21 23 23 21 23 - 1Systems Engineering, LLC Hydronic Pumps

www.tacohvac.com

www.bellgossett.com

www.armstrongfluidtechnology.com

https://19.001.02


Project No. 19.001.02 F. Seal: Mechanical seal, 225 degrees F ( 107 degrees C ) maximum continuous operating

temperature.

G. Drive: Flexible coupling.

2.04 BASE-MOUNTED PUMPS A. Type: Horizontal shaft, single stage, direct connected, radially or horizontally split casing,

for 125 psi ( 860 kPa ) maximum working pressure.

B. Casing: Cast iron with suction and discharge gauge ports, renewable bronze casing wearing rings, seal flush connection, drain plug, flanged suction and discharge.

C. Impeller: Bronze, fully enclosed, keyed to shaft.

D. Bearings: Oil lubricated roller or ball bearings.

E. Shaft: Alloy steel with copper, bronze, or stainless steel shaft sleeve.

F. Seal: Mechanical seal, 225 degrees F ( 107 degrees C ) maximum continuous operating temperature.

G. Drive: Flexible coupling with coupling guard.

H. Baseplate: Cast iron or fabricated steel with integral drain rim.


A. Verify that electric power is available and of the correct characteristics.


B. Provide access space around pumps for service. Provide no less than minimum space recommended by manufacturer.

C. Provide line sized shut-off valve and strainer on pump suction, and line sized soft seat check valve and balancing valve on pump discharge.

D. Provide air cock and drain connection on horizontal pump casings.

E. Provide drains for bases and seals, piped to and discharging into floor drains.

F. Check, align, and certify alignment of base-mounted pumps prior to start-up.

G. Lubricate pumps before start-up.

H. Provide side-stream filtration system for closed loop systems. Install across pump with flow from pump discharge to pump suction from pump tappings.

END OF SECTION

Unified Building 23 21 23 23 21 23 - 2Systems Engineering, LLC Hydronic Pumps

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HVAC WATER TREATMENT PART 1 GENERAL 1.01 SECTION INCLUDES

A. Materials.

1. System cleaner.

2. Closed system treatment (water).

B. By-pass (pot) feeder.

C. Test equipment.


B. Section 23 21 14 - Hydronic Specialties.

1.03 SUBMITTALS A. Product Data: Provide chemical treatment materials, chemicals, and equipment including

electrical characteristics and connection requirements.


A. AmSolv-Amrep, Inc: www.amsolv.com

B. GE Water & Process Technologies: www.gewater.com

C. Nalco, an Ecolab Company: www.nalco.com

2.02 MATERIALS A. System Cleaner:

1. Liquid alkaline compound with emulsifying agents and detergents to remove grease and petroleum products; sodiumtripoly phosphate and sodium molybdate.

2. Biocide chlorine release agents such as sodium hypochlorite or calcium hypochlorite or microbiocides such as quarternary ammonia compounds, tributyltin oxide, methylene bis (thiocyanate).

B. Closed System Treatment (Water):

1. Sequestering agent to reduce deposits and adjust pH; polyphosphate.

2. Corrosion inhibitors; boron-nitrite, sodium nitrite and borax, sodium totyltriazole, low molecular weight polymers, phosphonates, sodium molybdate, or sulphites.

3. Conductivity enhancers; phosphates or phosphonates.

2.03 BY-PASS (POT) FEEDER A. Manufacturers:

1. Griswold Controls: www.griswoldcontrols.com

2. J. L. Wingert Company: www.jlwingert.com

3. Neptune, a brand of the Dover Company: www.neptune1.com

2.04 TEST EQUIPMENT A. Provide white enamel test cabinet with local and fluorescent light, capable of

accommodating 4 - 10 ml zeroing titrating burettes and associated reagents.

B. Provide the following test kits:

Unified Building 23 25 00 23 25 00 - 1Systems Engineering, LLC HVAC Water Treatment

www.neptune1.com

www.jlwingert.com

www.griswoldcontrols.com

www.nalco.com

www.gewater.com

www.amsolv.com

https://19.001.02


Project No. 19.001.02 1. Alkalinity titration test kit.

2. Chloride titration test kit.

3. Sulphite titration test kit.

4. Total hardness titration test kit.

5. Low phosphate test kit.

6. Conductivity bridge, range 0 - 10,000 micro-ohms.

7. Creosol red pH slide complete with reagent.

8. Portable electronic conductivity meter.

9. High nitrite test kit.


A. Systems shall be operational, filled, started, and vented prior to cleaning. Use water meter to record capacity in each system.

B. Place terminal control valves in open position during cleaning.

C. Verify that electric power is available and of the correct characteristics.

3.02 CLEANING SEQUENCE A. Concentration:

1. As recommended by manufacturer.

B. Hot Water Heating Systems:

1. Apply heat while circulating, slowly raising temperature to 160 degrees F ( 71 degrees C ) and maintain for 12 hours minimum.

2. Remove heat and circulate to 100 degrees F ( 37.8 degrees C ) or less; drain systems as quickly as possible and refill with clean water.

3. Circulate for 6 hours at design temperatures, then drain.

4. Refill with clean water and repeat until system cleaner is removed.


3.04 CLOSED SYSTEM TREATMENT A. Provide one bypass feeder on each system. Install isolating and drain valves and necessary

piping. Install around balancing valve downstream of circulating pumps unless indicated otherwise.

B. Introduce closed system treatment through bypass feeder when required or indicated by test.

C. Provide 3/4 inch ( 19 mm ) water coupon rack around circulating pumps with space for 4 test specimens.

END OF SECTION

Unified Building 23 25 00 23 25 00 - 2Systems Engineering, LLC HVAC Water Treatment

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BREECHINGS, CHIMNEYS, AND STACKS PART 1 GENERAL 1.01 SECTION INCLUDES

A. Type B double wall gas vents (Special AL-294C Gas Vent)

1.02 REFERENCE STANDARDS A. NFPA 54 - National Fuel Gas Code 2018.

B. SMACNA (DCS) - HVAC Duct Construction Standards Metal and Flexible 2005 (Revised 2009).

1.03 DEFINITIONS A. Breeching: Vent connector.

B. Vent: That portion of a venting system designed to convey flue gases directly outdoors from a vent connector or from an appliance when a vent connector is not used.

C. Vent Connector: That part of a venting system that conducts the flue gases from the flue collar of an appliance to a chimney or vent, and may include a draft control device.

1.04 SUBMITTALS A. Product Data: Provide data indicating factory built chimneys, including dimensional details

of components and flue caps, dimensions and weights, electrical characteristics and connection requirements.

B. Shop Drawings: Indicate general construction, dimensions, weights, support and layout of breechings. Submit layout drawings indicating plan view and elevations where factory built units are used.


A. AMPCO by Hart & Cooley, Inc: www.ampcostacks.com

B. DuraVent: www.duravent.com

C. Metal-Fab, Inc: www.mtlfab.com

D. Selkirk Corporation: www.selkirkcommercial.com

2.02 BREECHINGS, CHIMNEYS, AND STACKS - GENERAL REQUIREMENTS A. Regulatory Requirements:

1. Comply with applicable codes for installation of natural gas burning appliances and equipment.

2.03 TYPE B DOUBLE WALL GAS VENTS (SPECIAL AL-294C GAS VENT) A. Vent shall be factory-built special gas type, double wall, engineered and designed for use

on Category IV appliances, or as specified by the equipment manfacturer. Comply with UL 1738.

B. Vent shall be listed for an internal static pressure of 15.0" w.g. and tested to 37.0" w.g.

C. Vent shall be construced with an inner conduit constructed of AL29-4C or 29-4 superferritic stainless steel with a minimum thickness of .015" for diameters 3"-8" and .020" for diameters 10"-16".

D. Design, fabricate and install gas-tight preventing products of combustion from leaking into the building.

23 51 00 Unified Building Breechings, Chimneys, and 23 51 00 - 1Systems Engineering, LLC Stacks

www.selkirkcommercial.com

www.mtlfab.com

www.duravent.com

www.ampcostacks.com

https://19.001.02


Project No. 19.001.02 1. All inner wall conduit components shall be manufactured from AL29-4C or 29-4. Joints

shall not use screws or fasteners that penetrate the inner conduit.

2. Inner wall joints shall be designed with a male and female overlapping metal-metal connection to maintain condensate on the AL29-4C stainless steel. Proper ¼” per foot pitch must be maintained at all times and condensate should flow back toward the appliance to the required number of drains

E. The outer wall casing shall be constructed of 430 stainless steel that shall not require additional surface preparation, such as painting, in order to withstand the outdoors or high humidity environments.

F. Inner conduit and outer wall casing shall be constructed with a one-inch air space between them and in such a fashion that prevents cross-alloy contamination.

G. Provide with appliance adapter, drain sections, supports clamps, rain cap, storm color, and other accessories to provide a complete system.



B. Support breechings from building structure, rigidly with suitable ties, braces, hangers and anchors to hold to shape and prevent buckling. Support vertical breechings, chimneys, and stacks at 12 foot ( 4 m ) spacing, to adjacent structural surfaces, or at floor penetrations. Refer to SMACNA (DCS) for equivalent duct support configuration and size.

C. Pitch breechings with positive slope up from fuel-fired equipment to chimney or stack.

D. For Type B double wall gas vents, maintain UL listed minimum clearances from combustibles. Assemble pipe and accessories as required for complete installation.

E. Install vent dampers, locating close to draft hood collar, and secured to breeching.

F. Clean breechings, chimneys, and stacks during installation, removing dust and debris.

G. At appliances, provide slip joints permitting removal of appliances without removal or dismantling of breechings, breeching insulation, chimneys, or stacks.

END OF SECTION

23 51 00 Unified Building Breechings, Chimneys, and 23 51 00 - 2Systems Engineering, LLC Stacks

https://19.001.02



CONDENSING BOILERS PART 1 GENERAL 1.01 SECTION INCLUDES

A. Manufactured units.

B. Boiler construction.

C. Boiler trim.

D. Fuel burning system.

E. Factory installed controls.

1.02 RELATED REQUIREMENTS A. Section 03 30 00 - Cast-in-Place Concrete.

B. Section 23 09 13 - Instrumentation and Control Devices for HVAC.

C. Section 23 21 14 - Hydronic Specialties.

D. Section 23 21 23 - Hydronic Pumps.

E. Section 23 25 00 - HVAC Water Treatment.

F. Section 23 51 00 - Breechings, Chimneys, and Stacks.

G. Section 26 05 83 - Wiring Connections: Electrical characteristics and wiring connections.

1.03 REFERENCE STANDARDS A. AHRI Directory of Certified Product Performance - Air-Conditioning, Heating, and

Refrigeration Institute (AHRI) Current Edition.

B. ANSI Z21.13 - American National Standard for Gas-Fired Low-Pressure Steam and Hot Water Boilers 2017.

C. ASHRAE Std 90.1 I-P - Energy Standard for Buildings Except Low-Rise Residential Buildings Most Recent Edition Adopted by Authority Having Jurisdiction, Including All Applicable Amendments and Supplements.

D. ASME BPVC-IV - Boiler and Pressure Vessel Code, Section IV - Rules for Construction of Heating Boilers 2019.

E. NBBI Manufacturer and Repair Directory - The National Board of Boiler and Pressure Vessel Inspectors (NBBI) Current Edition.

F. NFPA 54 - National Fuel Gas Code 2018.

1.04 SUBMITTALS A. Product Data: Provide data indicating general assembly, components, controls, safety

controls, and wiring diagrams with electrical characteristics and connection requirements, and service connections.

B. Manufacturer's Installation Instructions: Indicate assembly, support details, connection requirements, and include start up instructions.

C. Warranty: Submit manufacturer warranty and ensure forms have been completed in Owner's name and registered with manufacturer.

1.05 WARRANTY A. Provide a five year warranty on burner and heat exchanger.


Unified Building 23 52 16 23 52 16 - 1Systems Engineering, LLC Condensing Boilers

https://19.001.02


Project No. 19.001.02 A. Natural Gas Boilers Indoor Applications:

1. Hamilton 3VO: www.hamiltonengineering.com

2. Subsitutions must be offered as a voluntary alternate.

2.02 MANUFACTURED UNITS A. Factory assembled, factory fire-tested, self-contained, readily transported unit ready for

automatic operation except for connection of water, fuel, electrical, and vent services.

B. Unit: Metal membrane wall, water or fire tube, condensing boiler on integral structural steel frame base with integral fuel burning system, firing controls, boiler trim, insulation, and removable jacket, suitable for indoor application.

2.03 BOILER CONSTRUCTION A. Comply with the minimum requirements of ASME BPVC-IV and ANSI Z21.13 for

construction of boilers.

B. Assembly to bear the ASME "H" stamp and comply with the efficiency requirements of the latest edition of ASHRAE Std 90.1.

C. Required Directory Listings:

1. AHRI Directory of Certified Product Performance - Air-Conditioning, Heating, and Refrigeration Institute (AHRI); current edition at www.ahrinet.org.

2. NBBI Manufacturer and Repair Directory - The National Board of Boiler and Pressure Vessel Inspectors (NBBI); current edition at www.nationalboard.org.

D. Heat Exchanger: Construct with materials that are impervious to corrosion where subject to contact with corrosive condensables.

E. Provide adequate tappings, observation ports, removable panels, and access doors for entry, cleaning, and inspection.

F. Insulate casing with insulation material, protected and covered by heavy-gage metal jacket.

G. Factory apply boiler base and other components, that are subject to corrosion, with durable, acrylic or powder coated finish.

H. Boilers are part of a skid assembly, broken down by the manufacturer and to be assembled by the installing contractor.

2.04 BOILER TRIM A. ASME rated pressure relief valve.

B. Flow switch.

C. Electronic Low Water Cut-off: Complete with test light and manual reset button to automatically prevent firing operation whenever boiler water falls below safe level.

D. Temperature and pressure gauge.

E. Pressure Switches:

1. High gas pressure.

2. Low gas pressure.

3. Air pressure.

F. Manual reset high limit.

G. Boiler Pump (where required by boiler design):

1. Primary pump, factory supplied and sized for field installation to ensure minimum, continuous circulation through boiler.


www.nationalboard.org

www.ahrinet.org

www.hamiltonengineering.com

https://19.001.02

Livonia Public Schools

2. Pump time delay.

2020 Boiler Replacements Project No. 19.001.02

2.05 FUEL BURNING SYSTEM A. Provide forced draft automatic burner, integral to boiler, designed to burn natural gas, and

maintain fuel-air ratios automatically.

1. Blower Design: Statically and dynamically balanced to supply combustion air; direct connected to motor.

2. Forced Draft Design: Mixes combustion air and gas to achieve 90 percent combustion efficiency.

3. Combustion Air Filter: Protects fuel burning system from debris.

B. Gas Train: Plug valve, safety gas valve, gas-air ratio control valve, and pressure regulator controls air and gas mixture.

C. Emission of Oxides of Nitrogen Requirements: Comply with SCAQMD 1146.1 for natural gas fired system, as applicable.

D. Intakes: Combustion air intake capable of accepting free mechanical room air or direct outside air through a sealed intake pipe.

2.06 FACTORY INSTALLED CONTROLS A. Option for internal or external (0-10) VDC control.

B. Temperature Controls:

1. Automatic reset type to control fuel burning system on-off and firing rate to maintain temperature.

2. Manual reset type to control fuel burning system to prevent boiler water temperature from exceeding safe system water temperature.

3. Low-fire start time delay relay.

C. Electronic PI setpoint/modulation control system.

D. Microprocessor-based, fuel/air mixing controls.

2.07 ACCESSORIES A. Condensate neutralization kit (one per boiler).

B. Control system communication card capable of BACnet communication with the building automation system (BAS).



B. Install boiler and provide connection of natural gas service in accordance with requirements of NFPA 54 and applicable codes.

C. Install boiler on concrete housekeeping base, sized minimum of 4 inches ( 100 mm ) larger than boiler base in accordance with Section 03 30 00.

D. Coordinate provisions for water treatment in accordance with Section 23 25 00.

E. Pipe relief valves to nearest floor drain.

F. Pipe cooled condensate produced by the combustion process from the boiler condensate connection and/or flue stack with suitable piping material to neutralizer prior to discharging into nearest floor drain.

G. Provide piping connection and accessories in accordance with Section 23 21 14.



Project No. 19.001.02 H. Provide for connection to electrical service in accordance with Section 26 05 83.

I. Vent combustion fumes in accordance with manufacturer's recommendations. Refer to Section 23 51 00.

3.02 CLOSEOUT ACTIVITIES A. Demonstration: Demonstrate operation of system to Owner's personnel.

1. Use operation and maintenance data as reference during demonstration, supplemented with additonal training materials as required.

2. Provide minimum 2 hours of training.

END OF SECTION


https://19.001.02



CONVECTION HEATING AND COOLING UNITS PART 1 GENERAL 1.01 SECTION INCLUDES

A. Unit heaters.

B. Air coils.

1.02 RELATED REQUIREMENTS A. Section 23 07 19 - HVAC Piping Insulation.

B. Section 23 21 13 - Hydronic Piping.

C. Section 23 21 14 - Hydronic Specialties.

1.03 REFERENCE STANDARDS A. AHRI Directory of Certified Product Performance - Air-Conditioning, Heating, and

Refrigeration Institute (AHRI) Current Edition.

B. AHRI 410 - Forced-Circulation Air-Cooling and Air-Heating Coils 2001, with Addendum (2011).

C. SMACNA (DCS) - HVAC Duct Construction Standards Metal and Flexible 2005 (Revised 2009).

1.04 SUBMITTALS A. Product Data: Provide typical catalog of information including arrangements.

B. Shop Drawings:

1. Indicate air coil and frame configurations, dimensions, materials, rows, connections, and rough-in dimensions.

2. Submit schedules of equipment and enclosures typically indicating length and number of pieces of element and enclosure, corner pieces, end caps, cap strips, access doors, pilaster covers, and comparison of specified heat required to actual heat output provided.

C. Operation and Maintenance Data: Include manufacturer's descriptive literature, operating instructions, installation instructions, maintenance and repair data, and parts listings.

D. Warranty: Submit manufacturer's warranty and ensure forms have been completed in Owner's name and registered with manufacturer.

PART 2 PRODUCTS 2.01 HYDRONIC UNIT HEATERS

A. Manufacturers:

1. Modine Manufacturing Company: www.modineHVAC.com

2. Sterling Hydronics, a Mestek Company: www.sterlingheat.com

3. Trane, a brand of Ingersoll Rand: www.trane.com

B. Coils: Seamless copper tubing, silver brazed to steel headers, and with evenly spaced aluminum fins mechanically bonded to tubing.

C. Perform factory run test under normal operating conditions, water, and steam flow rates.

D. Casing: Minimum 18 gage, 0.0478 inch ( 1.21 mm ) thick sheet steel casing with threaded pipe connections for hanger rods for horizontal models and minimum 18 gage, 0.0478 inch ( 1.21 mm ) thick sheet steel top and bottom plates for vertical projection models.

23 82 00 Unified Building Convection Heating and Cooling 23 82 00 - 1Systems Engineering, LLC Units

www.trane.com

www.sterlingheat.com

www.modineHVAC.com

https://19.001.02


Project No. 19.001.02 E. Finish: Factory applied baked primer coat.

F. Fan: Direct drive propeller type, statically and dynamically balanced, with fan guard; horizontal models with permanently lubricated sleeve bearings; vertical models with grease lubricated ball bearings.

G. Air Outlet: Adjustable pattern diffuser on vertical projection models and two, four or [____] way louvers on horizontal projection models.

H. Control: Local solid state disconnect switch.

2.02 AIR COILS A. Manufacturers:

1. Water Coils:

B. Water Coils:

1. Coils rated and tested in accordance with AHRI 410.

2. Tubes: Material to consist of seamless copper, mechanically expanded to fins; appropriate tube joining methods based on tube material.

3. Fins: Material to consist of aluminum, continuous plate type with full fin collars or individual helical finned tube type wound under tension.

4. Casing: Heavy gage galvanized steel with mounting holes, including intermediate tube supports if required by coil design and length.

5. Headers (Manifolds): Construct of seamless copper pipe or cast iron material with tube connection appropriate to header material provided.

6. Acceptable Factory Testing Methods:

a. Proof test at 1.5 times the maximum operating pressure and leak test at the maximum operating temperature.


A. Verify that surfaces are suitable for installation.

B. Verify that field measurements are as indicated on drawings.

3.02 INSTALLATION A. Install in accordance with manufacturer's recommendations.

B. Do not damage equipment or finishes.

C. Unit Heaters:

1. Hang from building structure, with pipe hangers anchored to building, not from piping or electrical conduit.

2. Mount as high as possible to maintain greatest headroom unless otherwise indicated.

D. Units with Hydronic Coils:

1. Provide with shut-off valve on supply piping and tamper-proof, balancing valve with memory stop on return piping.

2. If not easily accessible, extend air vent to exterior surface of cabinet for ease of servicing.

3. Provide float operated automatic air vents with stop valve for cabinet unit heaters, fan coil units and unit heaters.

E. Air Coils:


https://19.001.02


Project No. 19.001.02 1. Install in ducts and casings in accordance with SMACNA (DCS).

a. Support coil sections independent of piping on steel channel or double angle frames and secure to casing.

b. Provide frames for maximum of three coil sections.

c. Arrange supports to avoid piercing drain pans.

d. Provide airtight seals between coil and casing.

2. Coil Safeguards:

a. Protect coils to prevent damage to flanges and fins.

b. Comb out damaged fins.

3. Make connections to hydronic coils with unions and flanges.

4. Hydronic (Drainable) Coils:

a. Connect water supply to leaving air side of coil (counterflow arrangement).

b. Provide with shut-off valve on supply piping and tamper-proof, balancing valve with memory stop on return piping.

c. Locate supply water connection on leaving air side at bottom of supply header, and return water connection at top.

d. Provide manual air vents with stop valves at high points.

1) Install drain connections at low points of installation.

3.03 CLEANING A. After construction and painting is completed, clean exposed surfaces of units.

B. Touch-up marred or scratched surfaces of factory-finished cabinets using finish materials furnished by the manufacturer.

C. Install new filters.

3.04 PROTECTION A. Provide finished cabinet units with protective covers during the balance of construction.

END OF SECTION


https://19.001.02



SELECTIVE DEMOLITION FOR ELECTRICAL PART 1 GENERAL 1.01 SECTION INCLUDES

A. Electrical demolition.

1.02 RELATED REQUIREMENTS A. Section 02 84 00 - Polychlorinate Biphenyl (PCB) Remediation: Removal of equipment and

materials containing substances regulated under the Federal Toxic Substances Control Act (TSCA), including but not limited to those containing PCBs and mercury.

PART 2 PRODUCTS 2.01 MATERIALS AND EQUIPMENT

A. Materials and equipment for patching and extending work: As specified in individual sections.


A. Verify field measurements and circuiting arrangements are as indicated.

B. Verify that abandoned wiring and equipment serve only abandoned facilities.

C. Demolition drawings are based on casual field observation and existing record documents.

D. Report discrepancies to Architect before disturbing existing installation.

E. Beginning of demolition means installer accepts existing conditions.

3.02 PREPARATION A. Disconnect electrical systems in walls, floors, and ceilings to be removed.

3.03 DEMOLITION AND EXTENSION OF EXISTING ELECTRICAL WORK A. Perform work for removal and disposal of equipment and materials containing toxic

substances regulated under the Federal Toxic Substances Control Act (TSCA) in accordance with applicable federal, state, and local regulations. Applicable equipment and materials include, but are not limited to:

1. PCB-containing electrical equipment, including transformers, capacitors, and switches.

B. Remove, relocate, and extend existing installations to accommodate new construction.

C. Remove abandoned wiring to source of supply.

D. Remove exposed abandoned conduit, including abandoned conduit above accessible ceiling finishes. Cut conduit flush with walls and floors, and patch surfaces.

E. Disconnect abandoned outlets and remove devices. Remove abandoned outlets if conduit servicing them is abandoned and removed. Provide blank cover for abandoned outlets that are not removed.

F. Disconnect and remove electrical devices and equipment serving utilization equipment that has been removed.

G. Repair adjacent construction and finishes damaged during demolition and extension work.

H. Maintain access to existing electrical installations that remain active. Modify installation or provide access panel as appropriate.

I. Extend existing installations using materials and methods compatible with existing electrical installations, or as specified.

26 05 05 Unified Building Selective Demolition for 26 05 05 - 1Systems Engineering, LLC Electrical

https://19.001.02


Project No. 19.001.02 3.04 CLEANING AND REPAIR

A. Clean and repair existing materials and equipment that remain or that are to be reused.

B. Panelboards: Clean exposed surfaces and check tightness of electrical connections. Replace damaged circuit breakers and provide closure plates for vacant positions. Provide typed circuit directory showing revised circuiting arrangement.

END OF SECTION

26 05 05 Unified Building Selective Demolition for 26 05 05 - 2Systems Engineering, LLC Electrical

https://19.001.02



LOW-VOLTAGE ELECTRICAL POWER CONDUCTORS AND CABLES PART 1 GENERAL 1.01 SECTION INCLUDES

A. Single conductor building wire.

B. Metal-clad cable.

C. Wiring connectors.

D. Electrical tape.

E. Heat shrink tubing.

F. Oxide inhibiting compound.

G. Wire pulling lubricant.

H. Cable ties.

I. Firestop sleeves.


B. Section 26 05 05 - Selective Demolition for Electrical: Disconnection, removal, and/or extension of existing electrical conductors and cables.

C. Section 26 05 26 - Grounding and Bonding for Electrical Systems: Additional requirements for grounding conductors and grounding connectors.

D. Section 26 05 53 - Identification for Electrical Systems: Identification products and requirements.

1.03 REFERENCE STANDARDS A. ASTM B3 - Standard Specification for Soft or Annealed Copper Wire 2013 (Reapproved

2018).

B. ASTM B8 - Standard Specification for Concentric-Lay-Stranded Copper Conductors, Hard, Medium-Hard, or Soft 2011 (Reapproved 2017).

C. ASTM B33 - Standard Specification for Tin-Coated Soft or Annealed Copper Wire for Electrical Purposes 2010, with Editorial Revision (2020).

D. ASTM B787/B787M - Standard Specification for 19 Wire Combination Unilay-Stranded Copper Conductors for Subsequent Insulation 2004 (Reapproved 2020).

E. ASTM D3005 - Standard Specification for Low-Temperature Resistant Vinyl Chloride Plastic Pressure-Sensitive Electrical Insulating Tape 2017.

F. ASTM D4388 - Standard Specification for Nonmetallic Semi-Conducting and Electrically Insulating Rubber Tapes 2013.

G. FS A-A-59544 - Cable and Wire, Electrical (Power, Fixed Installation); Federal Specification 2008a (Validated 2019).

H. NECA 1 - Standard for Good Workmanship in Electrical Construction 2015.

I. NEMA WC 70 - Power Cables Rated 2000 Volts or Less for the Distribution of Electrical Energy 2009.

J. NETA ATS - Acceptance Testing Specifications for Electrical Power Equipment and Systems 2017.

K. NFPA 70 - National Electrical Code Most Recent Edition Adopted by Authority Having Jurisdiction, Including All Applicable Amendments and Supplements.

26 05 19 Unified Building Low-Voltage Electrical Power 26 05 19 - 1Systems Engineering, LLC Conductors and Cables

https://19.001.02


Project No. 19.001.02 L. UL 4 - Armored Cable Current Edition, Including All Revisions.

M. UL 44 - Thermoset-Insulated Wires and Cables Current Edition, Including All Revisions.

N. UL 83 - Thermoplastic-Insulated Wires and Cables Current Edition, Including All Revisions.

O. UL 486A-486B - Wire Connectors Current Edition, Including All Revisions.

P. UL 486C - Splicing Wire Connectors Current Edition, Including All Revisions.

Q. UL 486D - Sealed Wire Connector Systems Current Edition, Including All Revisions.

R. UL 493 - Thermoplastic-Insulated Underground Feeder and Branch-Circuit Cables Current Edition, Including All Revisions.

S. UL 510 - Polyvinyl Chloride, Polyethylene, and Rubber Insulating Tape Current Edition, Including All Revisions.

1.04 ADMINISTRATIVE REQUIREMENTS A. Coordination:

1. Coordinate sizes of raceways, boxes, and equipment enclosures installed under other sections with the actual conductors to be installed, including adjustments for conductor sizes increased for voltage drop.

2. Coordinate with electrical equipment installed under other sections to provide terminations suitable for use with the conductors to be installed.

3. Notify Architect of any conflicts with or deviations from Contract Documents. Obtain direction before proceeding with work.

1.05 SUBMITTALS A. Manufacturer's Installation Instructions: Indicate application conditions and limitations of use

stipulated by product testing agency. Include instructions for storage, handling, protection, examination, preparation, and installation of product.

B. Project Record Documents: Record actual installed circuiting arrangements. Record actual routing for underground circuits.

1.06 QUALITY ASSURANCE A. Comply with requirements of NFPA 70.

B. Manufacturer Qualifications: Company specializing in manufacturing the products specified in this section with minimum three years documented experience.

C. Product Listing Organization Qualifications: An organization recognized by OSHA as a Nationally Recognized Testing Laboratory (NRTL) and acceptable to authorities having jurisdiction.

1.07 DELIVERY, STORAGE, AND HANDLING A. Receive, inspect, handle, and store conductors and cables in accordance with

manufacturer's instructions.

1.08 FIELD CONDITIONS A. Do not install or otherwise handle thermoplastic-insulated conductors at temperatures lower

than 14 degrees F ( -10 degrees C ), unless otherwise permitted by manufacturer's instructions. When installation below this temperature is unavoidable, notify Architect and obtain direction before proceeding with work.

PART 2 PRODUCTS 2.01 CONDUCTOR AND CABLE APPLICATIONS


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Project No. 19.001.02 A. Do not use conductors and cables for applications other than as permitted by NFPA 70 and

product listing.

B. Provide single conductor building wire installed in suitable raceway unless otherwise indicated, permitted, or required.

2.02 CONDUCTOR AND CABLE GENERAL REQUIREMENTS A. Provide products that comply with requirements of NFPA 70.

B. Provide products listed, classified, and labeled as suitable for the purpose intended.

C. Unless specifically indicated to be excluded, provide all required conduit, boxes, wiring, connectors, etc. as required for a complete operating system.

D. Comply with NEMA WC 70.

E. Comply with FS A-A-59544 where applicable.

F. Thermoplastic-Insulated Conductors and Cables: Listed and labeled as complying with UL 83.

G. Thermoset-Insulated Conductors and Cables: Listed and labeled as complying with UL 44.

H. Conductors for Grounding and Bonding: Also comply with Section 26 05 26.

I. Conductor Material:

1. Provide copper conductors only. Aluminum conductors are not acceptable for this project. Conductor sizes indicated are based on copper.

2. Copper Conductors: Soft drawn annealed, 98 percent conductivity, uncoated copper conductors complying with ASTM B3, ASTM B8, or ASTM B787/B787M unless otherwise indicated.

3. Tinned Copper Conductors: Comply with ASTM B33.

J. Minimum Conductor Size:

1. Branch Circuits: 12 AWG.

a. Exceptions:

1) 20 A, 120 V circuits longer than 75 feet ( 23 m ): 10 AWG, for voltage drop.



2. Control Circuits: 14 AWG.

K. Where conductor size is not indicated, size to comply with NFPA 70 but not less than applicable minimum size requirements specified.

L. Conductor Color Coding:

1. Color code conductors as indicated unless otherwise required by the authority having jurisdiction. Maintain consistent color coding throughout project.

2. Color Coding Method: Integrally colored insulation.

a. Conductors size 4 AWG and larger may have black insulation color coded using vinyl color coding electrical tape.

3. Color Code:

a. 480Y/277 V, 3 Phase, 4 Wire System:

1) Phase A: Brown.

2) Phase B: Orange.


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Project No. 19.001.02 3) Phase C: Yellow.

4) Neutral/Grounded: Gray.

b. 208Y/120 V, 3 Phase, 4 Wire System:

1) Phase A: Black.

2) Phase B: Red.

3) Phase C: Blue.

4) Neutral/Grounded: White.

c. 240/120 V High-Leg Delta, 3 Phase, 4 Wire System:

1) Phase A: Black.

2) Phase B (High-Leg): Orange.

3) Phase C: Blue.


d. 240/120 V, 1 Phase, 3 Wire System:

1) Phase A: Black.

2) Phase B: Red.


e. Equipment Ground, All Systems: Green.

f. For modifications or additions to existing wiring systems, comply with existing color code when existing code complies with NFPA 70 and is approved by the authority having jurisdiction.

g. For control circuits, comply with manufacturer's recommended color code.

2.03 SINGLE CONDUCTOR BUILDING WIRE A. Manufacturers:

1. Copper Building Wire:

a. Encore Wire Corporation: www.encorewire.com/#sle.

b. General Cable Technologies Corporation: www.generalcable.com/#sle.

c. Southwire Company: www.southwire.com/#sle.

B. Description: Single conductor insulated wire.

C. Conductor Stranding:

1. Feeders and Branch Circuits:

a. Size 10 AWG and Smaller: Solid.

b. Size 8 AWG and Larger: Stranded.

2. Control Circuits: Stranded.

D. Insulation Voltage Rating: 600 V.

E. Insulation:

1. Copper Building Wire: Type THHN/THWN or THHN/THWN-2, except as indicated below.

a. Size 4 AWG and Larger: Type XHHW-2.

2.04 WIRING CONNECTORS


www.southwire.com/#sle

www.generalcable.com/#sle

www.encorewire.com/#sle

https://19.001.02


Project No. 19.001.02 A. Description: Wiring connectors appropriate for the application, suitable for use with the

conductors to be connected, and listed as complying with UL 486A-486B or UL 486C as applicable.

B. Connectors for Grounding and Bonding: Comply with Section 26 05 26.

C. Wiring Connectors for Splices and Taps:

1. Copper Conductors Size 8 AWG and Smaller: Use twist-on insulated spring connectors.

2. Copper Conductors Size 6 AWG and Larger: Use mechanical connectors.

D. Wiring Connectors for Terminations:

1. Provide terminal lugs for connecting conductors to equipment furnished with terminations designed for terminal lugs.

2. Where over-sized conductors are larger than the equipment terminations can accommodate, provide connectors suitable for reducing to appropriate size, but not less than required for the rating of the overcurrent protective device.

3. Provide motor pigtail connectors for connecting motor leads in order to facilitate disconnection.

4. Copper Conductors Size 8 AWG and Larger: Use mechanical connectors where connectors are required.

5. Stranded Conductors Size 10 AWG and Smaller: Use crimped terminals for connections to terminal screws.

6. Conductors for Control Circuits: Use crimped terminals for all connections.

E. Do not use insulation-piercing or insulation-displacement connectors designed for use with conductors without stripping insulation.

F. Do not use push-in wire connectors as a substitute for twist-on insulated spring connectors.

G. Twist-on Insulated Spring Connectors: Rated 600 V, 221 degrees F ( 105 degrees C ) for standard applications and 302 degrees F ( 150 degrees C ) for high temperature applications; pre-filled with sealant and listed as complying with UL 486D for damp and wet locations.

1. Manufacturers:

a. 3M: www.3m.com/#sle.

b. Ideal Industries, Inc: www.idealindustries.com/#sle.

c. NSI Industries LLC: www.nsiindustries.com/#sle.

H. Mechanical Connectors: Provide bolted type.

1. Manufacturers:

a. Burndy LLC: www.burndy.com/#sle.

b. Ilsco: www.ilsco.com/#sle.

c. Thomas & Betts Corporation: www.tnb.com/#sle.

I. Crimped Terminals: Nylon-insulated, with insulation grip and terminal configuration suitable for connection to be made.

1. Manufacturers:


b. Ilsco: www.ilsco.com/#sle.

c. Thomas & Betts Corporation: www.tnb.com/#sle. 26 05 19 Unified Building Low-Voltage Electrical Power 26 05 19 - 5Systems Engineering, LLC Conductors and Cables

www.tnb.com/#sle

www.ilsco.com/#sle

www.burndy.com/#sle

www.tnb.com/#sle

www.ilsco.com/#sle

www.burndy.com/#sle

www.nsiindustries.com/#sle

www.idealindustries.com/#sle

www.3m.com/#sle

https://19.001.02


Project No. 19.001.02 2.05 ACCESSORIES

A. Electrical Tape:

1. Manufacturers:


2. Vinyl Color Coding Electrical Tape: Integrally colored to match color code indicated; listed as complying with UL 510; minimum thickness of 7 mil ( 0.18 mm ); resistant to abrasion, corrosion, and sunlight; suitable for continuous temperature environment up to 221 degrees F ( 105 degrees C ).

3. Vinyl Insulating Electrical Tape: Complying with ASTM D3005 and listed as complying with UL 510; minimum thickness of 7 mil ( 0.18 mm ); resistant to abrasion, corrosion, and sunlight; conformable for application down to 0 degrees F ( -18 degrees C ) and suitable for continuous temperature environment up to 221 degrees F ( 105 degrees C ).

4. Rubber Splicing Electrical Tape: Ethylene Propylene Rubber (EPR) tape, complying with ASTM D4388; minimum thickness of 30 mil ( 0.76 mm ); suitable for continuous temperature environment up to 194 degrees F ( 90 degrees C ) and short-term 266 degrees F ( 130 degrees C ) overload service.

5. Electrical Filler Tape: Rubber-based insulating moldable putty, minimum thickness of 125 mil ( 3.2 mm ); suitable for continuous temperature environment up to 176 degrees F ( 80 degrees C ).

6. Varnished Cambric Electrical Tape: Cotton cambric fabric tape, with or without adhesive, oil-primed and coated with high-grade insulating varnish; minimum thickness of 7 mil ( 0.18 mm ); suitable for continuous temperature environment up to 221 degrees F ( 105 degrees C ).

7. Moisture Sealing Electrical Tape: Insulating mastic compound laminated to flexible, all-weather vinyl backing; minimum thickness of 90 mil ( 2.3 mm ).

B. Heat Shrink Tubing: Heavy-wall, split-resistant, with factory-applied adhesive; rated 600 V; suitable for direct burial applications; listed as complying with UL 486D.

1. Manufacturers:


b. Burndy LLC: www.burndy.com/#sle.


C. Oxide Inhibiting Compound: Listed; suitable for use with the conductors or cables to be installed.

1. Manufacturers:


b. Ideal Industries, Inc: www.idealindustries.com/#sle.

c. Ilsco: www.ilsco.com/#sle.

D. Wire Pulling Lubricant: Listed; suitable for use with the conductors or cables to be installed and suitable for use at the installation temperature.

1. Manufacturers:


b. American Polywater Corporation: www.polywater.com/#sle.

c. Ideal Industries, Inc: www.idealindustries.com/#sle.



www.polywater.com/#sle

www.3m.com/#sle

www.ilsco.com/#sle


www.burndy.com/#sle

www.tnb.com/#sle

www.burndy.com/#sle

www.3m.com/#sle

www.3m.com/#sle

https://19.001.02


Project No. 19.001.02 E. Cable Ties: Material and tensile strength rating suitable for application.

1. Manufacturers:

a. Burndy LLC; [______]: www.burndy.com/#sle.

F. Sealing Systems for Roof Penetrations: Premanufactured components and accessories as required to preserve integrity of roofing system and maintain roof warranty; suitable for cables and roofing system to be installed; designed to accommodate existing penetrations where applicable.

G. Firestop Sleeves: Listed; provide as required to preserve fire resistance rating of building elements.


A. Verify that work likely to damage wire and cable has been completed.

B. Verify that raceways, boxes, and equipment enclosures are installed and are properly sized to accommodate conductors and cables in accordance with NFPA 70.

C. Verify that field measurements are as indicated.

D. Verify that conditions are satisfactory for installation prior to starting work.

3.02 PREPARATION A. Clean raceways thoroughly to remove foreign materials before installing conductors and

cables.

3.03 INSTALLATION A. Circuiting Requirements:

1. Unless dimensioned, circuit routing indicated is diagrammatic.

2. When circuit destination is indicated without specific routing, determine exact routing required.

3. Arrange circuiting to minimize splices.

4. Include circuit lengths required to install connected devices within 10 ft ( 3.0 m ) of location indicated.

5. Maintain separation of Class 1, Class 2, and Class 3 remote-control, signaling, and power-limited circuits in accordance with NFPA 70.

6. Maintain separation of wiring for emergency systems in accordance with NFPA 70.

7. Circuiting Adjustments: Unless otherwise indicated, when branch circuits are indicated as separate, combining them together in a single raceway is permitted, under the following conditions:

a. Provide no more than six current-carrying conductors in a single raceway. Dedicated neutral conductors are considered current-carrying conductors.

b. Increase size of conductors as required to account for ampacity derating.

c. Size raceways, boxes, etc. to accommodate conductors.

8. Common Neutrals: Unless otherwise indicated, sharing of neutral/grounded conductors among up to three single phase branch circuits of different phases installed in the same raceway is not permitted. Provide dedicated neutral/grounded conductor for each individual branch circuit.

B. Install products in accordance with manufacturer's instructions.

C. Perform work in accordance with NECA 1 (general workmanship).


www.burndy.com/#sle

https://19.001.02


Project No. 19.001.02 D. Installation in Raceway:

1. Tape ends of conductors and cables to prevent infiltration of moisture and other contaminants.

2. Pull all conductors and cables together into raceway at same time.

3. Do not damage conductors and cables or exceed manufacturer's recommended maximum pulling tension and sidewall pressure.

4. Use suitable wire pulling lubricant where necessary, except when lubricant is not recommended by the manufacturer.

E. Paralleled Conductors: Install conductors of the same length and terminate in the same manner.

F. Secure and support conductors and cables in accordance with NFPA 70 using suitable supports and methods approved by the authority having jurisdiction. Provide independent support from building structure. Do not provide support from raceways, piping, ductwork, or other systems.

1. Installation Above Suspended Ceilings: Do not provide support from ceiling support system. Do not provide support from ceiling grid or allow conductors and cables to lay on ceiling tiles.

2. Installation in Vertical Raceways: Provide supports where vertical rise exceeds permissible limits.

G. Terminate cables using suitable fittings.

H. Install conductors with a minimum of 12 inches ( 300 mm ) of slack at each outlet.

I. Neatly train and bundle conductors inside boxes, wireways, panelboards and other equipment enclosures.

J. Group or otherwise identify neutral/grounded conductors with associated ungrounded conductors inside enclosures in accordance with NFPA 70.

K. Make wiring connections using specified wiring connectors.

1. Make splices and taps only in accessible boxes. Do not pull splices into raceways or make splices in conduit bodies or wiring gutters.

2. Remove appropriate amount of conductor insulation for making connections without cutting, nicking or damaging conductors.

3. Do not remove conductor strands to facilitate insertion into connector.

4. Clean contact surfaces on conductors and connectors to suitable remove corrosion, oxides, and other contaminates. Do not use wire brush on plated connector surfaces.

5. Mechanical Connectors: Secure connections according to manufacturer's recommended torque settings.

L. Insulate splices and taps that are made with uninsulated connectors using methods suitable for the application, with insulation and mechanical strength at least equivalent to unspliced conductors.

1. Dry Locations: Use insulating covers specifically designed for the connectors, electrical tape or heat shrink tubing.

a. For taped connections, first apply adequate amount of rubber splicing electrical tape or electrical filler tape, followed by outer covering of vinyl insulating electrical tape.

b. For taped connections likely to require re-entering, including motor leads, first apply varnished cambric electrical tape, followed by adequate amount of rubber


https://19.001.02


Project No. 19.001.02 splicing electrical tape, followed by outer covering of vinyl insulating electrical tape.

2. Damp Locations: Use insulating covers specifically designed for the connectors, electrical tape or heat shrink tubing.

a. For connections with insulating covers, apply outer covering of moisture sealing electrical tape.

b. For taped connections, follow same procedure as for dry locations but apply outer covering of moisture sealing electrical tape.

3. Wet Locations: Use heat shrink tubing.

M. Insulate ends of spare conductors using vinyl insulating electrical tape.

N. Field-Applied Color Coding: Where vinyl color coding electrical tape is used in lieu of integrally colored insulation as permitted in Part 2 under "Color Coding", apply half overlapping turns of tape at each termination and at each location conductors are accessible.

O. Identify conductors and cables in accordance with Section 26 05 53.

P. Install firestopping to preserve fire resistance rating of partitions and other elements, using materials and methods specified in Section 07 84 00.

Q. Unless specifically indicated to be excluded, provide final connections to all equipment and devices, including those furnished by others, as required for a complete operating system.

3.04 FIELD QUALITY CONTROL A. Inspect and test in accordance with NETA ATS, except Section 4.

B. Perform inspections and tests listed in NETA ATS, Section 7.3.2. The insulation resistance test is required for all conductors. The resistance test for parallel conductors listed as optional is not required.

1. Disconnect surge protective devices (SPDs) prior to performing any high potential testing. Replace SPDs damaged by performing high potential testing with SPDs connected.

C. Correct deficiencies and replace damaged or defective conductors and cables.

END OF SECTION


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GROUNDING AND BONDING FOR ELECTRICAL SYSTEMS PART 1 GENERAL 1.01 SECTION INCLUDES

A. Grounding and bonding requirements.

B. Conductors for grounding and bonding.

C. Connectors for grounding and bonding.

1.02 RELATED REQUIREMENTS A. Section 26 05 19 - Low-Voltage Electrical Power Conductors and Cables: Additional

requirements for conductors for grounding and bonding, including conductor color coding.

1. Includes oxide inhibiting compound.

B. Section 26 05 53 - Identification for Electrical Systems: Identification products and requirements.

1.03 REFERENCE STANDARDS A. NECA 1 - Standard for Good Workmanship in Electrical Construction 2015.

B. NETA ATS - Acceptance Testing Specifications for Electrical Power Equipment and Systems 2017.

C. NFPA 70 - National Electrical Code Most Recent Edition Adopted by Authority Having Jurisdiction, Including All Applicable Amendments and Supplements.

D. UL 467 - Grounding and Bonding Equipment Current Edition, Including All Revisions.

1.04 SUBMITTALS A. Manufacturer's Instructions: Indicate application conditions and limitations of use stipulated

by product testing agency. Include instructions for storage, handling, protection, examination, preparation, and installation of product.

B. Field quality control test reports.

C. Project Record Documents: Record actual locations of grounding electrode system components and connections.




1.06 DELIVERY, STORAGE, AND HANDLING A. Receive, inspect, handle, and store products in accordance with manufacturer's

instructions.

PART 2 PRODUCTS 2.01 GROUNDING AND BONDING REQUIREMENTS

A. Existing Work: Where existing grounding and bonding system components are indicated to be reused, they may be reused only where they are free from corrosion, integrity and continuity are verified, and where acceptable to the authority having jurisdiction.

26 05 26 Unified Building Grounding and Bonding for 26 05 26 - 1Systems Engineering, LLC Electrical Systems

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Project No. 19.001.02 B. Do not use products for applications other than as permitted by NFPA 70 and product

listing.

C. Unless specifically indicated to be excluded, provide all required components, conductors, connectors, conduit, boxes, fittings, supports, accessories, etc. as necessary for a complete grounding and bonding system.

D. Where conductor size is not indicated, size to comply with NFPA 70 but not less than applicable minimum size requirements specified.

E. Grounding System Resistance:

1. Achieve specified grounding system resistance under normally dry conditions unless otherwise approved by Architect. Precipitation within the previous 48 hours does not constitute normally dry conditions.

2. Between Grounding Electrode System and Major Electrical Equipment Frames, System Neutral, and Derived Neutral Points: Not greater than 0.5 ohms, when tested using "point-to-point" methods.

F. Separately Derived System Grounding:

1. Separately derived systems include, but are not limited to:

a. Transformers (except autotransformers such as buck-boost transformers).

2. Provide grounding electrode conductor to connect derived system grounded conductor to nearest effectively grounded metal building frame. Unless otherwise indicated, make connection at neutral (grounded) bus in source enclosure.

3. Provide bonding jumper to connect derived system grounded conductor to nearest metal building frame and nearest metal water piping in the area served by the derived system, where not already used as a grounding electrode for the derived system. Make connection at same location as grounding electrode conductor connection.

4. Provide system bonding jumper to connect system grounded conductor to equipment ground bus. Make connection at same location as grounding electrode conductor connection. Do not make any other connections between neutral (grounded) conductors and ground on load side of separately derived system disconnect.

5. Where the source and first disconnecting means are in separate enclosures, provide supply-side bonding jumper between source and first disconnecting means.

G. Bonding and Equipment Grounding:

1. Provide bonding for equipment grounding conductors, equipment ground busses, metallic equipment enclosures, metallic raceways and boxes, device grounding terminals, and other normally non-current-carrying conductive materials enclosing electrical conductors/equipment or likely to become energized as indicated and in accordance with NFPA 70.

2. Provide insulated equipment grounding conductor in each feeder and branch circuit raceway. Do not use raceways as sole equipment grounding conductor.

3. Where circuit conductor sizes are increased for voltage drop, increase size of equipment grounding conductor proportionally in accordance with NFPA 70.

4. Unless otherwise indicated, connect wiring device grounding terminal to branch circuit equipment grounding conductor and to outlet box with bonding jumper.

5. Terminate branch circuit equipment grounding conductors on solidly bonded equipment ground bus only. Do not terminate on neutral (grounded) or isolated/insulated ground bus.


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Project No. 19.001.02 6. Provide bonding jumper across expansion or expansion/deflection fittings provided to

accommodate conduit movement.

2.02 GROUNDING AND BONDING COMPONENTS A. General Requirements:

1. Provide products listed, classified, and labeled as suitable for the purpose intended.

2. Provide products listed and labeled as complying with UL 467 where applicable.

B. Conductors for Grounding and Bonding, in Addition to Requirements of Section 26 05 26:

1. Use insulated copper conductors unless otherwise indicated.

a. Exceptions:

1) Use bare copper conductors where installed underground in direct contact with earth.

2) Use bare copper conductors where directly encased in concrete (not in raceway).

C. Connectors for Grounding and Bonding:

1. Description: Connectors appropriate for the application and suitable for the conductors and items to be connected; listed and labeled as complying with UL 467.

2. Unless otherwise indicated, use mechanical connectors, compression connectors or exothermic welded connections for accessible connections.

3. Manufacturers - Mechanical and Compression Connectors:

a. Advanced Lightning Technology (ALT): www.altfab.com/#sle.

b. Burndy LLC: www.burndy.com/#sle.

c. Harger Lightning & Grounding: www.harger.com/#sle.

D. Oxide Inhibiting Compound: Comply with Section 26 05 19.


A. Verify that work likely to damage grounding and bonding system components has been completed.

B. Verify that field measurements are as indicated.

C. Verify that conditions are satisfactory for installation prior to starting work.

3.02 INSTALLATION A. Install products in accordance with manufacturer's instructions.

B. Perform work in accordance with NECA 1 (general workmanship).

C. Make grounding and bonding connections using specified connectors.

1. Remove appropriate amount of conductor insulation for making connections without cutting, nicking or damaging conductors. Do not remove conductor strands to facilitate insertion into connector.

2. Remove nonconductive paint, enamel, or similar coating at threads, contact points, and contact surfaces.

3. Mechanical Connectors: Secure connections according to manufacturer's recommended torque settings.

4. Compression Connectors: Secure connections using manufacturer's recommended tools and dies.


www.harger.com/#sle

www.burndy.com/#sle

www.altfab.com/#sle

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Project No. 19.001.02 D. Identify grounding and bonding system components in accordance with Section 26 05 53.

3.03 FIELD QUALITY CONTROL A. Inspect and test in accordance with NETA ATS except Section 4.

B. Perform inspections and tests listed in NETA ATS, Section 7.13.

C. Investigate and correct deficiencies where measured ground resistances do not comply with specified requirements.

END OF SECTION


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HANGERS AND SUPPORTS FOR ELECTRICAL SYSTEMS PART 1 GENERAL 1.01 SECTION INCLUDES

A. Support and attachment requirements and components for equipment, conduit, cable, boxes, and other electrical work.

1.02 RELATED REQUIREMENTS A. Section 03 30 00 - Cast-in-Place Concrete: Concrete equipment pads.

B. Section 26 05 33.13 - Conduit for Electrical Systems: Additional support and attachment requirements for conduits.

C. Section 26 05 33.16 - Boxes for Electrical Systems: Additional support and attachment requirements for boxes.

1.03 REFERENCE STANDARDS A. ASTM A123/A123M - Standard Specification for Zinc (Hot-Dip Galvanized) Coatings on Iron

and Steel Products 2017.

B. ASTM A153/A153M - Standard Specification for Zinc Coating (Hot-Dip) on Iron and Steel Hardware 2016a.

C. ASTM B633 - Standard Specification for Electrodeposited Coatings of Zinc on Iron and Steel 2019.

D. MFMA-4 - Metal Framing Standards Publication 2004.

E. NECA 1 - Standard for Good Workmanship in Electrical Construction 2015.

F. NFPA 70 - National Electrical Code Most Recent Edition Adopted by Authority Having Jurisdiction, Including All Applicable Amendments and Supplements.

G. UL 5B - Strut-Type Channel Raceways and Fittings Current Edition, Including All Revisions.


1. Coordinate sizes and arrangement of supports and bases with the actual equipment and components to be installed.

2. Coordinate the work with other trades to provide additional framing and materials required for installation.

3. Coordinate compatibility of support and attachment components with mounting surfaces at the installed locations.

4. Coordinate the arrangement of supports with ductwork, piping, equipment and other potential conflicts installed under other sections or by others.


B. Sequencing:

1. Do not install products on or provide attachment to concrete surfaces until concrete has fully cured in accordance with Section 03 30 00.

1.05 SUBMITTALS A. Installer's Qualification Statement: Include evidence of compliance with specified

requirements.

26 05 29 Unified Building Hangers and Supports for 26 05 29 - 1Systems Engineering, LLC Electrical Systems

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Project No. 19.001.02 B. Manufacturer's Instructions: Indicate application conditions and limitations of use stipulated


1.06 QUALITY ASSURANCE A. Comply with NFPA 70.

B. Comply with applicable building code.

C. Installer Qualifications for Powder-Actuated Fasteners (when specified): Certified by fastener system manufacturer with current operator's license.

D. Product Listing Organization Qualifications: An organization recognized by OSHA as a Nationally Recognized Testing Laboratory (NRTL) and acceptable to authorities having jurisdiction.


instructions.

PART 2 PRODUCTS 2.01 SUPPORT AND ATTACHMENT COMPONENTS

A. General Requirements:

1. Provide all required hangers, supports, anchors, fasteners, fittings, accessories, and hardware as necessary for the complete installation of electrical work.

2. Provide products listed, classified, and labeled as suitable for the purpose intended, where applicable.

3. Where support and attachment component types and sizes are not indicated, select in accordance with manufacturer's application criteria as required for the load to be supported with a minimum safety factor of 4. Include consideration for vibration, equipment operation, and shock loads where applicable.

4. Do not use products for applications other than as permitted by NFPA 70 and product listing.

5. Do not use wire, chain, perforated pipe strap or wood for permanent supports unless specifically indicated or permitted.

6. Steel Components: Use corrosion resistant materials suitable for the environment where installed.

a. Indoor Dry Locations: Use zinc-plated steel or approved equivalent unless otherwise indicated.

b. Outdoor and Damp or Wet Indoor Locations: Use galvanized steel, stainless steel or approved equivalent unless otherwise indicated.

c. Zinc-Plated Steel: Electroplated in accordance with ASTM B633.

d. Galvanized Steel: Hot-dip galvanized after fabrication in accordance with ASTM A123/A123M or ASTM A153/A153M.

B. Conduit and Cable Supports: Straps, clamps, etc. suitable for the conduit or cable to be supported.

1. Conduit Straps: One-hole or two-hole type; steel or malleable iron.

2. Conduit Clamps: Bolted type unless otherwise indicated.

3. Manufacturers:


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Project No. 19.001.02 a. Cooper Crouse-Hinds, a division of Eaton Corporation:

www.cooperindustries.com/#sle.

b. Erico International Corporation: www.erico.com/#sle.

c. O-Z/Gedney, a brand of Emerson Electric Co: www.emerson.com/#sle.

d. Thomas & Betts Corporation: www.tnb.com/#sle.

C. Outlet Box Supports: Hangers, brackets, etc. suitable for the boxes to be supported.

1. Manufacturers:

a. Cooper Crouse-Hinds, a division of Eaton Corporation: www.cooperindustries.com/#sle.

b. Erico International Corporation: www.erico.com/#sle.

c. O-Z/Gedney, a brand of Emerson Electric Co: www.emerson.com/#sle.

d. Thomas & Betts Corporation: www.tnb.com/#sle.

D. Metal Channel (Strut) Framing Systems: Factory-fabricated continuous-slot metal channel (strut) and associated fittings, accessories, and hardware required for field-assembly of supports.

1. Comply with MFMA-4.

2. Channel Material:

a. Indoor Dry Locations: Use painted steel, zinc-plated steel or galvanized steel.

b. Outdoor and Damp or Wet Indoor Locations: Use galvanized steel.

3. Minimum Channel Thickness: Steel sheet, 12 gage, 0.1046 inch ( 2.66 mm ).

4. Minimum Channel Dimensions: 1-5/8 inch ( 41 mm ) width by 13/16 inch ( 21 mm ) height.

5. Manufacturers:

a. Cooper B-Line, a division of Eaton Corporation: www.cooperindustries.com/#sle.

b. Thomas & Betts Corporation: www.tnb.com/#sle.

c. Unistrut, a brand of Atkore International Inc: www.unistrut.com/#sle.

d. Source Limitations: Furnish channels (struts) and associated fittings, accessories, and hardware produced by a single manufacturer.

E. Hanger Rods: Threaded zinc-plated steel unless otherwise indicated.

1. Minimum Size, Unless Otherwise Indicated or Required:

a. Equipment Supports: 1/2 inch ( 13 mm ) diameter.

b. Single Conduit up to 1 inch (27 mm) trade size: 1/4 inch ( 6 mm ) diameter.

c. Single Conduit larger than 1 inch (27 mm) trade size: 3/8 inch ( 10 mm ) diameter.

d. Trapeze Support for Multiple Conduits: 3/8 inch ( 10 mm ) diameter.

e. Outlet Boxes: 1/4 inch ( 6 mm ) diameter.

F. Anchors and Fasteners:

1. Unless otherwise indicated and where not otherwise restricted, use the anchor and fastener types indicated for the specified applications.

2. Concrete: Use preset concrete inserts, expansion anchors or screw anchors.

3. Solid or Grout-Filled Masonry: Use expansion anchors or screw anchors.

4. Hollow Masonry: Use toggle bolts. 26 05 29 Unified Building Hangers and Supports for 26 05 29 - 3Systems Engineering, LLC Electrical Systems

www.unistrut.com/#sle

www.tnb.com/#sle

www.cooperindustries.com/#sle

www.tnb.com/#sle

www.emerson.com/#sle

www.erico.com/#sle


www.tnb.com/#sle


www.erico.com/#sle


https://19.001.02


Project No. 19.001.02 5. Steel: Use beam clamps, machine bolts or welded threaded studs.

6. Sheet Metal: Use sheet metal screws.

7. Plastic and lead anchors are not permitted.

8. Powder-actuated fasteners are not permitted.

a. Where approved by Architect.

b. Use only threaded studs; do not use pins.

9. Preset Concrete Inserts: Continuous metal channel (strut) and spot inserts specifically designed to be cast in concrete ceilings, walls, and floors.

a. Comply with MFMA-4.

b. Channel Material: Use galvanized steel.

c. Minimum Channel Thickness: Steel sheet, 12 gage, 0.1046 inch ( 2.66 mm ) minimum base metal thickness.

d. Manufacturer: Same as manufacturer of metal channel (strut) framing system.

10. Post-Installed Concrete and Masonry Anchors: Evaluated and recognized by ICC Evaluation Service, LLC (ICC-ES) for compliance with applicable building code.

11. Manufacturers - Mechanical Anchors:

a. Hilti, Inc: www.us.hilti.com/#sle.

b. ITW Red Head, a division of Illinois Tool Works, Inc; [__________]: www.itwredhead.com/#sle.

c. Powers Fasteners, Inc: www.powers.com/#sle.

12. Manufacturers - Powder-Actuated Fastening Systems:

a. Hilti, Inc: www.us.hilti.com/#sle.

b. ITW Ramset, a division of Illinois Tool Works, Inc: www.ramset.com/#sle.

c. Powers Fasteners, Inc: www.powers.com/#sle.


A. Verify that field measurements are as indicated.

B. Verify that mounting surfaces are ready to receive support and attachment components.




C. Install anchors and fasteners in accordance with ICC Evaluation Services, LLC (ICC-ES) evaluation report conditions of use where applicable.

D. Provide independent support from building structure. Do not provide support from piping, ductwork, or other systems.

E. Unless specifically indicated or approved by Architect, do not provide support from suspended ceiling support system or ceiling grid.

F. Unless specifically indicated or approved by Architect, do not provide support from roof deck.


www.powers.com/#sle

www.ramset.com/#sle


www.powers.com/#sle

www.itwredhead.com/#sle


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Project No. 19.001.02 G. Do not penetrate or otherwise notch or cut structural members without approval of

Structural Engineer.

H. Equipment Support and Attachment:

1. Use metal fabricated supports or supports assembled from metal channel (strut) to support equipment as required.

2. Use metal channel (strut) secured to studs to support equipment surface-mounted on hollow stud walls when wall strength is not sufficient to resist pull-out.

3. Use metal channel (strut) to support surface-mounted equipment in wet or damp locations to provide space between equipment and mounting surface.

4. Securely fasten floor-mounted equipment. Do not install equipment such that it relies on its own weight for support.

I. Conduit Support and Attachment: Also comply with Section 26 05 33.13.

J. Box Support and Attachment: Also comply with Section 26 05 33.16.

K. Preset Concrete Inserts: Use manufacturer provided closure strips to inhibit concrete seepage during concrete pour.

L. Secure fasteners according to manufacturer's recommended torque settings.

M. Remove temporary supports.

3.03 FIELD QUALITY CONTROL A. Inspect support and attachment components for damage and defects.

B. Repair cuts and abrasions in galvanized finishes using zinc-rich paint recommended by manufacturer. Replace components that exhibit signs of corrosion.

C. Correct deficiencies and replace damaged or defective support and attachment components.

END OF SECTION


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Project No. 19.001.02 SECTION 26 05 33.13

CONDUIT FOR ELECTRICAL SYSTEMS PART 1 GENERAL 1.01 SECTION INCLUDES

A. Galvanized steel rigid metal conduit (RMC).

B. Intermediate metal conduit (IMC).

C. Flexible metal conduit (FMC).

D. Liquidtight flexible metal conduit (LFMC).

E. Electrical metallic tubing (EMT).

F. Conduit fittings.

G. Accessories.


B. Section 26 05 19 - Low-Voltage Electrical Power Conductors and Cables: Metal clad cable (Type MC), armored cable (Type AC), and manufactured wiring systems, including uses permitted.

C. Section 26 05 26 - Grounding and Bonding for Electrical Systems.

1. Includes additional requirements for fittings for grounding and bonding.

D. Section 26 05 29 - Hangers and Supports for Electrical Systems.

E. Section 26 05 33.16 - Boxes for Electrical Systems.

F. Section 26 05 53 - Identification for Electrical Systems: Identification products and requirements.

1.03 REFERENCE STANDARDS A. ANSI C80.1 - American National Standard for Electrical Rigid Steel Conduit (ERSC) 2015.

B. ANSI C80.3 - American National Standard for Electrical Metallic Tubing -- Steel (EMT-S) 2015.

C. ANSI C80.6 - American National Standard for Electrical Intermediate Metal Conduit (EIMC) 2005.

D. NECA 1 - Standard for Good Workmanship in Electrical Construction 2015.

E. NECA 101 - Standard for Installing Steel Conduits (Rigid, IMC, EMT) 2013.

F. NEMA FB 1 - Fittings, Cast Metal Boxes, and Conduit Bodies for Conduit, Electrical Metallic Tubing, and Cable 2014.

G. NFPA 70 - National Electrical Code Most Recent Edition Adopted by Authority Having Jurisdiction, Including All Applicable Amendments and Supplements.

H. UL 1 - Flexible Metal Conduit Current Edition, Including All Revisions.

I. UL 6 - Electrical Rigid Metal Conduit-Steel Current Edition, Including All Revisions.

J. UL 360 - Liquid-Tight Flexible Steel Conduit Current Edition, Including All Revisions.

K. UL 514B - Conduit, Tubing, and Cable Fittings Current Edition, Including All Revisions.

L. UL 797 - Electrical Metallic Tubing-Steel Current Edition, Including All Revisions.

M. UL 1242 - Electrical Intermediate Metal Conduit-Steel Current Edition, Including All Revisions.

Unified Building 26 05 33.13 26 05 33.13 - 1Systems Engineering, LLC Conduit for Electrical Systems

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Project No. 19.001.02 1.04 ADMINISTRATIVE REQUIREMENTS

A. Coordination:

1. Coordinate minimum sizes of conduits with the actual conductors to be installed, including adjustments for conductor sizes increased for voltage drop.

2. Coordinate the arrangement of conduits with structural members, ductwork, piping, equipment and other potential conflicts installed under other sections or by others.

3. Verify exact conduit termination locations required for boxes, enclosures, and equipment installed under other sections or by others.


B. Sequencing:

1. Do not begin installation of conductors and cables until installation of conduit is complete between outlet, junction and splicing points.

1.05 SUBMITTALS A. Project Record Documents: Record actual routing for conduits installed underground,

conduits embedded within concrete slabs and conduits 2 inch (53 mm) trade size and larger.


B. Product Listing Organization Qualifications: An organization recognized by OSHA as a Nationally Recognized Testing Laboratory (NRTL) and acceptable to authorities having jurisdiction.

1.07 DELIVERY, STORAGE, AND HANDLING A. Receive, inspect, handle, and store conduit and fittings in accordance with manufacturer's

instructions.

PART 2 PRODUCTS 2.01 CONDUIT APPLICATIONS

A. Do not use conduit and associated fittings for applications other than as permitted by NFPA 70 and product listing.

B. Unless otherwise indicated and where not otherwise restricted, use the conduit types indicated for the specified applications. Where more than one listed application applies, comply with the most restrictive requirements. Where conduit type for a particular application is not specified, use galvanized steel rigid metal conduit.

C. Concealed Within Masonry Walls: Use electrical metallic tubing (EMT).

D. Concealed Within Hollow Stud Walls: Use electrical metallic tubing (EMT).

E. Concealed Above Accessible Ceilings: Use electrical metallic tubing (EMT).

F. Interior, Damp or Wet Locations: Use galvanized steel rigid metal conduit.

G. Exposed, Interior, Not Subject to Physical Damage: Use electrical metallic tubing (EMT).

H. Exposed, Interior, Subject to Physical Damage: Use galvanized steel rigid metal conduit or intermediate metal conduit (IMC).

1. Locations subject to physical damage include, but are not limited to:

a. Where exposed below 8 feet ( 2.4 m ), except within electrical and communication rooms or closets.


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Project No. 19.001.02 I. Connections to Vibrating Equipment:

1. Dry Locations: Use flexible metal conduit.

2. Damp, Wet, or Corrosive Locations: Use liquidtight flexible metal conduit.

3. Maximum Length: 6 feet ( 1.8 m ) unless otherwise indicated.

4. Vibrating equipment includes, but is not limited to:

a. Transformers.

b. Motors.

J. Fished in Existing Walls, Where Necessary: Use flexible metal conduit.

2.02 CONDUIT REQUIREMENTS A. Existing Work: Where existing conduits are indicated to be reused, they may be reused only

where they comply with specified requirements, are free from corrosion, and integrity is verified by pulling a mandrel through them.

B. Fittings for Grounding and Bonding: Also comply with Section 26 05 26.

C. Provide all conduit, fittings, supports, and accessories required for a complete raceway system.

D. Provide products listed, classified, and labeled as suitable for the purpose intended.

E. Minimum Conduit Size, Unless Otherwise Indicated:

1. Branch Circuits: 3/4 inch (21 mm) trade size.

2. Branch Circuit Homeruns: 3/4 inch (21 mm) trade size.

3. Control Circuits: 3/4 inch ( 21 mm) trade size.

F. Where conduit size is not indicated, size to comply with NFPA 70 but not less than applicable minimum size requirements specified.

2.03 GALVANIZED STEEL RIGID METAL CONDUIT (RMC) A. Manufacturers:

1. Allied Tube & Conduit: www.alliedeg.com/#sle.

2. Republic Conduit: www.republic-conduit.com/#sle.

3. Wheatland Tube, a Division of Zekelman Industries: www.wheatland.com/#sle.

B. Description: NFPA 70, Type RMC galvanized steel rigid metal conduit complying with ANSI C80.1 and listed and labeled as complying with UL 6.

C. Fittings:

1. Manufacturers:

a. Bridgeport Fittings Inc: www.bptfittings.com/#sle.

b. O-Z/Gedney, a brand of Emerson Electric Co: www.emerson.com/#sle.


2. Non-Hazardous Locations: Use fittings complying with NEMA FB 1 and listed and labeled as complying with UL 514B.

3. Material: Use steel or malleable iron.

a. Do not use die cast zinc fittings.

4. Connectors and Couplings: Use threaded type fittings only. Threadless set screw and compression (gland) type fittings are not permitted.

2.04 INTERMEDIATE METAL CONDUIT (IMC)


www.tnb.com/#sle


www.bptfittings.com/#sle

www.wheatland.com/#sle

www.republic-conduit.com/#sle

www.alliedeg.com/#sle

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Project No. 19.001.02 A. Manufacturers:




B. Description: NFPA 70, Type IMC galvanized steel intermediate metal conduit complying with ANSI C80.6 and listed and labeled as complying with UL 1242.

C. Fittings:

1. Manufacturers:




2. Non-Hazardous Locations: Use fittings complying with NEMA FB 1 and listed and labeled as complying with UL 514B.



4. Connectors and Couplings: Use threaded type fittings only. Threadless set screw and compression (gland) type fittings are not permitted.

2.05 FLEXIBLE METAL CONDUIT (FMC) A. Manufacturers:

1. AFC Cable Systems, Inc: www.afcweb.com/#sle.

2. Electri-Flex Company: www.electriflex.com/#sle.

B. Description: NFPA 70, Type FMC standard wall steel flexible metal conduit listed and labeled as complying with UL 1, and listed for use in classified firestop systems to be used.

C. Fittings:

1. Manufacturers:




2. Description: Fittings complying with NEMA FB 1 and listed and labeled as complying with UL 514B.


2.06 LIQUIDTIGHT FLEXIBLE METAL CONDUIT (LFMC) A. Manufacturers:

1. AFC Cable Systems, Inc: www.afcweb.com/#sle.

2. Electri-Flex Company: www.electriflex.com/#sle.

B. Fittings:

1. Manufacturers:





www.tnb.com/#sle



www.electriflex.com/#sle

www.afcweb.com/#sle

www.tnb.com/#sle



www.electriflex.com/#sle

www.afcweb.com/#sle

www.tnb.com/#sle






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Project No. 19.001.02 2. Description: Fittings complying with NEMA FB 1 and listed and labeled as complying

with UL 514B.



2.07 ELECTRICAL METALLIC TUBING (EMT) A. Manufacturers:




B. Description: NFPA 70, Type EMT steel electrical metallic tubing complying with ANSI C80.3 and listed and labeled as complying with UL 797.

C. Fittings:

1. Manufacturers:




2. Description: Fittings complying with NEMA FB 1 and listed and labeled as complying with UL 514B.



4. Connectors and Couplings: Use compression (gland) or set-screw type.

a. Do not use indenter type connectors and couplings.

5. Damp or Wet Locations (where permitted): Use fittings listed for use in wet locations.

2.08 ACCESSORIES A. Conduit Joint Compound: Corrosion-resistant, electrically conductive; suitable for use with

the conduit to be installed.

B. Sealing Compound for Sealing Fittings: Listed for use with the particular fittings to be installed.

C. Modular Seals for Conduit Penetrations: Rated for minimum of 40 psig; Suitable for the conduits to be installed.

D. Firestop Sleeves: Listed; provide as required to preserve fire resistance rating of building elements.



B. Verify that mounting surfaces are ready to receive conduits.




C. Install galvanized steel rigid metal conduit (RMC) in accordance with NECA 101.


www.tnb.com/#sle






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Project No. 19.001.02 D. Install intermediate metal conduit (IMC) in accordance with NECA 101.

E. Conduit Routing:

1. Unless dimensioned, conduit routing indicated is diagrammatic.

2. When conduit destination is indicated without specific routing, determine exact routing required.

3. Conceal all conduits unless specifically indicated to be exposed.

4. Conduits in the following areas may be exposed, unless otherwise indicated:

a. Electrical rooms.

b. Mechanical equipment rooms.

c. Within joists in areas with no ceiling.

5. Unless otherwise approved, do not route conduits exposed:

a. Across floors.

b. Across roofs.

c. Across top of parapet walls.

d. Across building exterior surfaces.

6. Arrange conduit to maintain adequate headroom, clearances, and access.

7. Arrange conduit to provide no more than the equivalent of four 90 degree bends between pull points.

8. Arrange conduit to provide no more than 150 feet ( 46 m ) between pull points.

9. Route conduits above water and drain piping where possible.

10. Arrange conduit to prevent moisture traps. Provide drain fittings at low points and at sealing fittings where moisture may collect.

11. Maintain minimum clearance of 6 inches ( 150 mm ) between conduits and piping for other systems.

12. Maintain minimum clearance of 12 inches ( 300 mm ) between conduits and hot surfaces. This includes, but is not limited to:

a. Heaters.

b. Hot water piping.

c. Flues.

13. Group parallel conduits in the same area together on a common rack.

F. Conduit Support:

1. Secure and support conduits in accordance with NFPA 70 and Section 26 05 29 using suitable supports and methods approved by the authority having jurisdiction.

2. Provide independent support from building structure. Do not provide support from piping, ductwork, or other systems.

3. Installation Above Suspended Ceilings: Do not provide support from ceiling support system. Do not provide support from ceiling grid or allow conduits to lay on ceiling tiles.

4. Use conduit strap to support single surface-mounted conduit.

a. Use clamp back spacer with conduit strap for damp and wet locations to provide space between conduit and mounting surface.


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Project No. 19.001.02 5. Use metal channel (strut) with accessory conduit clamps to support multiple parallel

surface-mounted conduits.

6. Use conduit clamp to support single conduit from beam clamp or threaded rod.

7. Use trapeze hangers assembled from threaded rods and metal channel (strut) with accessory conduit clamps to support multiple parallel suspended conduits.

8. Use of spring steel conduit clips for support of conduits is not permitted.

9. Use of wire for support of conduits is not permitted.

10. Where conduit support intervals specified in NFPA 70 and NECA standards differ, comply with the most stringent requirements.

G. Connections and Terminations:

1. Use approved zinc-rich paint or conduit joint compound on field-cut threads of galvanized steel conduits prior to making connections.

2. Where two threaded conduits must be joined and neither can be rotated, use three-piece couplings or split couplings. Do not use running threads.

3. Use suitable adapters where required to transition from one type of conduit to another.

4. Provide drip loops for liquidtight flexible conduit connections to prevent drainage of liquid into connectors.

5. Terminate threaded conduits in boxes and enclosures using threaded hubs or double lock nuts for dry locations and raintight hubs for wet locations.

6. Provide insulating bushings or insulated throats at all conduit terminations to protect conductors.

7. Secure joints and connections to provide maximum mechanical strength and electrical continuity.

H. Penetrations:

1. Do not penetrate or otherwise notch or cut structural members, including footings and grade beams, without approval of Structural Engineer.

2. Make penetrations perpendicular to surfaces unless otherwise indicated.

3. Provide sleeves for penetrations as indicated or as required to facilitate installation. Set sleeves flush with exposed surfaces unless otherwise indicated or required.

4. Conceal bends for conduit risers emerging above ground.

5. Seal interior of conduits entering the building from underground at first accessible point to prevent entry of moisture and gases.

6. Where conduits penetrate waterproof membrane, seal as required to maintain integrity of membrane.

7. Install firestopping to preserve fire resistance rating of partitions and other elements, using materials and methods specified in Section 07 84 00.

I. Conduit Movement Provisions: Where conduits are subject to movement, provide expansion and expansion/deflection fittings to prevent damage to enclosed conductors or connected equipment. This includes, but is not limited to:

1. Where conduits cross structural joints intended for expansion, contraction, or deflection.

2. Where conduits are subject to earth movement by settlement or frost.

J. Condensation Prevention: Where conduits cross barriers between areas of potential substantial temperature differential, provide sealing fitting or approved sealing compound at


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Project No. 19.001.02 an accessible point near the penetration to prevent condensation. This includes, but is not

limited to:

1. Where conduits pass from outdoors into conditioned interior spaces.

2. Where conduits pass from unconditioned interior spaces into conditioned interior spaces.

K. Provide grounding and bonding in accordance with Section 26 05 26.

3.03 FIELD QUALITY CONTROL A. Repair cuts and abrasions in galvanized finishes using zinc-rich paint recommended by

manufacturer. Replace components that exhibit signs of corrosion.

B. Correct deficiencies and replace damaged or defective conduits.

3.04 CLEANING A. Clean interior of conduits to remove moisture and foreign matter.

3.05 PROTECTION A. Immediately after installation of conduit, use suitable manufactured plugs to provide

protection from entry of moisture and foreign material and do not remove until ready for installation of conductors.

END OF SECTION


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Project No. 19.001.02 SECTION 26 05 33.16

BOXES FOR ELECTRICAL SYSTEMS PART 1 GENERAL 1.01 SECTION INCLUDES

A. Outlet and device boxes up to 100 cubic inches ( 1,650 cu cm ), including those used as junction and pull boxes.

B. Cabinets and enclosures, including junction and pull boxes larger than 100 cubic inches ( 1,650 cu cm ).


B. Section 08 31 00 - Access Doors and Panels: Panels for maintaining access to concealed boxes.

C. Section 26 05 26 - Grounding and Bonding for Electrical Systems.

D. Section 26 05 29 - Hangers and Supports for Electrical Systems.

E. Section 26 05 33.13 - Conduit for Electrical Systems:

1. Conduit bodies and other fittings.

2. Additional requirements for locating boxes to limit conduit length and/or number of bends between pulling points.

F. Section 26 05 53 - Identification for Electrical Systems: Identification products and requirements.

G. Section 26 27 26 - Wiring Devices:

1. Wall plates.


B. NECA 130 - Standard for Installing and Maintaining Wiring Devices 2010.

C. NEMA FB 1 - Fittings, Cast Metal Boxes, and Conduit Bodies for Conduit, Electrical Metallic Tubing, and Cable 2014.

D. NEMA OS 1 - Sheet-Steel Outlet Boxes, Device Boxes, Covers, and Box Supports 2013.

E. NEMA 250 - Enclosures for Electrical Equipment (1000 Volts Maximum) 2018.

F. NFPA 70 - National Electrical Code Most Recent Edition Adopted by Authority Having Jurisdiction, Including All Applicable Amendments and Supplements.

G. UL 50 - Enclosures for Electrical Equipment, Non-Environmental Considerations Current Edition, Including All Revisions.

H. UL 50E - Enclosures for Electrical Equipment, Environmental Considerations Current Edition, Including All Revisions.

I. UL 508A - UL Standard for Safety Industrial Control Panels 2018.

J. UL 514A - Metallic Outlet Boxes Current Edition, Including All Revisions.


1. Coordinate the work with other trades to avoid placement of ductwork, piping, equipment, or other potential obstructions within the dedicated equipment spaces and working clearances for electrical equipment required by NFPA 70.

Unified Building 26 05 33.16 26 05 33.16 - 1Systems Engineering, LLC Boxes for Electrical Systems

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Project No. 19.001.02 2. Coordinate arrangement of electrical equipment with the dimensions and clearance

requirements of the actual equipment to be installed.

3. Coordinate minimum sizes of boxes with the actual installed arrangement of conductors, clamps, support fittings, and devices, calculated according to NFPA 70.

4. Coordinate minimum sizes of pull boxes with the actual installed arrangement of connected conduits, calculated according to NFPA 70.

5. Coordinate the placement of boxes with millwork, furniture, devices, equipment, etc. installed under other sections or by others.

6. Coordinate the work with other trades to preserve insulation integrity.

7. Coordinate the work with other trades to provide walls suitable for installation of flush-mounted boxes where indicated.




B. Project Record Documents: Record actual locations for outlet and device boxes, pull boxes, cabinets and enclosures, floor boxes and underground boxes/enclosures.

C. Maintenance Materials: Furnish the following for Owner's use in maintenance of project.

1. Keys for Lockable Enclosures: Two of each different key.


B. Product Listing Organization Qualifications: An organization recognized by OSHA as a Nationally Recognized Testing Laboratory (NRTL) and acceptable to authorities having jurisdiction.


instructions.

PART 2 PRODUCTS 2.01 BOXES

A. General Requirements:

1. Do not use boxes and associated accessories for applications other than as permitted by NFPA 70 and product listing.

2. Provide all boxes, fittings, supports, and accessories required for a complete raceway system and to accommodate devices and equipment to be installed.

3. Provide products listed, classified, and labeled as suitable for the purpose intended.

4. Where box size is not indicated, size to comply with NFPA 70 but not less than applicable minimum size requirements specified.

5. Provide grounding terminals within boxes where equipment grounding conductors terminate.

B. Outlet and Device Boxes Up to 100 cubic inches ( 1,650 cu cm ), Including Those Used as Junction and Pull Boxes:

1. Use sheet-steel boxes for dry locations unless otherwise indicated or required.


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Project No. 19.001.02 2. Use cast iron boxes or cast aluminum boxes for damp or wet locations unless

otherwise indicated or required; furnish with compatible weatherproof gasketed covers.

3. Use suitable concrete type boxes where flush-mounted in concrete.

4. Use suitable masonry type boxes where flush-mounted in masonry walls.

5. Use raised covers suitable for the type of wall construction and device configuration where required.

6. Use shallow boxes where required by the type of wall construction.

7. Do not use "through-wall" boxes designed for access from both sides of wall.

8. Sheet-Steel Boxes: Comply with NEMA OS 1, and list and label as complying with UL 514A.

9. Cast Metal Boxes: Comply with NEMA FB 1, and list and label as complying with UL 514A; furnish with threaded hubs.

10. Boxes for Ganged Devices: Use multigang boxes of single-piece construction. Do not use field-connected gangable boxes unless specifically indicated or permitted.

11. Minimum Box Size, Unless Otherwise Indicated:

a. Wiring Devices (Other Than Communications Systems Outlets): 4 inch square by 1-1/2 inch deep (100 by 38 mm) trade size.

12. Wall Plates: Comply with Section 26 27 26.

13. Manufacturers:

a. Cooper Crouse-Hinds, a division of Eaton Corporation: www.cooperindustries.com/#sle.

b. Hubbell Incorporated; Bell Products: www.hubbell-rtb.com/#sle.

c. Hubbell Incorporated; RACO Products: www.hubbell-rtb.com/#sle.

d. O-Z/Gedney, a brand of Emerson Electric Co: www.emerson.com/#sle.

e. Thomas & Betts Corporation: www.tnb.com/#sle.

C. Cabinets and Enclosures, Including Junction and Pull Boxes Larger Than 100 cubic inches ( 1,650 cu cm ):

1. Comply with NEMA 250, and list and label as complying with UL 50 and UL 50E, or UL 508A.

2. NEMA 250 Environment Type, Unless Otherwise Indicated:

a. Indoor Clean, Dry Locations: Type 1, painted steel.

b. Outdoor Locations: Type 3R, painted steel.

3. Junction and Pull Boxes Larger Than 100 cubic inches ( 1,650 cu cm ):

a. Provide screw-cover or hinged-cover enclosures unless otherwise indicated.

b. Boxes 6 square feet ( 0.56 sq m ) and Larger: Provide sectionalized screw-cover or hinged-cover enclosures.

4. Cabinets and Hinged-Cover Enclosures, Other Than Junction and Pull Boxes:

a. Provide lockable hinged covers, all locks keyed alike unless otherwise indicated.

b. Back Panels: Painted steel, removable.

c. Terminal Blocks: Provide voltage/current ratings and terminal quantity suitable for purpose indicated, with 25 percent spare terminal capacity.


www.tnb.com/#sle


www.hubbell-rtb.com/#sle

www.hubbell-rtb.com/#sle


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Project No. 19.001.02 5. Finish for Painted Steel Enclosures: Manufacturer's standard grey unless otherwise

indicated.

6. Manufacturers:

a. Cooper B-Line, a division of Eaton Corporation: www.cooperindustries.com/#sle.

b. Hoffman, a brand of Pentair Technical Products: www.hoffmanonline.com/#sle.

c. Hubbell Incorporated; Wiegmann Products: www.hubbell-wiegmann.com/#sle.



B. Verify that mounting surfaces are ready to receive boxes.



B. Install boxes in accordance with NECA 1 (general workmanship) and, where applicable, NECA 130, including mounting heights specified in those standards where mounting heights are not indicated.

C. Arrange equipment to provide minimum clearances in accordance with manufacturer's instructions and NFPA 70.

D. Provide separate boxes for emergency power and normal power systems.

E. Unless otherwise indicated, provide separate boxes for line voltage and low voltage systems.

F. Unless otherwise indicated, boxes may be surface-mounted where exposed conduits are indicated or permitted.

G. Box Locations:

1. Locate boxes to be accessible. Provide access panels in accordance with Section 08 31 00 as required where approved by the Architect.

2. Unless dimensioned, box locations indicated are approximate.

3. Locate boxes as required for devices installed under other sections or by others.

4. Unless otherwise indicated, where multiple outlet boxes are installed at the same location at different mounting heights, install along a common vertical center line.

H. Box Supports:

1. Secure and support boxes in accordance with NFPA 70 and Section 26 05 29 using suitable supports and methods approved by the authority having jurisdiction.

2. Provide independent support from building structure except for cast metal boxes (other than boxes used for fixture support) supported by threaded conduit connections in accordance with NFPA 70. Do not provide support from piping, ductwork, or other systems.

3. Installation Above Suspended Ceilings: Do not provide support from ceiling grid or ceiling support system.

I. Install boxes plumb and level.

J. Flush-Mounted Boxes:

1. Install boxes in noncombustible materials such as concrete, tile, gypsum, plaster, etc. so that front edge of box or associated raised cover is not set back from finished


www.hubbell-wiegmann.com/#sle

www.hoffmanonline.com/#sle


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Project No. 19.001.02 surface more than 1/4 inch ( 6 mm ) or does not project beyond finished surface.

2. Install boxes in combustible materials such as wood so that front edge of box or associated raised cover is flush with finished surface.

3. Repair rough openings around boxes in noncombustible materials such as concrete, tile, gypsum, plaster, etc. so that there are no gaps or open spaces greater than 1/8 inch ( 3 mm ) at the edge of the box.

K. Install boxes as required to preserve insulation integrity.

L. Install permanent barrier between ganged wiring devices when voltage between adjacent devices exceeds 300 V.

M. Install firestopping to preserve fire resistance rating of partitions and other elements, using materials and methods specified in Section 07 84 00.

N. Close unused box openings.

O. Install blank wall plates on junction boxes and on outlet boxes with no devices or equipment installed or designated for future use.

P. Provide grounding and bonding in accordance with Section 26 05 26.

Q. Identify boxes in accordance with Section 26 05 53.

3.03 CLEANING A. Clean interior of boxes to remove dirt, debris, plaster and other foreign material.

3.04 PROTECTION A. Immediately after installation, protect boxes from entry of moisture and foreign material until

ready for installation of conductors.

END OF SECTION


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IDENTIFICATION FOR ELECTRICAL SYSTEMS PART 1 GENERAL 1.01 SECTION INCLUDES

A. Electrical identification requirements.

B. Identification nameplates and labels.

C. Wire and cable markers.

D. Warning signs and labels.

1.02 RELATED REQUIREMENTS A. Section 26 05 19 - Low-Voltage Electrical Power Conductors and Cables: Color coding for

power conductors and cables 600 V and less; vinyl color coding electrical tape.

1.03 REFERENCE STANDARDS A. ANSI Z535.2 - American National Standard for Environmental and Facility Safety Signs

2011.

B. ANSI Z535.4 - American National Standard for Product Safety Signs and Labels 2011.

C. NFPA 70 - National Electrical Code Most Recent Edition Adopted by Authority Having Jurisdiction, Including All Applicable Amendments and Supplements.

D. NFPA 70E - Standard for Electrical Safety in the Workplace 2018.

E. UL 969 - Marking and Labeling Systems Current Edition, Including All Revisions.


1. Verify final designations for equipment, systems, and components to be identified prior to fabrication of identification products.

B. Sequencing:

1. Do not conceal items to be identified, in locations such as above suspended ceilings, until identification products have been installed.

2. Do not install identification products until final surface finishes and painting are complete.


by product testing agency. Include instructions for storage, handling, protection, examination, preparation and installation of product.


1.07 FIELD CONDITIONS A. Do not install adhesive products when ambient temperature is lower than recommended by

manufacturer.

PART 2 PRODUCTS 2.01 IDENTIFICATION REQUIREMENTS

A. Existing Work: Unless specifically excluded, identify existing elements to remain that are not already identified in accordance with specified requirements.

B. Identification for Equipment: 26 05 53 Unified Building Identification for Electrical 26 05 53 - 1Systems Engineering, LLC Systems

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Project No. 19.001.02 1. Use identification nameplate to identify each piece of electrical distribution and control

equipment and associated sections, compartments, and components.

a. Switchboards:

1) Identify ampere rating.

2) Identify voltage and phase.

3) Identify power source and circuit number. Include location when not within sight of equipment.

4) Use identification nameplate to identify main overcurrent protective device.

5) Use identification nameplate to identify load(s) served for each branch device. Do not identify spares and spaces.

b. Panelboards:




4) Identify main overcurrent protective device. Use identification label for panelboards with a door. For power distribution panelboards without a door, use identification nameplate.

5) Use typewritten circuit directory to identify load(s) served for panelboards with a door. Identify spares and spaces using pencil.

6) For power panelboards without a door, use identification nameplate to identify load(s) served for each branch device. Do not identify spares and spaces.

c. Transformers:

1) Identify kVA rating.

2) Identify voltage and phase for primary and secondary.


4) Identify load(s) served. Include location when not within sight of equipment.

d. Enclosed switches, circuit breakers and motor controllers:



3) Identify load(s) served. Include location when not within sight of equipment.

e. Enclosed Contactors:



3) Identify configuration, e.g., E.O.E.H. (electrically operated, electrically held) or E.O.M.H. (electrically operated, mechanically held).

4) Identify coil voltage.

5) Identify load(s) and associated circuits controlled. Include location.

26 05 53 Unified Building Identification for Electrical 26 05 53 - 2Systems Engineering, LLC Systems

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Project No. 19.001.02 2. Use identification nameplate to identify switchboards and panelboards utilizing a high

leg delta system in accordance with NFPA 70.

3. Use identification nameplate to identify disconnect location for equipment with remote disconnecting means.

4. Use identification label or handwritten text using indelible marker on inside of door at each fused switch to identify required NEMA fuse class and size.

5. Use identification label or handwritten text using indelible marker on inside of door at each motor controller to identify nameplate horsepower, full load amperes, code letter, service factor, voltage, and phase of motor(s) controlled.

6. Arc Flash Hazard Warning Labels: Use warning labels to identify arc flash hazards for electrical equipment, such as switchboards, panelboards, industrial control panels, meter socket enclosures, and motor control centers that are likely to require examination, adjustment, servicing, or maintenance while energized.

a. Minimum Size: 3.5 by 5 inches ( 89 mm by 127 mm ).

b. Legend: Include orange header that reads "WARNING", followed by the word message "Arc Flash and Shock Hazard; Appropriate PPE Required; Do not operate controls or open covers without appropriate personal protection equipment; Failure to comply may result in injury or death; Refer to NFPA 70E for minimum PPE requirements" or approved equivalent.

C. Identification for Conductors and Cables:

1. Color Coding for Power Conductors 600 V and Less: Comply with Section 26 05 19.

2. Use wire and cable markers to identify circuit number or other designation indicated for power, control, and instrumentation conductors and cables at the following locations:

a. At each source and load connection.

b. Within boxes when more than one circuit is present.

c. Within equipment enclosures when conductors and cables enter or leave the enclosure.

D. Identification for Boxes:

1. Use identification labels or handwritten text using indelible marker to identify circuits enclosed.

2.02 IDENTIFICATION NAMEPLATES AND LABELS A. Identification Nameplates:

1. Manufacturers:

a. Brimar Industries, Inc: www.brimar.com/#sle.

b. Kolbi Pipe Marker Co: www.kolbipipemarkers.com/#sle.

c. Seton Identification Products: www.seton.com/#sle.

2. Materials:

a. Indoor Clean, Dry Locations: Use plastic nameplates.

b. Outdoor Locations: Use plastic, stainless steel or aluminum nameplates suitable for exterior use.

3. Plastic Nameplates: Two-layer or three-layer laminated acrylic or electrically non-conductive phenolic with beveled edges; minimum thickness of 1/16 inch ( 1.6 mm ); engraved text.


www.seton.com/#sle

www.kolbipipemarkers.com/#sle

www.brimar.com/#sle

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Project No. 19.001.02 4. Stainless Steel Nameplates: Minimum thickness of 1/32 inch ( 0.8 mm ); engraved or

laser-etched text.

5. Aluminum Nameplates: Anodized; minimum thickness of 1/32 inch ( 0.8 mm ); engraved or laser-etched text.

6. Mounting Holes for Mechanical Fasteners: Two, centered on sides for sizes up to 1 inch ( 25 mm ) high; Four, located at corners for larger sizes.

B. Identification Labels:

1. Manufacturers:

a. Brady Corporation: www.bradyid.com/#sle.

b. Brother International Corporation: www.brother-usa.com/#sle.

c. Panduit Corp: www.panduit.com/#sle.

2. Materials: Use self-adhesive laminated plastic labels; UV, chemical, water, heat, and abrasion resistant.

a. Use only for indoor locations.

3. Text: Use factory pre-printed or machine-printed text. Do not use handwritten text unless otherwise indicated.

C. Format for Equipment Identification:

1. Minimum Size: 1 inch ( 25 mm ) by 2.5 inches ( 64 mm ).

2. Legend:

a. Equipment designation or other approved description.

3. Text: All capitalized unless otherwise indicated.

4. Minimum Text Height:

a. Equipment Designation: 1/2 inch ( 13 mm ).

5. Color:

a. Normal Power System: White text on black background.

2.03 WIRE AND CABLE MARKERS A. Manufacturers:

1. Brady Corporation: www.bradyid.com/#sle.

2. HellermannTyton: www.hellermanntyton.com/#sle.

3. Panduit Corp: www.panduit.com/#sle.

B. Markers for Conductors and Cables: Use wrap-around self-adhesive vinyl cloth, wrap-around self-adhesive vinyl self-laminating, heat-shrink sleeve, plastic sleeve, plastic clip-on or vinyl split sleeve type markers suitable for the conductor or cable to be identified.

C. Markers for Conductor and Cable Bundles: Use plastic marker tags secured by nylon cable ties.

D. Legend: Power source and circuit number or other designation indicated.

E. Text: Use factory pre-printed or machine-printed text, all capitalized unless otherwise indicated.

F. Minimum Text Height: 1/8 inch ( 3 mm ).

G. Color: Black text on white background unless otherwise indicated.

2.04 WARNING SIGNS AND LABELS


www.panduit.com/#sle

www.hellermanntyton.com/#sle

www.bradyid.com/#sle

www.panduit.com/#sle

www.brother-usa.com/#sle

www.bradyid.com/#sle

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Project No. 19.001.02 A. Manufacturers:

1. Brimar Industries, Inc: www.brimar.com/#sle.

2. Clarion Safety Systems, LLC: www.clarionsafety.com/#sle.

3. Seton Identification Products: www.seton.com/#sle.

B. Comply with ANSI Z535.2 or ANSI Z535.4 as applicable.

C. Warning Signs:

1. Materials:

a. Indoor Dry, Clean Locations: Use factory pre-printed rigid plastic or self-adhesive vinyl signs.

b. Outdoor Locations: Use factory pre-printed rigid aluminum signs.

2. Rigid Signs: Provide four mounting holes at corners for mechanical fasteners.

3. Minimum Size: 7 by 10 inches ( 178 by 254 mm ) unless otherwise indicated.

D. Warning Labels:

1. Materials: Use factory pre-printed or machine-printed self-adhesive polyester or self-adhesive vinyl labels; UV, chemical, water, heat, and abrasion resistant; produced using materials recognized to UL 969.

a. Do not use labels designed to be completed using handwritten text.

2. Machine-Printed Labels: Use thermal transfer process printing machines and accessories recommended by label manufacturer.

3. Minimum Size: 2 by 4 inches ( 51 mm by 102 mm ) unless otherwise indicated.


A. Clean surfaces to receive adhesive products according to manufacturer's instructions.


B. Install identification products to be plainly visible for examination, adjustment, servicing, and maintenance. Unless otherwise indicated, locate products as follows:

1. Surface-Mounted Equipment: Enclosure front.

2. Flush-Mounted Equipment: Inside of equipment door.

3. Free-Standing Equipment: Enclosure front; also enclosure rear for equipment with rear access.

4. Elevated Equipment: Legible from the floor or working platform.

5. Branch Devices: Adjacent to device.

6. Interior Components: Legible from the point of access.

7. Boxes: Outside face of cover.

8. Conductors and Cables: Legible from the point of access.

C. Install identification products centered, level, and parallel with lines of item being identified.

D. Secure nameplates to exterior surfaces of enclosures using stainless steel screws and to interior surfaces using self-adhesive backing or epoxy cement.

E. Install self-adhesive labels and markers to achieve maximum adhesion, with no bubbles or wrinkles and edges properly sealed.


www.seton.com/#sle

www.clarionsafety.com/#sle

www.brimar.com/#sle

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Project No. 19.001.02 F. Secure rigid signs using stainless steel screws.

G. Mark all handwritten text, where permitted, to be neat and legible.

3.03 FIELD QUALITY CONTROL A. Replace self-adhesive labels and markers that exhibit bubbles, wrinkles, curling or other

signs of improper adhesion.

END OF SECTION


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WIRING CONNECTIONS PART 1 GENERAL 1.01 SECTION INCLUDES

A. Electrical connections to equipment.

1.02 RELATED REQUIREMENTS A. Section 26 05 19 - Low-Voltage Electrical Power Conductors and Cables.

B. Section 26 05 33.13 - Conduit for Electrical Systems.

C. Section 26 05 33.16 - Boxes for Electrical Systems.

D. Section 26 28 16.16 - Enclosed Switches.

E. Section 26 29 13 - Enclosed Controllers.

1.03 REFERENCE STANDARDS A. NFPA 70 - National Electrical Code Most Recent Edition Adopted by Authority Having

Jurisdiction, Including All Applicable Amendments and Supplements.


1. Obtain and review shop drawings, product data, manufacturer's wiring diagrams, and manufacturer's instructions for equipment furnished under other sections.

2. Determine connection locations and requirements.

B. Sequencing:

1. Install rough-in of electrical connections before installation of equipment is required.

2. Make electrical connections before required start-up of equipment.




B. Products: Listed, classified, and labeled as suitable for the purpose intended.


PART 2 PRODUCTS 2.01 MATERIALS

A. Disconnect Switches: As specified in Section 26 28 16.16 and in individual equipment sections.

B. Flexible Conduit: As specified in Section 26 05 33.13.

C. Wire and Cable: As specified in Section 26 05 19.

D. Boxes: As specified in Section 26 05 33.16.


Unified Building 26 05 83 26 05 83 - 1Systems Engineering, LLC Wiring Connections

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Project No. 19.001.02 A. Verify that equipment is ready for electrical connection, wiring, and energization.

3.02 ELECTRICAL CONNECTIONS A. Make electrical connections in accordance with equipment manufacturer's instructions.

B. Make conduit connections to equipment using flexible conduit. Use liquidtight flexible conduit with watertight connectors in damp or wet locations.

C. Connect heat producing equipment using wire and cable with insulation suitable for temperatures encountered.

D. Provide receptacle outlet to accommodate connection with attachment plug.

E. Install suitable strain-relief clamps and fittings for cord connections at outlet boxes and equipment connection boxes.

F. Install disconnect switches, controllers, control stations, and control devices to complete equipment wiring requirements.

G. Install terminal block jumpers to complete equipment wiring requirements.

H. Install interconnecting conduit and wiring between devices and equipment to complete equipment wiring requirements.

END OF SECTION

Unified Building 26 05 83 26 05 83 - 2Systems Engineering, LLC Wiring Connections

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LOW-VOLTAGE TRANSFORMERS PART 1 GENERAL 1.01 SECTION INCLUDES

A. General purpose transformers.

1.02 RELATED REQUIREMENTS A. Section 03 30 00 - Cast-in-Place Concrete: Concrete equipment pads.

B. Section 26 05 26 - Grounding and Bonding for Electrical Systems.

C. Section 26 05 29 - Hangers and Supports for Electrical Systems.

D. Section 26 05 33.13 - Conduit for Electrical Systems: Flexible conduit connections.

E. Section 26 05 53 - Identification for Electrical Systems: Identification products and requirements.

F. Section 26 24 16 - Panelboards.

1.03 REFERENCE STANDARDS A. 10 CFR 431, Subpart K - Energy Efficiency Program for Certain Commercial and Industrial

Equipment - Distribution Transformers Current Edition.

B. IEEE C57.94 - IEEE Recommended Practice for Installation, Application, Operation, and Maintenance of Dry-Type Distribution and Power Transformers 2015.

C. IEEE C57.96 - IEEE Standard Guide for Loading Dry-Type Distribution and Power Transformers 2013.

D. NECA 1 - Standard for Good Workmanship in Electrical Construction 2015.

E. NECA 409 - Standard for Installing and Maintaining Dry-Type Transformers 2015.

F. NEMA ST 20 - Dry-Type Transformers for General Applications 2014.

G. NEMA 250 - Enclosures for Electrical Equipment (1000 Volts Maximum) 2018.

H. NETA ATS - Acceptance Testing Specifications for Electrical Power Equipment and Systems 2017.

I. NFPA 70 - National Electrical Code Most Recent Edition Adopted by Authority Having Jurisdiction, Including All Applicable Amendments and Supplements.

J. UL 506 - Standard for Specialty Transformers Current Edition, Including All Revisions.

K. UL 1561 - Standard for Dry-Type General Purpose and Power Transformers Current Edition, Including All Revisions.


1. Coordinate the work with other trades to avoid placement of ductwork, piping, equipment, or other potential obstructions within the dedicated equipment spaces and working clearances required by NFPA 70.

2. Coordinate arrangement of electrical equipment with the dimensions and clearance requirements of the actual equipment to be installed.

3. Coordinate the work with placement of supports, anchors, etc. required for mounting.

4. Verify with manufacturer that conductor terminations are suitable for use with the conductors to be installed.

Unified Building 26 22 00 26 22 00 - 1Systems Engineering, LLC Low-Voltage Transformers

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Project No. 19.001.02 5. Notify Architect of any conflicts with or deviations from Contract Documents. Obtain

direction before proceeding with work.

1.05 SUBMITTALS A. Source Quality Control Test Reports: Include reports for tests designated in NEMA ST 20

as design and routine tests.

B. Field Quality Control Test Reports.

C. Manufacturer's Installation Instructions: Indicate application conditions and limitations of use stipulated by product testing agency. Include instructions for storage, handling, protection, examination, preparation, and installation of product.

D. Maintenance Data: Include recommended maintenance procedures and intervals.

E. Project Record Documents: Record actual locations of transformers.






B. Handle in accordance with manufacturer's written instructions. Lift only with lugs provided for the purpose. Handle carefully to avoid damage to transformer internal components, enclosure, and finish.

1.08 FIELD CONDITIONS A. Ambient Temperature: Do not exceed the following maximum temperatures during and after

installation of transformers.

1. Greater than 10 kVA: 104 degrees F ( 40 degrees C ) maximum.

2. Less than 10 kVA: 77 degrees F ( 25 degrees C ) maximum.


A. Schneider Electric; Square D Products: www.schneider-electric.us/#sle.

B. Source Limitations: Furnish transformers produced by the same manufacturer as the other electrical distribution equipment used for this project and obtained from a single supplier.

2.02 TRANSFORMERS - GENERAL REQUIREMENTS A. Description: Factory-assembled, dry type transformers for 60 Hz operation designed and

manufactured in accordance with NEMA ST 20 and listed, classified, and labeled as suitable for the purpose intended.

B. Unless noted otherwise, transformer ratings indicated are for continuous loading according to IEEE C57.96 under the following service conditions:

1. Altitude: Less than 3,300 feet ( 1,000 m ).

2. Ambient Temperature:


www.schneider-electric.us/#sle

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Project No. 19.001.02 a. Greater than 10 kVA: Not exceeding 104 degrees F ( 40 degrees C ).

b. Less than 10 kVA: Not exceeding 77 degrees F ( 25 degrees C ).

C. Core: High grade, non-aging silicon steel with high magnetic permeability and low hysteresis and eddy current losses. Keep magnetic flux densities substantially below saturation point, even at 10 percent primary overvoltage. Tightly clamp core laminations to prevent plate movement and maintain consistent pressure throughout core length.

D. Impregnate core and coil assembly with non-hydroscopic thermo-setting varnish to effectively seal out moisture and other contaminants.

E. Basic Impulse Level: 10 kV.

F. Ground core and coil assembly to enclosure by means of a visible flexible copper grounding strap.

G. Isolate core and coil from enclosure using vibration-absorbing mounts.

H. Nameplate: Include transformer connection data, ratings, wiring diagrams, and overload capacity based on rated winding temperature rise.

2.03 GENERAL PURPOSE TRANSFORMERS A. Description: Self-cooled, two winding transformers listed and labeled as complying with UL

506 or UL 1561; ratings as indicated on the drawings.

B. Primary Voltage: 480 volts delta, 3 phase.

C. Secondary Voltage: 208Y/120 volts, 3 phase.

D. Insulation System and Allowable Average Winding Temperature Rise:

1. Less than 15 kVA: Class 180 degrees C insulation system with 115 degrees C average winding temperature rise.

2. 15 kVA and Larger: Class 220 degrees C insulation system with 150 degrees C average winding temperature rise.

E. Coil Conductors: Continuous copper windings with terminations brazed or welded.

F. Winding Taps:

1. Less than 3 kVA: None.

2. 3 kVA through 15 kVA: Two 5 percent full capacity primary taps below rated voltage.

3. 15 kVA through 300 kVA: Two 2.5 percent full capacity primary taps above and four 2.5 percent full capacity primary taps below rated voltage.

4. 500 kVA and Larger: Two 2.5 percent full capacity primary taps above and two 2.5 percent full capacity primary taps below rated voltage.

G. Energy Efficiency: Comply with 10 CFR 431, Subpart K.

H. Sound Levels: Standard sound levels complying with NEMA ST 20

I. Mounting Provisions:

1. Less than 15 kVA: Suitable for wall mounting.

2. 15 kVA through 75 kVA: Suitable for wall, floor or trapeze mounting.

3. Larger than 75 kVA: Suitable for floor mounting.

J. Transformer Enclosure: Comply with NEMA ST 20.

1. Environment Type per NEMA 250: Unless otherwise indicated, as specified for the following installation locations:

a. Indoor clean, dry locations: Type 2.


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Project No. 19.001.02 2. Construction: Steel.

a. Less than 15 kVA: Totally enclosed, non-ventilated.

b. 15 kVA and Larger: Ventilated.

3. Finish: Manufacturer's standard grey, suitable for outdoor installations.

4. Provide lifting eyes or brackets.

K. Accessories:

1. Mounting Brackets: Provide manufacturer's standard brackets.

2. Lug Kits: Sized as required for termination of conductors as indicated on the drawings.

2.04 SOURCE QUALITY CONTROL A. Factory test transformers according to NEMA ST 20.

B. Sound Level Tests: Perform factory test designated in NEMA ST 20 as "design" test on each production unit.



B. Verify that suitable support frames and anchors are installed where required and that mounting surfaces are ready to receive transformers.

C. Perform pre-installation tests and inspections on transformers per manufacturer's instructions and as specified in NECA 409. Correct deficiencies prior to installation.


3.02 INSTALLATION A. Perform work in accordance with NECA 1 (general workmanship).


C. Install transformers in accordance with NECA 409 and IEEE C57.94.

D. Use flexible conduit, under the provisions of Section 26 05 33.13, 2 feet ( 600 mm ) minimum length, for connections to transformer case. Make conduit connections to side panel of enclosure.

E. Arrange equipment to provide minimum clearances as specified on transformer nameplate and in accordance with manufacturer's instructions and NFPA 70.

F. Install transformers plumb and level.

G. Transformer Support:

1. Provide required support and attachment in accordance with Section 26 05 29, where not furnished by transformer manufacturer.

2. Use integral transformer flanges, accessory brackets furnished by manufacturer or field-fabricated supports to support wall-mounted transformers.

3. Unless otherwise indicated, mount floor-mounted transformers on properly sized 3 inch ( 80 mm ) high concrete pad constructed in accordance with Section 03 30 00.

4. Use trapeze hangers assembled from threaded rods and metal channel (strut) to support suspended transformers. Provide independent support from building structure. Do not provide support from piping, ductwork, or other systems.

H. Provide grounding and bonding in accordance with Section 26 05 26.


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Project No. 19.001.02 I. Remove shipping braces and adjust bolts that attach the core and coil mounting bracket to

the enclosure according to manufacturer's recommendations in order to reduce audible noise transmission.

J. Where not factory-installed, install lugs sized as required for termination of conductors as indicated.

K. Identify transformers in accordance with Section 26 05 53.


B. Perform inspections and tests listed in NETA ATS Sections 7.2.1.1 and 7.2.1.2. Tests and inspections listed as optional are not required.

3.04 ADJUSTING A. Measure primary and secondary voltages and make appropriate tap adjustments.

B. Adjust tightness of mechanical and electrical connections to manufacturer's recommended torque settings.

3.05 CLEANING A. Clean dirt and debris from transformer components according to manufacturer's

instructions.

B. Repair scratched or marred exterior surfaces to match original factory finish.

END OF SECTION


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Project No. 19.001.02 SECTION 26 24 16 PANELBOARDS


A. Lighting and appliance panelboards.

B. Overcurrent protective devices for panelboards.

1.02 RELATED REQUIREMENTS A. Section 26 05 26 - Grounding and Bonding for Electrical Systems.

B. Section 26 05 29 - Hangers and Supports for Electrical Systems.

C. Section 26 05 53 - Identification for Electrical Systems: Identification products and requirements.

D. Section 26 22 00 - Low-Voltage Transformers: Small power centers with integral primary breaker, transformer, and panelboard.

1.03 REFERENCE STANDARDS A. FS W-C-375 - Circuit Breakers, Molded Case; Branch Circuit and Service 2013e (Amended

2017).

B. NECA 1 - Standard for Good Workmanship in Electrical Construction 2015.

C. NECA 407 - Standard for Installing and Maintaining Panelboards 2015.

D. NEMA 250 - Enclosures for Electrical Equipment (1000 Volts Maximum) 2018.

E. NEMA PB 1 - Panelboards 2011.

F. NEMA PB 1.1 - General Instructions for Proper Installation, Operation and Maintenance of Panelboards Rated 600 Volts or Less 2013.

G. NETA ATS - Acceptance Testing Specifications for Electrical Power Equipment and Systems 2017.

H. NFPA 70 - National Electrical Code Most Recent Edition Adopted by Authority Having Jurisdiction, Including All Applicable Amendments and Supplements.

I. UL 50 - Enclosures for Electrical Equipment, Non-Environmental Considerations Current Edition, Including All Revisions.

J. UL 50E - Enclosures for Electrical Equipment, Environmental Considerations Current Edition, Including All Revisions.

K. UL 67 - Panelboards Current Edition, Including All Revisions.

L. UL 489 - Molded-Case Circuit Breakers, Molded-Case Switches and Circuit Breaker Enclosures Current Edition, Including All Revisions.


1. Coordinate the work with other trades to avoid placement of ductwork, piping, equipment, or other potential obstructions within the dedicated equipment spaces and working clearances for electrical equipment required by NFPA 70.


3. Coordinate the work with other trades to provide walls suitable for installation of flush-mounted panelboards where indicated.

Unified Building 26 24 16 26 24 16 - 1Systems Engineering, LLC Panelboards

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Project No. 19.001.02 4. Verify with manufacturer that conductor terminations are suitable for use with the

conductors to be installed.


1.05 SUBMITTALS A. Source Quality Control Test Reports: Include reports for tests designated in NEMA PB 1 as

routine tests.


C. Manufacturer's Installation Instructions: Indicate application conditions and limitations of use stipulated by product testing agency. Include instructions for storage, handling, protection, examination, preparation, and installation of product.

D. Project Record Documents: Record actual installed locations of panelboards and actual installed circuiting arrangements.

E. Maintenance Data: Include information on replacement parts and recommended maintenance procedures and intervals.

F. Maintenance Materials: Furnish the following for Owner's use in maintenance of project.

1. Panelboard Keys: Two of each different key.




1.07 DELIVERY, STORAGE, AND HANDLING A. Receive, inspect, handle, and store panelboards in accordance with manufacturer's

instructions and NECA 407.

B. Store in a clean, dry space. Maintain factory wrapping or provide an additional heavy canvas or heavy plastic cover to protect units from dirt, water, construction debris, and traffic.

C. Handle carefully in accordance with manufacturer's written instructions to avoid damage to panelboard internal components, enclosure, and finish.

1.08 FIELD CONDITIONS A. Maintain ambient temperature within the following limits during and after installation of

panelboards:

1. Panelboards Containing Circuit Breakers: Between 23 degrees F ( -5 degrees C ) and 104 degrees F ( 40 degrees C ).



B. Source Limitations: Furnish panelboards and associated components produced by the same manufacturer as the other electrical distribution equipment used for this project and obtained from a single supplier.

2.02 PANELBOARDS - GENERAL REQUIREMENTS



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Project No. 19.001.02 A. Provide products listed, classified, and labeled as suitable for the purpose intended.

B. Unless otherwise indicated, provide products suitable for continuous operation under the following service conditions:

1. Altitude: Less than 6,600 feet ( 2,000 m ).

2. Ambient Temperature:

a. Panelboards Containing Circuit Breakers: Between 23 degrees F ( -5 degrees C ) and 104 degrees F ( 40 degrees C ).

C. Short Circuit Current Rating:

1. Provide panelboards with listed short circuit current rating not less than the available fault current at the installed location as indicated on the drawings.

D. Mains: Configure for top or bottom incoming feed as indicated or as required for the installation.

E. Branch Overcurrent Protective Devices: Replaceable without disturbing adjacent devices.

F. Bussing: Sized in accordance with UL 67 temperature rise requirements.

1. Provide fully rated neutral bus unless otherwise indicated, with a suitable lug for each feeder or branch circuit requiring a neutral connection.

2. Provide solidly bonded equipment ground bus in each panelboard, with a suitable lug for each feeder and branch circuit equipment grounding conductor.

G. Conductor Terminations: Suitable for use with the conductors to be installed.

H. Enclosures: Comply with NEMA 250, and list and label as complying with UL 50 and UL 50E.


a. Indoor Clean, Dry Locations: Type 1.

2. Boxes: Galvanized steel unless otherwise indicated.

a. Provide wiring gutters sized to accommodate the conductors to be installed.

b. Provide painted steel boxes for surface-mounted panelboards where indicated, finish to match fronts.

3. Fronts:

a. Fronts for Surface-Mounted Enclosures: Same dimensions as boxes.

b. Fronts for Flush-Mounted Enclosures: Overlap boxes on all sides to conceal rough opening.

c. Finish for Painted Steel Fronts: Manufacturer's standard grey unless otherwise indicated.

4. Lockable Doors: All locks keyed alike unless otherwise indicated.

I. Future Provisions: Prepare all unused spaces for future installation of devices including bussing, connectors, mounting hardware and all other required provisions.

2.03 LIGHTING AND APPLIANCE PANELBOARDS A. Description: Panelboards complying with NEMA PB 1, lighting and appliance branch circuit

type, circuit breaker type, and listed and labeled as complying with UL 67; ratings, configurations and features as indicated on the drawings.

B. Conductor Terminations:


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Project No. 19.001.02 1. Main and Neutral Lug Material: Aluminum, suitable for terminating aluminum or copper

conductors.

2. Main and Neutral Lug Type: Mechanical.

C. Bussing:

1. Phase Bus Connections: Arranged for sequential phasing of overcurrent protective devices.

2. Phase and Neutral Bus Material: Copper.

3. Ground Bus Material: Copper.

D. Circuit Breakers: Thermal magnetic bolt-on type unless otherwise indicated.

E. Enclosures:

1. Provide surface-mounted or flush-mounted enclosures as indicated.

2. Fronts: Provide door-in-door trim with hinged cover for access to load terminals and wiring gutters, and separate lockable hinged door with concealed hinges for access to overcurrent protective device handles without exposing live parts.

3. Provide clear plastic circuit directory holder mounted on inside of door.

2.04 OVERCURRENT PROTECTIVE DEVICES A. Molded Case Circuit Breakers:

1. Description: Quick-make, quick-break, over center toggle, trip-free, trip-indicating circuit breakers listed and labeled as complying with UL 489, and complying with FS W-C-375 where applicable; ratings, configurations, and features as indicated on the drawings.

2. Interrupting Capacity:

a. Provide circuit breakers with interrupting capacity as required to provide the short circuit current rating indicated, but not less than:

1) 10,000 rms symmetrical amperes at 240 VAC or 208 VAC.

b. Fully Rated Systems: Provide circuit breakers with interrupting capacity not less than the short circuit current rating indicated.

3. Conductor Terminations:

a. Provide mechanical lugs unless otherwise indicated.

b. Lug Material: Aluminum, suitable for terminating aluminum or copper conductors.

4. Thermal Magnetic Circuit Breakers: For each pole, furnish thermal inverse time tripping element for overload protection and magnetic instantaneous tripping element for short circuit protection.

5. Multi-Pole Circuit Breakers: Furnish with common trip for all poles.

6. Do not use tandem circuit breakers.

7. Do not use handle ties in lieu of multi-pole circuit breakers.

8. Provide multi-pole circuit breakers for multi-wire branch circuits as required by NFPA 70.

2.05 SOURCE QUALITY CONTROL A. Factory test panelboards according to NEMA PB 1.



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Project No. 19.001.02 A. Verify that field measurements are as indicated.

B. Verify that the ratings and configurations of the panelboards and associated components are consistent with the indicated requirements.

C. Verify that mounting surfaces are ready to receive panelboards.


3.02 INSTALLATION A. Perform work in accordance with NECA 1 (general workmanship).


C. Install panelboards in accordance with NECA 407 and NEMA PB 1.1.

D. Arrange equipment to provide minimum clearances in accordance with manufacturer's instructions and NFPA 70.

E. Provide required support and attachment in accordance with Section 26 05 29.

F. Install panelboards plumb.

G. Install flush-mounted panelboards so that trims fit completely flush to wall with no gaps and rough opening completely covered.

H. Mount panelboards such that the highest position of any operating handle for circuit breakers or switches does not exceed 79 inches ( 2000 mm ) above the floor or working platform.

I. Provide grounding and bonding in accordance with Section 26 05 26.

1. Terminate branch circuit equipment grounding conductors on solidly bonded equipment ground bus only. Do not terminate on isolated/insulated ground bus.

J. Install all field-installed branch devices, components, and accessories.

K. Multi-Wire Branch Circuits: Group grounded and ungrounded conductors together in the panelboard as required by NFPA 70.

L. Provide filler plates to cover unused spaces in panelboards.

M. Identify panelboards in accordance with Section 26 05 53.


B. Molded Case Circuit Breakers: Perform inspections and tests listed in NETA ATS, Section 7.6.1.1 for all main circuit breakers and circuit breakers larger than [_____] amperes. Tests listed as optional are not required.

C. Correct deficiencies and replace damaged or defective panelboards or associated components.

3.04 ADJUSTING A. Adjust tightness of mechanical and electrical connections to manufacturer's recommended

torque settings.

B. Adjust alignment of panelboard fronts.

3.05 CLEANING A. Clean dirt and debris from panelboard enclosures and components according to



END OF SECTION


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FUSES PART 1 GENERAL 1.01 SECTION INCLUDES

A. Fuses.

1.02 RELATED REQUIREMENTS A. Section 26 05 53 - Identification for Electrical Systems: Identification products and

requirements.

B. Section 26 29 13 - Enclosed Controllers: Fusible switches.

1.03 REFERENCE STANDARDS A. NEMA FU 1 - Low Voltage Cartridge Fuses 2012.

B. NFPA 70 - National Electrical Code Most Recent Edition Adopted by Authority Having Jurisdiction, Including All Applicable Amendments and Supplements.

C. UL 248-1 - Low-Voltage Fuses - Part 1: General Requirements Current Edition, Including All Revisions.

D. UL 248-12 - Low-Voltage Fuses - Part 12: Class R Fuses Current Edition, Including All Revisions.


1. Coordinate fuse clips furnished in equipment provided under other sections for compatibility with indicated fuses.

a. Fusible Switches for Enclosed Motor Controllers: See Section 26 29 13.

2. Coordinate fuse requirements according to manufacturer's recommendations and nameplate data for actual equipment to be installed.


1.05 SUBMITTALS A. Maintenance Materials: Furnish the following for Owner's use in maintenance of project.

1. Extra Fuses: One set(s) of three for each type and size installed.

2. Fuse Pullers: One set(s) compatible with each type and size installed.





A. Bussmann, a division of Eaton Corporation: www.cooperindustries.com/#sle.

B. Littelfuse, Inc: www.littelfuse.com/#sle.

2.02 APPLICATIONS

Unified Building 26 28 13 26 28 13 - 1Systems Engineering, LLC Fuses

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Project No. 19.001.02 A. Individual Motor Branch Circuits: Class RK1, time-delay.

2.03 FUSES A. Provide products listed, classified, and labeled as suitable for the purpose intended.

B. Unless specifically indicated to be excluded, provide fuses for all fusible equipment as required for a complete operating system.

C. Provide fuses of the same type, rating, and manufacturer within the same switch.

D. Comply with UL 248-1.

E. Unless otherwise indicated, provide cartridge type fuses complying with NEMA FU 1, Class and ratings as indicated.

F. Voltage Rating: Suitable for circuit voltage.

G. Class R Fuses: Comply with UL 248-12.

H. Provide the following accessories where indicated or where required to complete installation:

1. Fuseholders: Compatible with indicated fuses.

2. Fuse Reducers: For adapting indicated fuses to permit installation in switch designed for fuses with larger ampere ratings.


A. Verify that fuse ratings are consistent with circuit voltage and manufacturer's recommendations and nameplate data for equipment.

B. Verify that conditions are satisfactory for installation prior to starting work.

3.02 INSTALLATION A. Do not install fuses until circuits are ready to be energized.

B. Install fuses with label oriented such that manufacturer, type, and size are easily read.

END OF SECTION

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ENCLOSED CONTROLLERS PART 1 GENERAL 1.01 SECTION INCLUDES

A. Enclosed NEMA controllers for low-voltage (600 V and less) applications:

1. Magnetic motor starters.

B. Overcurrent protective devices for motor controllers, including overload relays.

C. Control accessories:

1. Auxiliary contacts.

2. Pilot devices.

3. Control and timing relays.

1.02 RELATED REQUIREMENTS A. Section 26 05 26 - Grounding and Bonding for Electrical Systems.

B. Section 26 05 29 - Hangers and Supports for Electrical Systems.

C. Section 26 05 53 - Identification for Electrical Systems: Identification products and requirements.

D. Section 26 28 13 - Fuses: Fuses for fusible switches.


B. NEMA 250 - Enclosures for Electrical Equipment (1000 Volts Maximum) 2018.

C. NEMA ICS 2 - Industrial Control and Systems Controllers, Contactors and Overload Relays Rated 600 Volts 2000, with Errata (2008).

D. NEMA ICS 5 - Industrial Control and Systems: Control Circuit and Pilot Devices 2017.

E. NEMA ICS 6 - Industrial Control and Systems: Enclosures 1993 (Reaffirmed 2016).

F. NEMA KS 1 - Heavy Duty Enclosed and Dead-Front Switches (600 Volts Maximum) 2013.

G. NETA ATS - Acceptance Testing Specifications for Electrical Power Equipment and Systems 2017.

H. NFPA 70 - National Electrical Code Most Recent Edition Adopted by Authority Having Jurisdiction, Including All Applicable Amendments and Supplements.

I. UL 98 - Enclosed and Dead-Front Switches Current Edition, Including All Revisions.

J. UL 60947-1 - Low-Voltage Switchgear and Controlgear - Part 1: General Rules Current Edition, Including All Revisions.

K. UL 60947-4-1 - Low-Voltage Switchgear and Controlgear - Part 4-1: Contactors and Motor-starters - Electromechanical Contactors and Motor-starters Current Edition, Including All Revisions.


1. Coordinate the work with other trades to avoid placement of ductwork, piping, equipment, or other potential obstructions within the dedicated equipment spaces and working clearances required by NFPA 70.

2. Coordinate the work to provide motor controllers and associated overload relays suitable for use with the actual motors to be installed.

Unified Building 26 29 13 26 29 13 - 1Systems Engineering, LLC Enclosed Controllers

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Project No. 19.001.02 3. Coordinate the work to provide controllers and associated wiring suitable for interface

with control devices to be installed.


5. Verify with manufacturer that conductor terminations are suitable for use with the conductors to be installed.





C. Project Record Documents: Record actual installed locations of controllers and final equipment settings.

1. Include nameplate data of actual installed motors and associated overload relay selections and settings.

2. Motor Circuit Protectors: Include magnetic instantaneous trip settings.

D. Maintenance Data: Include information on replacement parts and recommended maintenance procedures and intervals.

E. Maintenance Materials: Furnish the following for Owner's use in maintenance of project.

1. See Section 01 60 00 - Product Requirements, for additional provisions.

2. Indicating Lights: Two of each different type.






B. Handle carefully in accordance with manufacturer's written instructions to avoid damage to internal components, enclosure, and finish.

1.08 FIELD CONDITIONS A. Maintain field conditions within required service conditions during and after installation.



B. Source Limitations: Furnish enclosed motor controllers and associated components produced by a single manufacturer and obtained from a single supplier.



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Project No. 19.001.02 2.02 ENCLOSED CONTROLLERS

A. Provide enclosed controller assemblies consisting of all required components, control power transformers, instrumentation and control wiring, accessories, etc. as necessary for a complete operating system.

B. Provide products listed, classified, and labeled as suitable for the purpose intended.

C. Description: Enclosed controllers complying with NEMA ICS 2, and listed and labeled as complying with UL 60947-1 and UL 60947-4-1; ratings, configurations and features as indicated on the drawings.

D. Service Conditions:

1. Provide controllers and associated components suitable for operation under the following service conditions without derating:

a. Altitude:

1) Class 1 Km Equipment (devices utilizing power semiconductors, e.g. variable frequency controllers): Less than 3,300 feet ( 1,000 m ).

2) Class 2 Km Equipment (electromagnetic and manual devices): Less than 6,600 feet ( 2,000 m ).

b. Ambient Temperature: Between 32 degrees F ( 0 degrees C ) and 104 degrees F ( 40 degrees C ).

2. Provide controllers and associated components suitable for operation at indicated ratings under the service conditions at the installed location.

E. Conductor Terminations: Suitable for use with the conductors to be installed.

F. Enclosures:

1. Comply with NEMA ICS 6.


a. Indoor Clean, Dry Locations: Type 1 or Type 12.

3. Finish: Manufacturer's standard unless otherwise indicated.

G. Magnetic Motor Starters: Combination type unless otherwise indicated.

1. Combination Magnetic Motor Starters: NEMA ICS 2, Class A combination motor controllers with magnetic contactor(s), externally operable disconnect and overload relay(s).

2. Configuration: Full-voltage non-reversing unless otherwise indicated.

3. Minimum Starter Size: NEMA Size 0.

4. Use of non-standard starter sizes smaller than specified standard NEMA sizes is not permitted.

5. Disconnects: Disconnect switch type.

a. Disconnect Switches: Fusible type unless otherwise indicated.

b. Provide externally operable handle with means for locking in the OFF position. Provide safety interlock to prevent opening the cover with the disconnect in the ON position with capability of overriding interlock for testing purposes.

c. Provide auxiliary interlock for disconnection of external control power sources where applicable.

6. Overload Relays: Solid-state type unless otherwise indicated.


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Project No. 19.001.02 7. Pilot Devices Required:

a. Furnish local pilot devices for each unit as specified below unless otherwise indicated on drawings.

b. Single-Speed, Non-Reversing Starters:

1) Pushbuttons: START-STOP.

2) Selector Switches: HAND/OFF/AUTO.

3) Indicating Lights: Red ON, Green OFF.

2.03 OVERCURRENT PROTECTIVE DEVICES A. Overload Relays:

1. Provide overload relays and, where applicable, associated current elements/heaters, selected according to actual installed motor nameplate data, in accordance with manufacturer's recommendations and NFPA 70; include consideration for motor service factor and ambient temperature correction, where applicable.

2. Inverse-Time Trip Class Rating: Class 20 unless otherwise indicated or required.

3. Trip-free operation.

4. Visible trip indication.

5. Resettable.

a. Employ manual reset unless otherwise indicated.

b. Do not employ automatic reset with two-wire control.

6. Solid-State Overload Relays:

a. Selectable inverse-time trip class rating; available ratings of Class 10, 20, and 30, minimum.

b. Adjustable full load current.

c. Phase loss protection.

d. Phase imbalance protection.

e. Ground fault protection.

f. Ambient temperature insensitive.

g. Thermal memory.

h. Trip test function.

i. Provide isolated alarm contact.

B. Fusible Disconnect Switches:

1. Description: Quick-make, quick-break, dead-front fusible switch units complying with NEMA KS 1, and listed and labeled as complying with UL 98; ratings, configurations, and features as indicated on the drawings.

2. Fuse Clips: As required to accept indicated fuses.

a. Where NEMA Class R fuses are installed, provide rejection feature to prevent installation of fuses other than Class R.

3. Provide externally operable handle with means for locking in the OFF position. Provide means for locking switch cover in the closed position. Provide safety interlock to prevent opening the cover with the switch in the ON position with capability of overriding interlock for testing purposes.

2.04 CONTROL ACCESSORIES


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Project No. 19.001.02 A. Auxiliary Contacts:


2. Provide number and type of contacts indicated or required to perform necessary functions, including holding (seal-in) circuit and interlocking, plus one normally open (NO) and one normally closed (NC) spare contact for each magnetic motor starter, minimum.

B. Pilot Devices:

1. Comply with NEMA ICS 5; heavy-duty type.

2. Pushbuttons: Unless otherwise indicated, provide momentary, non-illuminated type with flush button operator; normally open or normally closed as indicated or as required.

3. Selector Switches: Unless otherwise indicated, provide maintained, non-illuminated type with knob operator; number of switch positions as indicated or as required.

4. Indicating Lights: Push-to-test type unless otherwise indicated.

5. Provide LED lamp source for indicating lights and illuminated devices.

C. Control and Timing Relays:


2. Provide number and type of relays indicated or required to perform necessary functions.



B. Verify that ratings of enclosed controllers are consistent with the indicated requirements.

C. Verify that mounting surfaces are ready to receive enclosed controllers.



B. Install controllers in accordance with NECA 1 (general workmanship).

C. Arrange equipment to provide minimum clearances in accordance with manufacturer's instructions and NFPA 70.

D. Provide required support and attachment in accordance with Section 26 05 29.

E. Install enclosed controllers plumb and level.

F. Provide grounding and bonding in accordance with Section 26 05 26.

G. Install all field-installed devices, components, and accessories.

H. Provide fuses complying with Section 26 28 13 for fusible switches as indicated.

I. Where accessories are not self-powered, provide control power source as indicated or as required to complete installation.

J. Set field-adjustable controllers and associated components according to installed motor requirements, in accordance with manufacturer's recommendations and NFPA 70.

K. Identify enclosed controllers in accordance with Section 26 05 53.



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Project No. 19.001.02 B. Motor Starters: Perform inspections and tests listed in NETA ATS, Section 7.16.1.1. Tests

listed as optional are not required.

1. Verify motor-running protection.

2. Perform insulation-resistance tests on all control wiring with respect to ground.

C. Fusible Switches: Perform inspections and tests listed in NETA ATS, Section 7.5.1.1.

D. Correct deficiencies and replace damaged or defective enclosed controllers or associated components.

E. Submit detailed reports indicating inspection and testing results and corrective actions taken.

3.04 ADJUSTING A. Adjust tightness of mechanical and electrical connections to manufacturer's recommended

torque settings.

3.05 CLEANING A. Clean dirt and debris from controller enclosures and components according to



3.06 CLOSEOUT ACTIVITIES A. Demonstration: Demonstrate proper operation of controllers to Owner, and correct

deficiencies or make adjustments as directed.

B. Training: Train Owner's personnel on operation, adjustment, and maintenance of enclosed controllers and associated devices.

1. Use operation and maintenance manual as training reference, supplemented with additional training materials as required.

3.07 PROTECTION A. Protect installed enclosed controllers from subsequent construction operations.

END OF SECTION


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