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Technical Specification Table of Contents Page 1 E E S I Benton County Public Works 12/9/2015 Rebid CD Set Benton County Courthouse Chiller Replacement Division 01 General Requirements 01 23 00 Substitution Procedures 01 33 00 Submittal Procedures 01 50 00 Temporary Facilities & Controls 01 73 29 Cutting & Patching 01 74 00 Cleaning & Waste Management 01 77 00 Closeout Procedures Division 02 Existing Conditions 02 41 00 Demolition Division 07 - Thermal & Moisture Protection 07 72 00 Manufactured Curbs Division 23 Heating, Ventilation, & Air Conditioning 23 01 00 Basic Mechanical Materials & Methods 23 05 00 Heating, Ventilation, & Air Conditioning 23 05 93 Testing, Adjusting, & Balancing 23 07 00 Mechanical Insulation 23 09 00 Building Automation System Alternate #2 Division 26 Electrical 26 01 00 Basic Electrical Requirements 26 05 19 Conductors and Cables 26 05 33 Raceways & Boxes 26 05 48 Vibration & Seismic Control for Electrical Systems 26 05 53 Identification for Electrical Systems 26 24 16 Panelboards 26 27 26 Wiring Devices 26 28 00 Low Voltage Circuit Protective Devices 26 90 50 Changes to Existing Work

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Technical Specification Table of Contents

Page 1

E E S I Benton County Public Works 12/9/2015 – Rebid CD Set Benton County Courthouse Chiller Replacement

Division 01 – General Requirements 01 23 00 Substitution Procedures 01 33 00 Submittal Procedures 01 50 00 Temporary Facilities & Controls 01 73 29 Cutting & Patching 01 74 00 Cleaning & Waste Management 01 77 00 Closeout Procedures Division 02 – Existing Conditions 02 41 00 Demolition Division 07 - Thermal & Moisture Protection 07 72 00 Manufactured Curbs Division 23 – Heating, Ventilation, & Air Conditioning 23 01 00 Basic Mechanical Materials & Methods 23 05 00 Heating, Ventilation, & Air Conditioning 23 05 93 Testing, Adjusting, & Balancing 23 07 00 Mechanical Insulation 23 09 00 Building Automation System – Alternate #2 Division 26 – Electrical 26 01 00 Basic Electrical Requirements 26 05 19 Conductors and Cables 26 05 33 Raceways & Boxes 26 05 48 Vibration & Seismic Control for Electrical Systems 26 05 53 Identification for Electrical Systems 26 24 16 Panelboards 26 27 26 Wiring Devices 26 28 00 Low Voltage Circuit Protective Devices 26 90 50 Changes to Existing Work

Substitution Procedures 01 25 00-1

E E S I Benton County Public Works 12/9/2015 – Rebid CD Set Benton County Courthouse Chiller Replacement

PART 1 - GENERAL 1.1 DESCRIPTION

A. This section specifies general requirements for the Work in relation to substitutions and product options.

B. Work related to this Section is specified in other sections. Other sections of

these specifications also apply even though not described here. 1.2 REQUESTS FOR SUBSTITUTIONS

A. Requests for substitution of products in place of those specified shall be as specified herein.

1.3 CONTRACTOR'S RESPONSIBILITIES

A. Investigate proposed products and determine that they are equal or superior in all respects to products specified.

B. Provide same guarantee for accepted substitutions as for products specified.

C. Coordinate installation of accepted substitutions into the Work, making such

changes as may be required for the Work to be complete in all respects. PART 2 - REQUIREMENTS 2.1 SUBSTITUTION REQUIREMENTS DURING THE BIDDING PERIOD

A. Accompany written substitution requests with samples, catalog cuts, and complete technical data pertinent to the request. Include any other data the Engineer may require. Incomplete data will be cause for rejection of the request. No verbal acceptance will be given and all acceptable substitutions will be listed by the Engineer in the form of Addenda issued before the Bid date. All requests for substitutions are subject to complete compliance with requirements of the Contract Documents.

B. Submit two (2) copies of the following information with each request to the

Engineer: 1. Use substitution request form at end of this Section. 2. Itemized comparison of proposed substitution with product or method

specified. 3. Complete data on each material and system for this project only,

substantiating compliance of proposed substitution with the Contract Documents.

4. Complete evidence, including test numbers and supporting reports, indicating compliance with referenced standards.

Substitution Procedures 01 25 00-2

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5. A statement from the materials manufacturers stating that warrantee requirements specified are acceptable and that such a warrantee shall be issued upon successful completion of the project.

6. A set of details for this project clearly indicating specific deviations proposed for the substitution. Copies of the Drawings and Details within this Project Manual shall be used for this purpose. Any and all deviations shall be indicated.

7. Copies of related specification sections within the Project Manual clearly marked to indicate all deviations in materials, products and methods specified. Any and all deviations shall be indicated.

8. Samples of all materials and products included accessories, anchors, and similar items.

C. All substitution requests shall be received in the Owner's office no less than ten

(10) calendar days before Bid Opening. Requests received after this date will not be considered.

2.2 SUBSTITUTIONS REQUESTED AFTER AWARD OF CONTRACT

A. Substitutions will normally not be considered after date of contract, except when required, due to unforeseen circumstances. Within a period of thirty (30) days after date of Contract, the Owner may, at its option, consider formal written requests for substitution of products in place of those specified, when submitted in accordance with the requirements stipulated herein. To receive consideration, one or more of the following conditions must be documented in any such request. 1. The substitution is required for compliance with final interpretation of code

requirements or insurance regulations. 2. The substitution is required due to unavailability of a specified product,

through no fault of the Contractor. 3. The substitution is required because subsequent information disclosed

the inability of the specified product to perform properly or to fit in the designated space.

4. The substitution is required because it has become clearly evident, in the judgment of the Owner, that a substitute would be substantially in the best interest of the Owner in terms of cost, time, or other considerations.

2.3 SUBSTITUTIONS NOT PERMITTED

A. They are indicated or implied on shop drawings or product data submitted without first requesting approval thereof in accordance with requirements of this Section.

B. Acceptance will require substantial revision of the Contract Documents, except

as allowed by Paragraph 2.2, above.

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2.4 PRODUCT OPTIONS

A. The specified products establish minimum qualities that substitutes shall meet to be considered acceptable. All requests for substitution are subject to complete compliance with requirements of the Contract Documents.

B. Wherever the term "or approved" appears in these Specifications, the

substitution shall be obtained by the bidder prior to the Bid date for Engineer's evaluation and approval. Bidders shall submit written requests for substitution upon request of the Engineer (Substitution Request Form at end of this Section).

C. Products Specified by Reference Standards or by Description Only:

1. May use any product meeting those standards. 2. For products specified by association or trade standards, comply with

requirements of the standard, except when more rigid requirements are specified or are required by applicable codes.

D. Products Specified by Naming One or More Manufacturers with a Provision for

Substitution: 1. May request substitution for any manufacturer not specifically named. 2. Request may be written or via electronic media, as directed by the

Engineer.

E. Products Specified by Naming Several Manufacturers with “or approved”: 1. Products of named manufacturers meeting Specifications; others require

prior Bid approval.

F. Products Specified by Naming Only One Manufacturer: 1. No option; no substitution allowed.

G. For products specified by association or trade standards, comply with

requirements of the standard, except when more rigid requirements are specified or are required by applicable codes.

Substitution Procedures 01 25 00-4

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SUBSTITUTION REQUEST FORM To:

Project:

Specified Item: Section / Page / Paragraph / Description The undersigned requests consideration of the following Proposed Substitution:

Attached data includes product description, specifications, drawings, photographs, performance and test data adequate for evaluation of the request; applicable portions of the data are clearly identified.

Attached data also includes description of changes to Contract Documents which proposed substitution will require for its proper installation.

The undersigned states that the following paragraphs, unless modified on attachments, are correct: 1. The proposed substitution does not affect dimensions shown on Drawings.

2. The undersigned will pay for changes to the building design, including engineering design, detailing and construction costs caused by the requested substitution.

3. The proposed substitution will have no adverse affect on other trades, the construction schedule, or specified warranty requirements.

4. Maintenance and service parts will be locally available for the proposed substitution. The undersigned further states that the function, appearance and quality of the proposed substitution are equivalent or superior to the Specified Item. Submitted by: For use by Design Consultant or District: Firm: Accepted Accepted as noted

Address: Not Accepted Received too late

By:

By: Date: Please type or print name & title Remarks:

Signature: Phone:

Date: Attachments:

Substitution Procedures 01 25 00-5

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END OF SECTION

Submittal Procedures 01 33 00-1

E E S I Benton County Public Works 12/9/2015 – Rebid CD Set Benton County Courthouse Chiller Replacement

PART 1 - GENERAL

A. Work related to this Section is specified in other sections. Other sections of these Specifications also apply even though not described here.

1.2 DESCRIPTION

A. Submit, to the Engineer, project documentation required by Specification sections.

B. Refer to Section 01 25 00 for substitution options.

1.3 SUBMITTALS

A. List of all sub-contractors, to include name(s) of principals, telephone number and Scope of Work to be performed by that sub-contractor.

B. Weekly work schedule for all Work to be completed under this Contract.

C. Manufacturer's catalog sheets, brochures, diagrams, schedules, performance

charts, illustrations and other standard descriptive data. Clearly mark each copy to identify pertinent materials, products, or models. Show dimensions and clearances required, performance characteristics, capacities, wiring diagrams, and controls.

1.4 CONTRACTOR'S RESPONSIBILITIES

A. The Contractor shall review and approve shop drawings and project data prior to submission.

B. Begin no work which requires submittals until return of submittals with Engineer's

stamp, initials, or signature indicating approval.

C. Delays caused by Contractor's failure to fully comply with requirements of this Section will not justify extensions in the construction schedule. Submittals which indicate less than full review by Contractor will be returned by Engineer for compliance.

D. Shop drawings; showing installation and necessary clearances and access of

equipment and materials in new work or existing structure.

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E. The Contractor shall verify field measurements, field construction criteria, catalog numbers, and similar data. Coordinate each submittal with requirements of Work and of Contract Documents. Notify Engineer, in writing at time of submission, of deviations in submittals from requirements of Contract Documents. Contractor's responsibility for errors and omissions in submittals is not relieved by Engineer's review of submittals, nor is the responsibility for deviations in submittals from requirements of Contract Documents relieved by Engineer's review of submittals unless Engineer gives written acceptance of specific deviations.

1.5 SUBMITTAL SCHEDULING

A. Process submittals in ample time for review, as applicable, so as to not delay the Work. All submittals shall be received by the Owner within ten (10) days after pre-construction conference.

B. Submittals shall be sent to the Owner at least 15 calendar days before the date each is required for fabrication or installation for items requiring review by the Owner only.

C. Submittals involving Substitution Requests or other modifications requiring

review by the Owner and/or the Owner's consultants shall be sent to the Owner at least 20 calendar days before the date each is required for fabrication or installation.

1.6 SUBMISSION REQUIREMENT

A. Submit three (3) copies of shop drawings and project data which Contractor requires for distribution, including one (1) copy to be retained by Engineer.

B. Accompany Submittals with dated transmittal letter containing Project title and

number, Contractor's name and address, the number of each Shop Drawing, Project Data submitted, other pertinent data and notification of any deviations from Contract Documents.

C. Submittals shall include current date, revision dates, Project title, and the names

of the Engineer, Contractor, Supplier, and Manufacturer. Also include identification of product or material, relation to adjacent structure or materials, field dimensions (clearly identified as such) and any deviations from the Contract Documents.

D. The Contractor shall initial or sign the submittals, certifying to review of submittal,

verification of field measurements and compliance with Contract Documents. 1.7 DISTRIBUTION OF SUBMITTALS AFTER APPROVAL

A. Distribute approved copies of Shop Drawings and Project Data to Contractor's file, Engineer, subcontractors, supplier, and Owner.

Submittal Procedures 01 33 00-3

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1.8 ENGINEER'S DUTIES

A. Review submittals with reasonable promptness, for adherence to design concept of Project and information given in Contract Documents. Review of separate item does not constitute review of an assembly in which item functions.

B. Engineer will affix stamp and initials, or sign, to certify review of submittal and

then will return submittals to Contractor for distribution.

C. Engineers approval of submittals do not supersede the Plans and Specification requirements. Equipment not meeting design criteria is to be replaced at Contractors or suppliers cost. Any omission of equipment or materials in the submittals, but necessary for the work must be furnished and installed.

1.9 AS-BUILT DRAWINGS

A. Contractor is to maintain one set of marked drawings showing all clarifications, deviations and actual routing and nomenclature for documentation of actual installation. Upon completion of the Project, submit as-built drawings to Engineer. Engineer will provide Owner with revised record drawings obtained from Contractor's marked construction drawing set.

1.10 DEFINITIONS

A. The Owner will mark reviewed materials as follows: 1. "No Exception Taken," which means fabrication, manufacture and/or

installation may proceed. 2. "Make Revisions Noted," which means fabrication, manufacture and/or

installation may proceed with revisions as noted. 3. "Revise and Resubmit," which means that fabrication, manufacture and/or

installation may not proceed. 4. "Rejected," which means do not proceed; make arrangements for the re-

review of the proposed Work with the Owner as soon as possible. PART 2 - PRODUCTS 2.1 SUBMITTAL CONTENT AND FORMAT

A. General Requirements: 1. Shop Drawings:

a. Submit one (1) reproducible drawing and three (3) prints of each drawing.

2. Product Data: a. Submit 3 copies.

Submittal Procedures 01 33 00-4

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B. Submittals shall include: 1. Date and revision dates, return date requested. 2. Project title and number. 3. The names of the Contractor, subcontractor, supplier, and manufacturer. 4. Identification of product or material, with Specification Section number. 5. Relation to adjacent critical features of work or materials. 6. Field dimensions, clearly identified as such. 7. Applicable standards, such as ASTM number or Federal Specification. 8. Identification of deviations from Contact Documents, and for products,

accompanied by Substitution Request as required. 9. Contractor's stamp, legibly signed, essentially as follows:

a. The undersigned, acting on behalf of the Contractor, certifies that this submittal has been reviewed and is approved; products have been verified as being as specified, field measurements and field construction criteria have been or will be coordinated, and the submittal is in compliance with Contract documents.

C. Re-submission Requirements:

1. Revise initial drawings as required and resubmit as specified for initial submittal.

2. Indicate on drawings any changes which have been made other than those requested by the Owner or the Owner's consultants.

3. The Owner may return without review any submittal not meeting the requirements listed above.

D. Shop Drawings:

1. Present data in a clear and thorough manner. 2. Details shall be identified by reference to sheet and detail, schedule or

room numbers shown on Contract Documents. 3. Structural items shall be identified by location in the completed structure. 4. Identify details by reference to contract sheet and detail numbers. 5. Minimum sheet Size: 8½" x 11"

E. Product Data:

1. Manufacturer's catalog sheets, brochures, diagrams, schedules, performance charts, illustrations and other standard descriptive data. a. Clearly mark each copy to identify pertinent product or models b. Show dimensions, weights, and clearances required. c. Show performance data consisting of capabilities, power ratings,

pressure drops, design characteristics and consumption; conforming as closely as possible to the test methods referenced in the plans and specifications.

d. Show wiring or piping diagrams an controls.

F. Manufacturer's standard schematic drawings and diagrams: 1. Modify to delete information which is not applicable. 2. Supplement standard information to provide information specifically

applicable to project.

Submittal Procedures 01 33 00-5

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PART 3 - EXECUTION 3.1 GENERAL REQUIREMENTS

A. Review submittals, make necessary corrections, and become familiar with the content of the submittals prior to turning the material over to the Owner. Mark each item with a stamp or by some other means to indicate that such is the case.

B. Accompany submittals with a transmittal letter bearing the Project name,

Contractor's name, number of items, and other pertinent data.

C. Mark or tag each submittal to show the date, and the names of the Project, Contractor, or subcontractor, manufacturer or supplier, and separate detailer, if pertinent. Also, identify the Specification section where the particular item is specified in the Project Manual.

D. Keep one copy of each reviewed submittal on the job site at all times.

3.2 SPECIFIC REQUIREMENTS, SHOP DRAWINGS

A. Identify shop drawing details by reference to sheet and detail numbers shown on the Drawings.

B. Unless otherwise specified in an individual Specification section, submit one

reproducible transparency, and three prints of each shop drawing.

C. Be responsible for obtaining and distributing prints of shop drawings to the various suppliers, and the Owner once approval is obtained. Make prints of reviewed shop drawings only from transparencies which carry the appropriate stamp and endorsement.

3.3 SPECIFIC REQUIREMENTS, SAMPLES

A. Insure that samples are of sufficient size to indicate the general visual effect or color. Where samples must show a range of color, texture, finish, graining, or other property, submit sets of pairs illustrating the full scope of this range.

B. One (1) sample or one (1) set of approved samples will be retained by the

Owner; final work will be measured against approved samples. 3.4 SPECIFIC REQUIREMENTS, PRODUCT DATA

A. Modify standard product data to delete information which is not applicable to this project. Supply additional data, if required to show clearly what is intended.

Submittal Procedures 01 33 00-6

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B. Modify manufacturer's catalog sheets, brochures, diagrams, schedules, performance charts, illustrations, and other standard descriptive data to show the specific product application intended for the Project.

C. Unless otherwise specified in an individual specification section, submit three (3)

copies of each submittal item.

END OF SECTION

Temporary Facilities & Controls 01 50 00-1

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PART 1 - GENERAL 1.1 DESCRIPTION

A. This Section specifies requirements for temporary services and facilities, including utilities, construction and support facilities, security and protection.

1.2 REQUIREMENTS OF REGULATORY AGENCIES

A. Regulations: 1. Comply with industry standards and applicable laws and regulations of

authorities having jurisdiction.

B. Standards: 1. Comply with:

a. NFPA Code 241, "Building Construction and Demolition Operations"

b. ANSI-A10 Series standards for "Safety Requirements for Construction and Demolition".

C. Electrical Service:

1. Comply with: a. NEMA b. NECA c. UL standards and regulations for temporary electric service.

2. Install service in compliance with National Electric Code (NFPA 70).

D. Inspections: 1. Arrange for authorities having jurisdiction to inspect and test each

temporary utility before use. 2. Obtain required certifications and permits if required.

1.3 PROJECT CONDITIONS

A. Temporary Utilities: 1. Prepare a schedule indicating dates for implementation and termination of

each temporary utility. 2. At the earliest feasible time, when acceptable to the Owner, change over

from use of temporary service to use of the permanent service.

B. Conditions of Use: 1. Keep temporary services and facilities clean and neat in appearance. 2. Operate in a safe and efficient manner. 3. Take necessary fire prevention measures. 4. Do not overload facilities or permit them to interfere with progress. 5. Do not allow hazardous, dangerous or unsanitary conditions, or public

nuisances to develop or persist on the site.

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1.4 PROTECTION

A. Protect sidewalks, asphalt paving, concrete, trees, shrubs, and lawn areas at all times from spillage of materials used in carrying out the Work. Prevent materials from clogging catch basins and yard drains; leave drains clean and in proper working condition.

B. Clean, repair, resurface, or restore existing surfaces to their original, or better,

condition, or completely replace such surfaces to match existing, where damaged by construction operations.

C. The Owner will not be responsible for protection of materials or equipment from

vandalism or theft. Security is the responsibility of the Contractor.

D. Debris shall not be allowed to remain around the buildings during performance of Work, but shall be disposed of as rapidly as it accumulates. On completion of Work, the buildings and grounds shall be left in a condition that is equal to or better than original condition. In case of failure to do so, the Owner may remove rubbish and charge the cost to the Contractor.

E. The Contractor shall manage a safe job environment for both the safety of all the

people around the Work site as well as the safety of the Owner's and general public's property.

F. The Contractor shall provide and maintain suitable barricades, shelters, lights,

and danger signals during the progress of the Work. They shall meet the requirements of the local building code and OSHA.

G. Do not store materials where they will interfere with operations of Owner.

Storage of materials will be as agreed upon with the Owner and normally will avoid interference with Owner's normal operations or public passage. Storage areas must be approved by the Owner's Representative prior to start of project.

PART 2 - PRODUCTS 2.1 TEMPORARY UTILITIES

A. Electrical service for the project over 20 amp 120V circuits shall be the responsibility of the Contractor, with the Owner's approval. Coordinate with the Owner's Representative.

2.2 TEMPORARY SUPPORT FACILITIES

A. Temporary Sanitary Facilities: Provide and maintain an adequate number of facilities for the use of all persons employed on the Work during construction.

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B. Temporary Heat and Ventilation: 1. As necessary, provide:

a. Temporary heat and ventilation required by construction activities, for curing or drying of completed installations or protection of installed construction from adverse effects of low temperatures or high humidity.

b. Select safe equipment that will not have a harmful effect on completed installations or elements being installed.

c. Coordinate ventilation requirements to produce the ambient condition required and minimize consumption of energy.

C. Telephone Equipment:

1. Owner telephones may not be used to make telephone calls.

D. Provide lifting devices necessary for the proper and efficient movement of materials; provide operating personnel for equipment as required. Allow use of all hoisting equipment on project during "off-hours" for the cost of the workers involved.

E. Do not interrupt any existing service. Prior request and approval of the Owner's

Representative will enable the Owner to shut down any utility required by the Work. Contractor's employees shall not shut down utilities.

2.3 FIRE SAFETY

A. Abide by all fire safety requirements for buildings under construction, alteration or demolition as required by Article 87, of the International Fire Code as adopted by the State of Oregon.

B. An emergency telephone shall be provided on site. Cellular telephone

equipment is acceptable.

C. Fire Suppression Equipment: 1. Install and maintain temporary fire protection facilities of the types needed

to protect against reasonably predictable and controllable fire losses. 2. Comply with:

a. NFPA 10 "Standard for Portable Fire Extinguishers" b. NFPA 241 "Standard for Safeguarding Construction, Alterations

and Demolition Operations".

D. Maintain equipment in working condition with current inspection certificate attached to each.

E. Locate fire extinguishers where convenient and effective for their intended

purpose, but not less than one extinguisher on each floor at or near each usable stairwell.

F. Store combustible materials in containers in fire-safe locations.

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G. Maintain unobstructed access to fire extinguishers, fire hydrants, temporary fire protection facilities, stairways, and other access routes for fighting fires. Prohibit smoking inside the building and in hazardous fire exposure areas.

H. Provide supervision of welding operations, combustion type temporary heating

units, and similar sources of fire ignition. PART 3 - EXECUTION 3.1 PREPARATION

A. Consult with Owner to review jobsite areas required for field offices, material storage and stockpiles, equipment storage, access to different locations, etc.

3.2 PERFORMANCE

A. Confine equipment, apparatus, and storage of material to work limits. The Owner will not be responsible for protection of materials and equipment from damage, pilfering, etc.

B. Install temporary facilities in such a manner that the installed work will not be

damaged.

C. Do not use facilities of existing building unless authorized in writing by the Owner.

D. Keep facilities well maintained.

E. Relocate temporary facilities as required during job progress.

F. At Substantial Completion, clean and renovate permanent facilities that have

been used during the construction period, including but not limited to: 1. Replace air filters and clean inside of ductwork and housings. 2. Replace significantly worn parts and parts that have been subject to

unusual operating conditions.

END OF SECTION

Cutting and Patching 01 73 29-1

E E S I Benton County Public Works 12/9/2015 – Rebid CD Set Benton County Courthouse Chiller Replacement

PART 1 - GENERAL

A. Work related to this Section is specified in other sections. Other sections of these Specifications also apply even though not described here.

B. The existing structure is historical. Any modifications shall be cleared by the

Owner. 1.1 DESCRIPTION

A. Execute cutting, fitting, or patching of work required to install specified Work in existing construction.

1.2 SUBMITTALS

A. Prior to cutting which affects structural safety of Project or Work of another Contractor, request consent to proceed with cutting by submitting written notice to Engineer and Owner. Include: 1. Identification of work 2. Location and description of affected work 3. Necessity for cutting or alteration 4. Effect on other Work or structural integrity of Project

B. Submit written request 72 hours in advance of cutting or alteration which affects:

1. Structural integrity of any element of Project. 2. Integrity of weather-exposed or moisture-resistant element. 3. Efficiency, maintenance, or safety of any operational element. 4. Visual qualities of sight-exposed elements.

C. Describe proposed Work and designate scope of:

1. Cutting and patching 2. Subcontractor and trades to execute work 3. Products to be used 4. Extent of refinishing 5. Alternatives to cutting and patching.

a. Designate party responsible for cost of cutting and patching.

D. Provide scheduling for each part of the Work to Engineer and Owner's Representative.

E. Should conditions of Work or schedule require change of materials or methods,

submit written recommendations to Engineer and Owner's Representative, including conditions requiring change, recommendations for alternative materials or methods, cost variances, and submittals as required for substitutions before proceeding with work.

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PART 2 - PRODUCTS 2.1 MATERIALS

A. For replacement of materials, comply with Specifications for type of material to be replaced.

PART 3 - EXECUTION 3.1 INSPECTION

A. Inspect existing conditions of Work including elements subject to movement or damage during cutting or patching. After uncovering Work, inspect conditions affecting installation of new products.

3.2 PREPARATION

A. Prior to cutting, provide shoring, bracing, and support as required to maintain structural integrity of Project. Provide protection from elements for other portions of Project.

3.3 PERFORMANCE

A. Execute fitting and adjustment of products to provide finished installation conforming with specified tolerances. Execute cutting and demolition by methods which will prevent damage and provide proper surfaces to receive installation of repairs and new Work.

B. Restore Work which has been cut or removed; install new products to provide

completed Work in accordance with requirements of Contract Documents. Refinish entire surface as necessary to provide an even finish and color to blend with adjacent surfaces. Refinish assemblies in entirety.

C. Locate structural members accurately before cutting. Cut rigid materials using

masonry saw or core drill. Pneumatic tools not allowed without prior approval. Do not over-cut corners.

D. At penetrations of fire-rated wall, ceiling, or floor construction, completely seal

voids with material approved by applicable codes for the full thickness of the construction element.

E. Refinish exposed surfaces altered by Contract Work to blend with adjacent

finishes and to match existing construction.

END OF SECTION

Cleaning & Waste Management 01 74 00-1

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PART 1 - GENERAL

A. Work related to this Section is specified in other sections. Other sections of these Specifications also apply even though not described here.

1.1 DESCRIPTION

A. Maintain Owner's property and public properties free from accumulations of waste, debris and rubbish caused by operations. Remove waste materials from work areas at the end of each working day. The occupied areas must be kept clean to minimize disruption to occupants. Coordinate with Owner should any operation or equipment become hazardous to staff or customers to allow staff to take necessary precautionary measures.

B. Areas that will be inaccessible after completion of Project shall be left free of

debris before space is closed in.

C. Workers shall exercise caution to avoid marring, soiling, or otherwise defacing, finished surfaces. Clean and restore defaced surfaces to original condition.

D. Clean up immediately following completion of each trade's work.

E. At completion of Work, remove waste materials, rubbish, tools, equipment,

machinery and surplus materials; clean all sight-exposed surfaces and leave work site clean and ready for occupancy.

F. This is a secure institution. All blades, cutting utensils, and materials capable of

use as a sharp instrument will be strictly accounted for. 1.2 SAFETY REQUIREMENTS

A. Maintain Project in accordance with applicable safety and insurance standards. Prevent accumulations of waste, debris, and rubbish which create hazardous conditions. Provide adequate ventilation during use of volatile or noxious substances. Do not burn rubbish and waste materials; remove from Owner's property and dispose of legally. Used of broken cutting blades, straps, wires, and tools must be accounted for and removed from the job site. None are to be discarded within the facility.

PART 2 - PRODUCTS 2.1 CLEANING MATERIALS

A. Use only those cleaning materials recommended by manufacturer for surface being cleaned.

Cleaning & Waste Management 01 74 00-2

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B. Use cleaning materials only on surfaces recommended by cleaning material manufacturer.

PART 3 - EXECUTION 3.1 CLEANING DURING CONSTRUCTION

A. Execute cleaning to ensure that building, grounds, and public properties are maintained free from accumulations of waste materials and rubbish resulting from this work. Wet down dry materials and rubbish to lay dust and prevent blowing dust.

B. Provide on-site containers for collection of waste materials, debris, and rubbish.

C. Handle waste materials, debris and rubbish in a controlled manner with as few

handlings as possible; do not drop or throw materials from heights.

D. At reasonable intervals during progress of Work clean site and public properties, and dispose of waste materials, debris and rubbish.

E. Remove waste materials, debris and rubbish from site and legally dispose of at

public or private dumping areas off Owner's property.

F. Contractor is responsible for any damage to roof membrane resulting from this Work, debris from this Work, or cleaning.

3.2 FINAL CLEANING

A. Employ experienced workers, or professional cleaners, for final cleaning.

B. At completion of project, conduct final inspection of sight-exposed interior and exterior surfaces and accessible concealed spaces.

C. Remove grease, dirt, stains, labels, and other foreign materials from sight-

exposed interior and exterior finished surfaces.

D. Repair, patch and touch up marred surfaces to specified finish, to match adjacent surfaces.

E. Replace air conditioning filters where units were operated during construction.

F. Paved surfaces are to be broomed clean. All other surfaces of the grounds are

to be raked clean.

G. Leave equipment in an undamaged, bright, clean, and polished condition.

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H. After completion of Work, remove temporary structures, fences, scaffolding, surplus materials and rubbish of every nature from Owner's property.

I. Maintain cleaning until project, or portion thereof, is occupied by Owner.

END OF SECTION

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PART 1 - GENERAL

A. Work related to this Section is specified in other sections. Other sections of these Specifications also apply even though not described here.

1.1 DESCRIPTION

A. The requirements specified in this Section relate to all Contractors individually performing under these Contract Documents: 1. Project record documents 2. Final review and payment including retainer 3. Substantial completion date and warranty date as mutually agrees by

Owner, Contractor, and Engineer of Record 1.2 REQUIRED DOCUMENTS

A. Prior to issuance of Certificate of Completion and final payment, submit to Engineer the following documents: 1. Guarantees:

a. The guarantee required by the General Conditions b. All other extended guarantees stated in the Specifications

2. Release or Waiver of Liens: a. Contractor's Affidavit of Release of Liens (AIA G706A) b. Payments of Debts and Claims (AIA G706)

3. Operation and Maintenance Manuals: a. As required by each section of Division 23 (Mechanical) and

Division 26 (Electrical). b. Include inspection reports, if applicable.

4. Project Record Documents: a. Two sets of the Project Record Documents shall be submitted for

review upon completion of the Work. Each shall be bound in a 3-ring binder with each section clearly indexed with tabbed divider pages.

b. The project team list shall include company name, address, and phone number of: i. Owner ii. Contractor iii. Inspector iv. Subcontractors v. Materials manufacturers

B. Legibly mark the Drawings to indicate actual as-built conditions. The Drawings

shall clearly indicate changes in the Work made by Addenda or Change Order. Redraw or provide new drawings as required for a complete as-built set of drawings.

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1.3 FINAL REVIEW AND PAYMENT A. Prior to completion, the Contractor shall inspect the Work and make a "punch

list" noting all items that are incomplete and/or incorrect.

B. The Contractor shall notify all Subcontractors in writing of incomplete and/or incorrect items. Notify far enough in advance of the Completion Date that the Work can be completed on schedule. Said Work shall be immediately corrected.

C. Should conditions prevail which prohibit some elements of the Work from being

accomplished, but the work-in-place will perform the primary function (i.e., painting cannot be completed due to high moisture content of masonry walls.) the Contractor shall record the reason with this "punch list" item requesting temporary delay in completion from the Owner in writing.

D. Notify the Owner in writing that all items are completed and ready for final review

or else that the work product is fully usable, but some listed deficiencies remain to be completed. Submit all record documents at this time.

E. The Owner will review all documents. When the documents include a

Contractor's request for delay in completion, the Owner will review all Work which is certified as complete to the best knowledge of the Contractor. The Owner will also review the listed incomplete Work and assign a value to such uncompleted work.

F. The Contractor shall make the required corrections to the Work expeditiously.

Upon Owner Occupancy, sufficient retainage monies will be held to pay for incomplete Work, should the Contractor fail to perform. A letter will be addressed to the Contractor informing the Contractor of the project status and the monies available for a semi-final payment upon receipt of billing.

G. When Contract closeout procedures are completed and all punch listed

deficiencies have been corrected, final acceptance by the Owner will be documented. The contractor will receive written notice of acceptance of the Work and notification that final payment may be billed and released.

H. All guarantees shall commence and become effective beginning on the date of

Final Acceptance by the Owner. PART 2 – PRODUCTS Section not used PART 3 – EXECUTION

Section not used

END OF SECTION

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PART 1 - GENERAL 1.1 RELATED WORK

A. Work related to this section is specified in other sections. Other sections of these Specifications also apply even though not described here.

1.2 DESCRIPTION

A. Perform alterations and related work as shown or specified and in accordance with the Contract Documents.

1.3 STANDARDS

A. Comply with the applicable provisions and recommendations of OSHA and ANSI A10.2, Safety Code for Building Construction, except as modified by governing codes.

1.4 SCHEDULING

A. Twenty-four (24) hours prior to starting any alteration or demolition work, submit for review by the Engineer and approval of the Owner, a schedule showing the commencing order, and completion dates for the various parts of this Work.

B. Notify Engineer and Owner seventy-two (72) hours prior to starting any work

relating to existing utilities (electrical, sewer, water, heat, gas, fire lines, etc.) that will temporarily discontinue or disrupt service to the existing building. Obtain Owner's approval before proceeding with this phase of the Work.

1.5 PROTECTION

A. Before proceeding with demolition and removal, make explorations and probes as necessary to ascertain any required protective measures. Give particular attention to shoring and bracing requirements to prevent any damage to existing construction and structure. The existing structure is historical. Any modifications shall be cleared by the Owner.

B. Provide, erect, and maintain catch platforms, lights, barriers, weather protection,

warning signs, and other items essential for proper protection of: 1. the workers engaged in demolition operations 2. the occupants of the building 3. the general public 4. the adjacent construction

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C. Provide and maintain weather protection at exterior openings. Fully protect the interior premises against damage from the elements until exterior openings are closed by new construction.

D. Provide and maintain temporary protection of the existing structure designated to

remain where: 1. demolition removal and new work is being performed 2. connections are made 3. materials are handled 4. equipment is moved

E. Take necessary precautions to prevent dust and dirt from rising by wetting

demolished masonry, concrete, plaster, and similar debris. Protect unaltered portions of the existing building affected by the operations under this Section with dustproof partitions and other adequate protection.

1. Provide adequate fire protection in accordance with local Fire Department

requirements.

2. Do not close or obstruct walkways, stairways, or passageways without Engineer's authorization. Do not store materials in passageways, stairs, or other means of egress. Conduct operations with minimum traffic interference.

3. Contractor will be responsible for any damage to the existing structure and

contents of structure, resulting from inadequate protection. PART 2 – PRODUCTS Section not used PART 3 - EXECUTION 3.1 WORKMANSHIP

A. Perform demolition, removal, and alteration work as shown on the Drawings with due care including shoring and bracing. Contractor will be responsible for any damage that may be caused by such work to any part of existing structures or items designated for reuse. Perform patching, restoration, and new work in accordance with applicable sections of the Specifications.

B. Materials or items, designated on the Drawings or indicated by Owner, which

have been removed during construction, whether to be reinstalled or not, shall remain property of the Owner. Remove such items with care and store in a location on Site provided by the Owner.

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C. Materials or items designated to be reinstalled are indicated on the Drawings. Remove with care under the supervision of the trade responsible for reinstallation. Protect and store until required for reuse. Replace materials or items damaged in removal with similar new material of equivalent quality.

D. Where existing equipment or fixtures are indicated to be reused, repair such

equipment and/or fixtures to perfect working order. Refinish as directed by Owner and Engineer.

E. Materials or items demolished and not designated to remain the property of the

Owner, or to be reinstalled, shall become the property of the Contractor and shall be removed from the Owner's property.

F. Execute the work in a careful and orderly manner, with the least possible

disturbance to the general public and building occupants.

G. In general, demolish masonry in small sections. Install temporary shores, struts, and bracings where necessary to prevent collapse of any construction.

H. Where alterations occur (or new and old work join), cut, remove, patch, repair, or

refinish adjacent surfaces, or so much thereof as is required by the involved conditions. All adjacent surfaces shall be repaired or replaced to the same condition as at the start of Work. The materials and workmanship employed in the alterations, unless otherwise shown or specified, shall conform to that of the original work. Alteration work shall be performed by the various trades that normally perform that particular type of Work.

I. Finish new and adjacent surfaces as specified for new work. Clean existing

surfaces of dirt, grease, loose paint, etc. before refinishing.

J. Cut out embedded anchorage and attachment items as required to properly provide for patching and repair of the respective finishes.

K. If applicable, cut existing roof areas only to the limits required for the proper

installation of the new Work. Cut and fold back existing roofing. Cut and remove insulation. Provide temporary weather tight protection, as required, until new roofing and lashings are installed.

3.2 CLEANING

A. Remove debris as the work progresses. Maintain the premises in a neat and clean condition.

3.3 COMPLETION

A. At completion of Work, and prior to final acceptance, remove all temporary Work. Complete remainder of patching, refinishing, and joining new Work to existing work. Thoroughly clean both new and existing work.

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3.4 REFRIGERANT PIPE REMOVAL

A. Refrigerant piping is to be removed from building where required for installation of new work only. Install new caps or plugs on each of these fittings that remains from demolition of existing system.

END OF SECTION

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PART 1 - GENERAL

A. Work related to this Section is specified in other sections. Other sections of these Specifications also apply even though not described here.

1.1 WORK INCLUDED

A. Furnish and install all materials and equipment as specified herein to support mechanical roof-mounted equipment.

B. Roof Curbs

C. Wood Treatment

D. Supply and install roof curbing, membrane flashing, and roof membrane work as

shown on the Drawings and specified herein. 1.2 RELATED WORK

A. Division 23 - HVAC

1.3 REFERENCES

A. ALSC - American Lumber Standards Committee: Softwood Lumber Standard.

B. APA - American Plywood Association: Grades and Standards. C. FS TT-W-571 - Wood Preservation: Treating Practices. D. NFPA - National Forest Products Association. E. RIS - Redwood Inspection Service: Standard Specifications

for Grades of California Redwood Lumber. F. SFPA - Southern Forest Products Association. G. WCLIB - West Coast Lumber Inspection Bureau: Standard

Grading Rules for West Coast Lumber. H. WWPA - Western Wood Products Association.

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1.4 QUALITY ASSURANCE

A. Lumber Grading Agency: Certified by ALSC. B. Plywood Grading Agency: Certified by APA.

1.5 FRAMING QUALITY ASSURANCE

A. Lumber grading rules of the West Coast Lumber Inspection Bureau (WCLIB) and Western Wood Products Association (WWPA) apply to materials furnished under this section.

1.6 REQUIREMENTS OF REGULATORY AGENCIES

A. Preservative Treated Lumber and Plywood: American Wood Preservers Bureau (AWPB) Quality Mark.

B. Pressure Treated Material: American Wood Preservers Bureau (AWPB)

Standards. 1.7 SUBMITTALS

A. Submit product data under provisions of Section 01 33 00. B. Provide technical data on wood preservative materials and application

instructions. C. Shop drawings showing joint layout indicating maximum use of sheets with a

minimum of joints and field splicing. Include details of fabrication and construction joints, flashings, etc.

1.8 GUARANTEE

A. All work shall be unconditionally guaranteed to be watertight for a period of one (1) year.

PART 2 - PRODUCTS 2.1 ROOF CURB (MANUFACTURED)

A. The roof curb cover shall be of heavy gauge stainless steel, continuous mitered and welded corner seams, integral base plate, installed pressure treated wood nailer, and stainless steel counter flashings.

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B. The roof curb shall be designed to mate with the new roof-mounted equipment, provide support, and complete weatherproof installation.

2.2 MATERIALS

A. Lumber Grading Rules: WCLIB, WWPA. B. Softwood Lumber: DF-L species, #2 and better grade, 19 percent maximum

moisture content. C. Plywood: APA Grade with waterproof glue, sanded. D. Fasteners: Electro-galvanized steel for exterior, high humidity, and treated wood

locations; plain finish elsewhere; size and type to suit condition. E. Anchors: Expansion shield and lag bolt type for anchorage to concrete. Bolts or

ballistic fasteners for anchorages to steel.

2.3 WOOD TREATMENT

A. Wood Preservative (Pressure Treatment): AWPA Treatment C2 using water-borne preservative with 0.30 percent retainage.

PART 3 - EXECUTION 3.1 SITE APPLIED WOOD TREATMENT

A. Apply with a brush, two coats of preservative treatment on wood in contact with roofing and related metal flashings.

B. Apply preservative treatment in accordance with manufacturer's instructions. C. Treat site-sawn ends. D. Allow preservative to cure prior to erecting members.

3.2 CURB INSTALLATION

A. Erect the wood-framing members level and plumb. B. Space framing 24-inches o.c. C. Form curbs for all roof openings, except where prefabricated curbs are provided.

Form corners by lapping side members alternatively.

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D. Coordinate Work with installation of decking. Frame adequate support of decking, curbing, and support members at openings.

3.3 FLASHING AND ROOF MEMBRANE

A. Have all Work done by applicators approved by manufacturer of the roofing materials. All Work shall be installed in strict accordance with manufacturer's directions.

B. Coordinate with other trades as necessary for satisfactory fabrication and

placement, and to assure waterproof performance. C. Preparation: All subsurface shall be made free from material detrimental to the

adhesion of the roofing membrane to adjacent surfaces. D. Do not install membrane flashing on surfaces not in condition to receive it.

Report all subsurface defects in writing to the Engineer. Failure to observe this injunction will result in the Membrane and Flashing Contractor being held responsible for any corrections the Engineer may require.

E. Flashing: Apply flashing with sheets as large as possible to reduce the number

of field joints. Field splicing techniques and terminations shall be as shown on Drawings or per the recommendation of manufacturer. Use only cements or adhesive recommended by the manufacturer. Take care during installation to avoid membrane puncture. Patch all tears or punctures in manner prescribed by manufacturer. Installation to be in accordance with manufacturer's printed directions.

F. Waterstopping: At the end of each day's Work, or during inclement weather, the

Work shall be sealed at edges and well-covered to prevent moisture travel under the material.

3.4 INSTALLATION

A. Install roof curbs on concrete deck and fasten to deck in accordance with manufacturer's specification and details.

B. Provide pressure-treated wood for:

1. All framing, blocking, furring, and nailing strips built into exterior masonry walls.

2. Wood in contact with concrete. 3. In conjunction with gravel stops and built-up roofing.

C. Apply two brush coats of same preservative used in original treatment to all

sawed or cut surfaces of treated lumber. END OF SECTION

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PART 1 - GENERAL

A. Work related to this Section is specified in other sections. Other sections of these Specifications also apply even though not described here.

B. The Work under Division 23 is to be finished and installed by experienced

workers skilled in the disciplines as described herein. References to specific sections the mechanical are: 1. Mechanical/HVAC:

a. Section 23 01 00: Basic Mechanical Materials & Methods b. Section 23 05 00: Heating, Ventilation, & Air Conditioning

(HVAC) - Mechanical / Sheet Metal Contractors

c. Section 23 05 93: Testing, Adjusting, & Balancing - Air / Hydronic Balancer or Balancing Firm

d. Section 23 07 00 Insulation e. Section 23 09 00: Building Automation System – Controls

Contractors C. The Contractor may be qualified for one or more of the disciplines listed. Where

the Contractor is not qualified under the conditions of these specifications, Contractor must subcontract to a qualified firm as listed above to accomplish the Work.

1.1 WORK INCLUDED

A. Mechanical/HVAC: 1. Provide labor and materials for a complete installation of AC system as

specified and as described on the Drawings. AC system to include electrical power, refrigerant lines, evaporator, condenser, insulation, supports, and controls as required for complete and functional system(s). Contractor shall be required to temporarily remove existing ductwork to accommodate new work.

B. The Contractor is responsible for installation, balancing, testing, startup, and

operational checkout for a fully functional system. Provide check-out and start-up of all mechanical systems in accordance with manufacturer procedures and specifications. Install all Work parallel and plumb to building lines, unless otherwise indicated.

C. The Drawings and Work Scope are not intended to be comprehensive of all Work

to be done under this Contract. Specifications, Drawings, and Work Scope must be used in their entirety to develop full understanding of the Work to be done under this Contract.

D. Roof Traffic: No Work on roof shall occur until protective plywood is laid down

where walking or placement of equipment or materials occur.

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E. Roof Repair: Contractor shall keep the roof in good repair and make every effort to prevent leaks from occurring from construction activity on roof. At end of project, Contractor shall make all repairs necessary to stop leaks wherever construction traffic has occurred. Provide a written one year warranty to cover 100 percent labor and material to make necessary repairs of leaks that can be attributed to the work traffic on roof as a result of this Contract.

F. The scope of work includes demolition and removal of the existing direct

expansion cooling system serving the multizone air handler located in the attic mechanical space and air cooled condenser located on the roof of the corrections building. Provide labor and material for the installation of a new evaporator coil (located within the multizone air handler), refrigerant lines, controls devices, and outdoor condensing unit (located on the corrections building roof). Some of the work will entail temporary removal and replacement of the existing ductwork to provide clearance for installation of the equipment. Routing of the new refrigerant lines should follow the existing route where possible and match the previous exterior color. The building is historical and thus alterations to the exterior must be approved. Contractors are required to visit the jobsite prior to bidding to ensure understanding of the full scope of work.

G. Alternate #1:

1. Furnish and install variable frequency drives.

H. Alternate #2: 1. Coordinate with controls for conversion of the existing pneumatic

actuators to DDC. 1.2 RELATED WORK

A. The Contractor is responsible to provide all labor, equipment and materials to complete all mechanical work indicated, specified within Division 23, or obviously necessary and required for a fully operational system. The Contractor is also responsible for proper location and sizes for sleeves, building penetrations, hangers, and supports for mechanical materials and equipment.

B. The Contractor is responsible for all work requiring subcontractors, such as

plumbing, HVAC controls, balancing, electrical, chases, framed openings, furring, patching, painting, roofing, curbing, blocking, and related general work.

C. Where Work is primarily done by the mechanical, the Mechanical Contractor may

be the prime Contractor which subcontracts to General Contractors for related general work.

D. Coordinate all Work with various trades. Cutting of structural members not

permitted, except as approved by Structural Engineer.

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1.3 REFERENCES AND STANDARDS

A. ANSI: American National Standards Institute B. ASHRAE: American Society of Heating, Refrigeration, and Air-Conditioning

Engineers, Inc. C. ASME: American Society of Mechanical Engineers. D. ASTM: American Society for Testing and Materials. E. AWWA: American Water Works Association. F. Fed. Spec.: Federal Specifications G. IAPMO: International Association of Plumbing and Mechanical Officials. H. OEF: 2014 Oregon Energy Efficiency Specialty Code based on the 2009

International Energy Conservation Code.

I. OFC: 2010 Oregon Fire Code based on the 2009 International Fire Code.

J. OMSC: 2014 Oregon Mechanical Specialty Code based on 2012

International Mechanical Code & 2012 International Fuel Gas Code.

K. OPC: 2011 Oregon Plumbing Specialty Code as amended by the 2009

Uniform Plumbing Code. L. OSC: 2014 Oregon Structural Specialty Code based on the 2012

International Building Code. M. NEC: 2011 National Electrical Code (NFPA 70: National Electric Code

International Electrical Code Series) as amended by the 2011 Oregon Electrical Specialty Code.

N. NEMA: National Electrical Manufacturer's Association. O. NFPA: National Fire Protection Association. P. UL: Underwriters' Laboratory.

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1.4 ELECTRICAL WORK

A. Division 26 specifies electrical work including wiring, conduit, disconnect switches, mounts starters, convenience outlets for equipment service, and makes line voltage connections to equipment furnished under Division 15, unless noted under specific item. Electrical to provide convenience outlet within 25-feet of all HVAC equipment for maintenance service per IMC adopted by Oregon Specialty Code.

B. Section 23 09 00 provides control wiring, and conduit, except as indicated, to

conform with Division 26 wiring methods. 1.5 PERMITS, CODES, AND STANDARDS

A. Install all work in accordance with applicable codes and standards and in accordance with manufacturer's current specifications. Include all permits and inspections required by applicable codes pertaining to work in this Specification.

1.6 OCCUPANCY

A. The Work areas are occupied. All Work scheduling which may interfere with the building operations must be coordinated with the Owner and Owner's representative. Do not shut down any utilities without 24 hours notice and approval of Owner.

1.7 VISITING JOB SITE

A. Site Visit: 1. A mandatory visitation of job site is required prior to bidding.

a. Contractors not attending walk-through will be eliminated from further consideration for this Contract.

B. Existing conditions may affect extent of Work. Additional costs will not be

authorized for omission in Bid due to lack of understanding of the Scope of Work. 1.8 SUBMITTALS

A. Shop Drawings: 1. After award of Contract, provide shop drawings which have been

reviewed and approved by Contractor, and literature showing item used, size, dimensions, capacity, rough-in, etc.

2. From manufacturer, detailing equipment assemblies and indicting dimensions, weights, loadings, required clearances, method of field assembly, components, and location and size of each field connection.

3. Wiring Diagrams: Detail wiring for power, signal, and control systems and differentiate between manufacturer installed and field installed wiring.

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4. The Contract Drawings indicate the general layout of piping and various items of equipment. Coordination with other trades and with field conditions will be required. For this purpose, prepare Shop Drawings of all piping and equipment installations. Shop Drawings shall be drawings prepared by Contractor and not reproductions or tracings of Engineer’s Drawings. Overlay drawings with shop drawings of other trades and check for conflicts. All drawings shall be same size as Engineer’s Drawings with the title block similar to Contract Drawings and identifying Engineer’s Drawing number or any reference drawings. All drawings shall be fully dimensioned including both plan and elevation dimensions. Shop drawings cannot be used to make scope changes.

5. Shop drawings shall include but are not limited to: a. Site plan to same scale as Engineer’s Drawing. b. Complete floor plans with sheet metal, HVAC, piping, control

panels, and plumbing to a minimum mechanical and fan rooms and sections of congested areas to a minimum of 1/4-inch scale.

c. Fabricated Equipment: Scale and drawing sizes to suit contractor except equipment shall not be less than a 1/4-inch scale.

6. Submit shop drawings for review prior to beginning fabrication. Additional shop drawings may be requested when it appears that coordination issues are not being resolved in the field or when there is a question as to whether contract documents are being complied with or the design intent is being met.

B. Product Data: Include rated capacities for each model; shipping, installed and

operating weights; furnished specialties; and accessories for each type of product specified.

C. Provide submittal data for the following items within 20 days of award of Contract

for Contractor review and approval per Section 01 33 00: 1. Mechanical/HVAC

a. Dx Evaporator Coil b. Air Cooled Condensing Unit c. Variable Frequency Drive [Alternate #1] d. Insulation –Refrigerant Piping & Duct e. Filters f. Refrigerant Lines g. Controls [Alternate #1] h. Automatic Steam Valves [Alternate #1]

1.9 CERTIFICATES

A. Furnish Owner with signed certificates stating that: 1. Systems have been thoroughly cleaned as specified. 2. Tests of piping have been made and satisfactorily concluded. 3. Lubrication of items has been completed. 4. Cleaned set of filter media is installed and strainers have been cleaned.

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1.10 DRAWINGS

A. Mechanical drawings are diagrammatic and are intended to show the approximate location of equipment and piping. Dimensions given in figures on the Drawings shall take precedence over scaled dimensions; and all dimensions, whether given in figures or scaled, shall be verified in the field. All piping and equipment shall be installed in a manner and in locations to avoid obstruction, preserve head room and keep openings and passageways clear. Contractor is required to submit shop drawings of all work to be installed. Any changes or modifications from Bid documents must be approved by Engineer prior to installation.

1.11 GUARANTEE

A. Mechanical work, materials and equipment shall be free from defects and guaranteed for a period of one year from the date of final acceptance. Any workmanship, equipment or materials proved defective due to this Contract, shall be repaired or replaced without additional cost to the Owner.

1.12 CLEAN-UP

A. Keep the Work area in a safe, neat, and orderly condition during construction. Upon completion of work, thoroughly clean all equipment, materials, and floor. Remove all debris or extra material resulting from the Work. Refer also to Section 01 74 00.

1.13 OPERATION AND MAINTENANCE MANUALS

A. Submit three (3) sets of engineering data and/or specifications, operating and maintenance instructions, parts lists and other relevant data for mechanical equipment. One set shall be digitized and placed on a compact (optical) disc. 1. Equipment capacity (input and output) and required maintenance actions. 2. HVAC system control maintenance and calibration information, including

wiring diagrams, schematics, and control sequence descriptions. Desired or field-determined setpoints shall be permanently recorded on control drawings, at control devices or, for digital control systems, in programming comments.

3. A complete written narrative of how each system is intended to operate. 1.14 "AS BUILT" RECORD DRAWINGS

A. Maintain a marked set of prints at job site at all times. Show all changes from Contract Drawings, whether visible or concealed. Dimension accurately from building lines, floor or curb elevations. Show exact location, elevation and size of piping, conduit, access panels and door, and all other information pertinent to the Work.

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B. At project completion, submit one set of reproducible tracings to Engineer for

approval. C. See Section 01 77 00, Closeout Procedures, for detailed requirements.

PART 2 PRODUCTS 2.1 ACCESS PANEL(S)

A. Furnish all access panels required for Mechanical Work with exact directions for locations which provide for servicing of equipment. Panels shall be of approved size, adequate for valves and equipment requiring service and installed above solid ceilings, behind walls or in furring, complete with correct frame for type of construction involved. Access panels in fire rated walls shall conform to or be more stringent than the wall rating. UL listing is required.

B. Size, quantity and location of panels are not necessarily shown on Drawings.

Use no panel smaller than 18-inches by 18-inches for manual access, nor smaller than 30-inches by 30-inches where personnel must pass through.

2.2 ROOF CURBS

A. Furnish roof curbs for support of all roof mounted AC equipment as specified in Section 07 72 00.

2.3 ACCESS DOOR(S)

A. Provide access doors for plenum. Access door to be minimum of 20 gauge sheet metal with 16 gauge frame (minimum). Provide either continuous piano hinge of 3-inches or door latching hardware according to SMACNA "HVAC" Duct Construction Standards.

B. Approved Manufacturer/Model Numbers:

1. Barry Blower 2. or approved

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2.4 SEISMIC RESTRAINTS AND BUILDING JOINTS

A. General: Provide resilient earthquake restraints with suitable structural support for all equipment as specified herein and shown on the Drawings. Restraints shall be attached to structural members capable of withstanding the design dynamic load specified below. Contractor shall be responsible for ensuring that the dynamic load capacity of the attachment bolts and supporting structure is greater than or equal to the capacity of the seismic restraint. Contractor shall also coordinate the size of concrete piers and housekeeping pads to ensure adequate space for the isolators and the restraints. Design of the seismic restraints shall be stamped and signed by a registered engineer.

B. Piping and Ductwork (Excluding Fire Sprinkler and Equipment):

1. All ductwork and piping shall be provided with seismic restraints in accordance with seismic Hazard Level (SHL C) of the Seismic Restraint Manual: Guidelines for Mechanical Systems dated 1998, as published by the Sheet Metal and Air Conditioning Contractors National Association, Inc. and in accordance with the State of Oregon, Structural Specialty Code (2010 edition).

2. Approved Manufacturer/Model Numbers: a. Pipe Shields Inc.

PART 3 - EXECUTION 3.1 ACCESS PANELS

A. Install access panels in accordance with manufacturers instructions for wall/ceiling type construction. Panel opening, patching, and painting by Contractor.

3.2 ROOF CURBS

A. Install custom or field fabricated roof curbs around all duct or pipe penetrations through roof or under entire footprint of roof mounted HVAC equipment. Roof curbs to elevate equipment and roof penetrations above snow accumulation levels. Provide cant blocking and sheet metal flashing for mating of roofing material and weatherstripping to roof curb.

3.3 SEISMIC BRACING

A. All new piping in the mechanical rooms shall comply with local codes and conform to the seismic requirements to SMACNA “Seismic Restraint Manual” Guidelines for mechanical Systems, Second Edition, specifically seismic bracing is required on all fuel pipe and all other piping that is 1.25 nominal inches and larger in mechanical rooms and 2.5-inches and larger outside mechanical rooms.

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B. All runs of pipe must have a minimum of two transverse braces and one longitudal brace. A run is defined as a length of pipe without any change in direction. Branch lines may not be used to brace main lines.

END OF SECTION

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PART 1 - GENERAL

A. Work related to this Section is specified in other Sections. Other Sections of these Specifications also apply even though not described here.

1.1 WORK INCLUDED

A. Furnish and install all materials and equipment pertaining to the Heating, Ventilation, and Air Conditioning (HVAC) system. This includes items of a minor nature necessary to complete the installation for a fully functional system. Refer to Section 23 01 00.

B. The scope of work includes demolition and removal of the existing direct expansion cooling system serving the multizone air handler located in the attic mechanical space and air cooled condenser located on the roof of the corrections building. Provide labor and material for the installation of a new evaporator coil (located within the multizone air handler), refrigerant lines, controls devices, and outdoor condensing unit (located on the corrections building roof). Some of the work will entail temporary removal and replacement of the existing ductwork to provide clearance for installation of the equipment. Routing of the new refrigerant lines should follow the existing route where possible and match the previous exterior color. The building is historical and thus alterations to the exterior must be approved. Contractors are required to visit the jobsite prior to bidding to ensure understanding of the full scope of work.

C. Some existing refrigerant piping will be reused. A thorough flushing, inspection,

and pressure test has been completed..

D. Alternate #1: 1. Furnish and install variable frequency drives. Provide startup and

training.

E. Alternate #2: 1. Coordinate with Reliable Controls authorized dealer or conversion of the

existing pneumatic actuators to DDC. 1.2 REGULATIONS FOR DUCTWORK

A. Low-pressure ductwork shall be fabricated from galvanized steel. All gauges and duct construction requirements shall be in accordance with the latest editions of ASHRAE Handbook, SMACNA Manual of Duct and Sheet Metal Construction for Ventilating and Air Conditioning Systems, and the International Mechanical Code. Where a conflict among these references arises, the most stringent source shall be followed.

B. Comply with the following regulations:

1. ARI 210-Unitary Air Conditioning Equipment. 2. ASHRAE-Handbook 2005 Fundamentals; Chapter 33 - Duct Design. 3. ASHRAE -Handbook 2008 Equipment; Chapter 16 - Duct Construction.

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4. ASTM A 90 -Weight of Coating on Zinc-Coated (Galvanized) Iron or Steel Articles.

5. ASTM A 525-General Requirements for Steel Sheet, Zinc-Coated (Galvanized) by the Hot-Dip Process.

6. ASTM A 527-Steel Sheet, Zinc-Coated (Galvanized) by Hot-Dip Process, Lock Forming Quality.

7. NFPA 90 A/B-Installation of Warm Air Heating and Air Conditioning System.

8. SMACNA -Low Pressure Duct Construction Standards. 9. UL 181 -Factory-Made Air Ducts and Connectors. 10. National Electrical Code (2008) (NFPA 70: National Electric Code

International Electrical Code Series) as amended by the 2008 Oregon Electrical Specialty Code.

11. Oregon Energy Efficiency Specialty Code (2014) based on the 2009 International Energy Code.

12. Oregon Fire Code (2010) based on the 2012 International Fire Code. 13. 2014 Oregon Mechanical Specialty Code based on 2012 International

Mechanical Code & 2009 International Fuel Gas Code 14. Oregon Structural Specialty Code (2014) based on the 2012 International

Building Code. 15. Oregon Plumbing Specialty Code (2011) based on the 2011 Uniform

Plumbing Code.

1.3 INTERIOR DUCT INSULATION [WHERE AFFECTED BY WORK]

A. Provide interior duct insulation where required for acoustic attenuation. Allow for thickness of insulation to maintain free area per inside design dimensions.

1.4 SUBMITTALS

A. Refer to Section 23 01 00, Basic Mechanical materials & Equipment, Item 1.8. PART 2 - PRODUCTS 2.1 AIR-COOLED CONDENSING UNIT

A. Provide a complete air-cooled condensing unit with capacity as noted on the Drawings.

B. The condensing unit shall be completely factory-assembled on a rugged steel

channel base and be individually performance tested at full and part load conditions. The unit shall be leak tested and shipped with a holding charge for R410a refrigerant. Construction and ratings shall be in accordance with latest ARI Standard 520 and shall comply with ANSI/ASHRAE 15 Safety Code, NFPA, CSA and ETL. Includes refrigerant services valves.

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C. Compressor shall be mounted on vibration isolators to minimize noise and vibration transmission. 1. Base Bid:

a. Provide 2 stages of capacity control.

D. Field power connection, non-fused, power disconnect, control inter-lock terminals and unit control system shall be centrally located in a weather-proof enclosure. A sheet metal barrier shall protect service personnel against accidental contact with line voltage components. Power and starting components shall include factory fusing of fan motors and control circuit, starting contactors including individual contactors for each fan motor, solid-state compressor sequence start timer, solid-state compressor overload protection in all three phases, inherent condenser fan motor overload protection, and unit power terminal clock for field connection to remote disconnect switch.

E. Safety and operating controls shall include unit controls top switch, recycling

pump-down control, high and low pressure switches and fan cycling controls. Terminals shall be provided for field connection of 240 volt power supply to the control circuit. Unit controls shall provide recycling pump-down protection at all times, including time clock system shutdowns on nights and weekends.

F. Unit shall be rated with automatic head pressure control to permit satisfactory

operation at ambient air temperatures down to 45ºF by cycling condenser fans in response to refrigerant head pressure and ambient air temperature.

G. Warranty:

1. Parts: 1 year. 2. Compressor parts: 5 years.

H. Approved Manufacturer/Model Numbers:

1. Base Bid: a. Daikin RCF20F b. Luxair YH-25C00ATAAA4

I. Other Acceptable Manufacturers Similar to Approved Manufacturer/Model

Numbers: 1. Johnson Controls 2. York 3. Trane 4. or approved

2.2 REFRIGERANT PIPING

A. Seamless copper-type ACR, ASTM B280, for air conditioning and refrigeration field service. Size according to the manufacturers recommended line sized for pressure drop, head, refrigerant velocities, and sub-cooling requirements.

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2.3 DIRECT EXPANSION COILS

A. The primary surface shall be a minimum 5/8-inch outside diameter seamless copper and expanded into the fin collars to provide a permanent mechanical bond. The fins shall be corrugated aluminum with spacing not closer than 10 fins per inch. Headers shall be non-ferrous copper and located outside of air stream. Casings shall be heavy gauge galvanized steel. Reinforcing rods shall be furnished so that the unsupported length does not exceed 60-inches.

B. The coil shall be thermal counterflow construction with same end liquid and

section connections. Refrigerant distributors shall be brass, pressure-type with copper distributor tubes factory-mounted.

C. Approved Manufacturer/Model Numbers:

1. Daikin

D. Other Acceptable Manufacturers Similar to Approved Manufacturer: 1. McQuay 2. Heatcraft 3. Colmac 4. Pace 5. Greenheck 6. Johnson Controls 7. RAE Corporation 8. or approved

2.4 INTERIOR DUCT INSULATION [WHERE AFFECTED BY WORK]

A. Line the inside of duct with 1-inch fiberglass insulation of 1-1/2 pound density outside the building exposed to weather, the first six (6) feet of fan discharge or inlet ductwork, at volume dampers and at diffuser outlets, as required for sound attenuation and thermal isolation. Flexible glass fiber: ANSI/ASTM C553; K value of 0.224 at 75ºF coated air side for 4,000 ft/min air velocity.

B. Insulate the ductwork exposed to weather with interior duct liner minimum R-8

insulateive value. Account for and maintain interior duct dimensions as specified. C. Provide exterior duct insulation per Section 23 07 00.

2.5 DUCTWORK

A. Provide essentially air-tight ductwork conforming with recommendations of ASHRAE, latest edition, and constructed per SMACNA manual of HVAC Duct Construction Standards. Gauges, hanging, supporting and bracing per IMC Table 10-A, B, C, E, and SMACNA. Maintain SMACNA manual on job site for reference by workers and Engineer. Ducts, liners, sound attenuation, flexible ducts, flexible connections and adhesives carry label "Incombustible", flame spread 0 - 25, NFPA-90a.

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B. Sheet metal to comply with ASTM A-525, with 1-1/4 oz. coating and bear stamp

of Manufacturer. C. Rectangular and Round Duct:

1. Sheet metal rectangular duct shall be essentially air tight, conforming to ASHRAE and SMACNA low velocity standards, and International Mechanical Code, latest edition.

2.6 DUCT ACCESSORIES

A. Turning Vanes: 1. Turning vanes shall be airfoil, double thickness type. 2. Approved Manufacturer/Model Numbers:

a. Duro-dyne "Air-Rail" frame or shop fabricated.

B. Volume Dampers: 1. Volume dampers shall be constructed in accordance with SMACNA

details for butterfly-type dampers. 2. Approved Manufacturer/Model Numbers:

a. Duro-Dyne 3/8-inch Quadline.

C. Duct Connectors: 1. Duct connectors shall be IMC, SMACNA, or approved manufactured

joining system.

D. Branch Connections: 1. Provide 45 degree entry boots. Straight 90 degree taps are not allowed. 2. For balancing, provide volume dampers at take-offs that terminate

diffusers.

E. Flexible Connectors: 1. Flexible duct connectors shall be impregnated Duroprene glass fabric,

low smoke development. Provide with the necessary angle, straps, bolts, or clips to secure the material to the equipment and ducts.

F. Acceptable Manufacturers: 1. Genflex 2. J-M 3. Fiberglass 4. Thermaflex 5. Clevaform SFV 6. or approved

G. Access Doors:

1. Duct access doors shall be 12-inches X 12-inches unless otherwise indicated.

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2. Where size of duct does not accommodate this door size, the door shall be as large as practical and shall be constructed of a gage not less than that of the duct sheet. The doors shall be rigid and shall be provided with airtight gaskets. Doors shall be continuous hinge-type with vent lock latch on outside.

2.7 FILTERS

A. Filters to be 2-inches thick disposable-type, 30% minimum efficiency.

B. Contractor shall provide two complete sets of filters for use during construction

and balancing. A new set shall be installed after testing.

C. Approved Manufacturer/Model Numbers: 1. Farr 30/30

D. Other Acceptable Manufacturers Similar to Approved Manufacturer/Model

Numbers: 1. Blender Products 2. Cambridge

2.8 REFRIGERANT LINE FLUSING AGENT A. Provide flushing agent to flush away sludge, carbon residue, oils, acids, water,

and other particulates.

B. Approved Manufacturer: 1. Nu-Calgon Rx-11 Flushing System 2. or approved

2.9 VARIABLE FREQUENCY DRIVES (VFD) [ALTERNATE #1]

A. Provide Variable Frequency Drives (VFD) for both the supply fan (10Hp) motor and return fan (7.5 Hp) motor.

B. The VFD shall convert three-phase, 60 hertz power to adjustable voltage and frequency, three-phase, AC power for motor control from 0 percent to 110 percent of base speed for each of the supply and return fans.

C. The VFD, together with all options and modifications, shall mount inside the

existing fan system mechanical room and within a standard NEMA-rated enclosure, suitable for continuous and intermittent operations at ambient temperatures between 32ºF and 104ºF. VFD to have storage temperature ratings of 0ºF to 120ºF. All high voltage components within enclosure shall be isolated with steel covers. The complete unit shall be UL approved and labeled.

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D. Circuitries shall provide protection for semi-conductors. The VFD shall be capable of starting into a rotating load without delay. Protective circuits shall use instantaneous trip (IET) should any of the following faults occur: 1. 110 percent controller maximum sine wave current rating is exceeded. 2. Output phase to phase short circuit condition. 3. High input line voltage. 4. Low input line voltage. 5. Loss of input phase. 6. External fault. This protective circuit shall permit, by means of the

terminal strip, wiring of remote NC safety contacts such as high static, firestat, etc., to shut down the drive.

E. The following adjustments shall be available in the controller:

1. Maximum Frequency (55 to 66 Hz). 2. Minimum Frequency (6 to 35 Hz). 3. Acceleration (2 to 120 seconds). 4. Deceleration (2 to 120 seconds). 5. Volt/Hertz ratio. 6. Voltage offset or boost torque. 7. Current limit (50 percent to 110 percent sine wave current rating).

F. The VFD shall be furnished with door-mounted operator controls, consisting of

auto/manual switch, start/stop (reset) switch, and local power disconnect. In automatic mode, controller will follow an external signal and respond to remote start/stop contact wired to terminal strip.

G. Additionally, the VFD shall be furnished with an isolated process control follower,

as required to accept DDC analog output signal (0-10VDC or 4-20MA signal).

H. The VFD shall be ABB, Magnetek, SafeTronics, or approved.

PART 3 - EXECUTION

3.1 OUTDOOR CONDENSING UNIT

A. Install in strict accordance to manufacturer's instructions.

3.2 REFRIGERANT LINES

A. Install refrigeration specialties in accordance with manufacturer's instructions. Properly insulate and support piping.

3.3 INTERIOR DUCT INSULATION [WHERE AFFECTED BY WORK]

A. Ductwork liner to be installed with fiberglass insulation according to SMACNA and ASHRAE standards.

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B. Interior duct insulation liner shall be installed with approved mechanical fasteners which form a positive mechanical attachment to the sheet metal. Use appropriate pin and washer to fit insulation used. Also coat with adhesive according to SMACNA standards.

C. Adhere with 90 percent coverage of adhesive at line contact surface to duct.

Coat joints and edges with adhesive or provide metal nosing for edges. Longitudinal joints allowed only at corners of duct.

D. Ducts’ width less than 8-inches do not require mechanical fasteners in addition to

adhesive. Mechanical fasteners to traverse perimeter of duct, 4-inches from corners and not exceeding 12-inches.

E. Use metal liner "build out" or "hat sections" for turning vanes, dampers, and other

devices. Vanes and dampers must be installed which will not disrupt duct liner or restrict damper operations.

F. Refer to 23 07 00 for exterior duct insulation.

3.4 DUCTWORK

A. Construct and install ductwork as described on the Drawings and in accordance with SMACNA, ASHRAE, and International Mechanical Code Standards. Keep ducts clean, and plug at all unused openings.

B. The installation of duct accessories shall be by a skilled installer, trained and in

the employ of a firm specializing in this type of work. C. Review space carefully, prior to construction of ductwork. Provide minor offsets

as required in accordance with SMACNA details. Notify Engineer immediately if space conflicts arise. Install air-foil, double thickness turning vanes at all changes of direction greater than 45º.

D. Duct dimensions shown on the Drawings are inside dimensions. Allow for metal

and insulation thickness.

E. All exposed fasteners to be stainless steel, round head, finished appearance, or otherwise approved.

F. All ductwork shall be made airtight by taping with pressure-sensitive duct tape. Duct tape shall be Fasson 0805, Nashua 324, or equal. Apply duct tape in strict accordance with manufacturer's instructions. All surfaces shall be clean, dry and grease-free.

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G. All exterior ductwork shall be made waterproof, weatherproof, resistant to ultraviolet light, and have airtight surfaces. To receive sealant, surfaces should be free from oil, dust, dirt, rust, moisture, and other substances that inhibit or prevent bonding of sealant. Use United duct sealer, Hardcast, or approved equal. Foil tape allowed for indoor application only. Standard duct tape is not allowed. Apply sealant in accordance with manufacturer's recommendations and SMACNA standards.

H. Paint duct exposed on roof to blend with surroundings. Paint exposed interior

ductwork to blend with wall.

I. Weather cover: Fabricate weather-tight sheet metal covers to go over flexible connections. Provide deflections to prevent water from going down sides of flexible duct. Provide weather protection for other equipment exposed to outside sun or rain, such as automatic damper operators, PVC control tubing, linkages, or materials which deteriorate under this condition.

3.5 DUCT ACCESSORIES

A. The installation of duct accessories shall be by a skilled installer, trained and in the employ of a firm specializing in this type of work.

B. The Contractor is to install new, lined, sheet metal duct for a minimum of 4-feet

downstream of volume dampers, and within 6-feet of all fan discharge. 3.6 VFD FANS [ALTERNATE #1]

A. Install in accordance with manufacturer’s instruction and provide factory

representative start-up and training. All VFDs to have single phase protection.

3.7 START-UP OF AIR HANDLER EQUIPMENT

A. Thoroughly check existing multizone air handler prior to start-up.

B. Provide controls support for startup and checkout of new air cooled condensing unit.

C. During construction and start-up, use air handlers with filters in place and access

doors closed. Provide one set of clean filters after acceptance of project completion. Any cleaning of coils or interior fan housing required, due to improper operation during construction, will be the responsibility of the Contractor.

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3.8 MANUFACTURER'S FIELD SERVICES

A. Prepare and start systems. Perform Dx units checkout according to manufacturer's recommendation and in presence of Owner's Representative.

B. Provide field representative for starting unit and training operator.

END OF SECTION

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PART 1 - GENERAL

A. Work related to this Section is specified in other sections. Other sections of these Specifications also apply even though not described here.

B. Base Bid: 1 Initial air balance measurements prior to demo work: Traverse cold deck

for air flow measurement with all zones at full cooling. Measure supply fan discharge static pressure.

2. Final air balance measurements: Traverse cold deck for air flow measurement with all zones at full cooling. Measure supply fan discharge static pressure. If deviation from the initial measurements is greater than 10%, adjust supply and return fan speed to meet initial conditions.

3. Provide outside air balance per the ventilation table requirements. Establish the mixed air damper position that provides design outside airflow (DOA).

C. Alternate #1:

1. Initial air balance measurements prior to demo work: Traverse hot and cold deck for air flow measurement with all zones at full heating/cooling. Measure supply fan discharge static pressure (DSP).

2. Final air balance measurements: a. Set main fan unit for full recirculation, full outside and minimum

outside air conditions. Take and record measurements required at each of the three conditions. Report any problem on obtaining design conditions to design engineer prior to complete balance for corrective action.

b. Measure each hot and cold deck zone for design air quantity at each zone. Measure maximum volumes at full cooling and full heating conditions respectively. Measure and report air quantities at each outlet.

c. Determine the supply fan discharge static pressure (DSP) required to ensure design airflow to each zone at full flow conditions (both heating and cooling). Establish the return fan relationship as a function of supply fan speed using a minimum of two points: the minimum supply fan speed (MNFS) and the maximum supply fan speed (MXFS). At each supply fan speed the balancer shall determine the return fan speed (MNRFS & MXRFS) that results in a building pressure of 0 to 0.01”w.c. The return fan speed (RFS) will be calculated by interpolating between these two points as a function of supply fan speed.

d. Establish the mixed air damper position that provides design outside airflow (DOA). Establish the mixed air damper position that provides 50% of design outside airflow (MOA).

e. Measure and report heating and cooling coil performance. f. Once all conditions have been tested, adjusted, and calibrated

report any conditions outside 10% of design parameters to Engineer for appropriate action or correction.

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1.1 RELATED WORK

A. Prior to start of Work, submit name of proposed subcontractor performing balancing services, and prepare final balance reports.

B. For testing, adjusting, and balancing the system, the Contractor is responsible for

the following: 1. Prepare each system for testing and balancing. 2. Cooperate with testing organization and provide access to equipment and

systems. Operate systems at designated times, and under conditions required for proper testing, adjusting, and balancing.

3. Notify testing organization prior to time system will be ready for testing, adjusting, and balancing in order to meet construction schedule.

4. Verify installation of system to be tested is complete and in continuous operation.

5. Verify ambient conditions and related facilities are in full operation. 1.2 QUALITY CONTROL

A. Balance Contractor shall be an agency specializing in the adjusting and balancing of air systems specified in this Section, and with minimum five years documented experience. Agency shall be certified or be pre-approved to perform Work under supervision of AABC (American Association of Balancing Contractors) or NEBB (National Environmental Balancing Bureau). Submit name of balancing firm to Engineer for approval, prior to the bid.

B. Pre-approved balancing firms are:

1. Air Introduction & Regulation (A.I.R) 2. Northwest Engineering 3. Precision Air Balance 4. Professional Air Balance 5. Pacific Coast Air Balance

C. Total system balance shall be performed in accordance with AABC National

Standards for Field Measurement and Instrumentation, ASHRAE - 2007 Applications Handbook Chapter 37, and NEBB Procedural Standards for Testing, Balancing and Adjusting of Environmental Systems.

D. Each report form should bear signature of recorder and that of supervisor of

reporting organization. The report should also identify each instrument used, and latest date of calibration of each.

1.3 TESTING AND BALANCING

A. Provide Balance Data For: 1. Air Handler Units 2. Supply Air Outlets 3. Return/Exhaust Air Outlets

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B. Sequence balancing work to commence after completion of systems and before

substantial completion of Project. C. Forms shall include the following information:

1. Title Page: a. Company name, address and phone number b. Project name and location c. Project Engineer d. Project Contractor e. Project altitude

2. Instrument List a. Instrument Type b. Manufacturer c. Model d. Serial Number e. Range f. Calibration date

3. Electric Motors: a. Manufacturer b. HP/BHP c. Phase, voltage, amperage; nameplate, actual, no load d. RPM e. Service factor f. Starter size, rating, heater elements

1.4 BALANCING - AIR

A. Air Moving Equipment: 1. Location 2. Manufacturer 3. Model 4. Air flow, specified and actual 5. Return air flow, specified and actual 6. Outside air flow, specified and actual 7. Total static pressure (total external), specified and actual 8. Inlet pressure 9. Discharge pressure 10. Fan RPM

B. V-Belt Drive:

1. Identification/location 2. Required driven RPM 3. Driven sheave, diameter and RPM 4. Belt, size and quantity 5. Motor sheave, diameter and RPM 6. Center to center distance, maximum, minimum, and actual

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C. Zone Damper: 1. Zone number 2. Room number/location 3. Damper size 4. Design velocity 5. Design air flow 6. Test (final) velocity

D. Outlet (Grille, Register, Diffuser):

1. Location 2. Manufacturer 3. Model 4. Deflection/Pattern 5. Air flow, specified and actual Area Factor

1.5 BALANCING – COIL PERFORMANCE

A. Cooling Coil Data: 1. Identification/Number 2. Location 3. Manufacturer 4. Air Flow, design and actual 5. Entering Air DB Temperature, design and actual 6. Entering Air WB Temperature, design and actual 7. Leaving Air DB Temperature, design and actual 8. Leaving Air WB Temperature, design and actual 9. Air Pressure Drop, design and actual

B. Heating Coil Data:

1. Identification/Number 2. Location 3. Service 4. Manufacturer 5. Air Flow, design and actual 6. Entering Air Temperature, design and actual 7. Leaving Air Temperature, design and actual 8. Air Pressure Drop, design and actual

C. Submit record documents as noted in Section 01 77 00. Accurately record

locations of flow measuring stations, balancing valves and rough setting. PART 2 - PRODUCTS 2. 1 FAN BELTS AND SHEAVES

A. Provide one additional set of sheave and belt assemblies for adjustment of fans

to meet design parameters if required.

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2. 2 PATCHING MATERIALS

A. Material: 1. Seal, patch, and repair ductwork, piping, and equipment drilled or cut for

testing purposes. 2. Plastic plugs with retainers may be used to patch drilled holes in ductwork

and housings. 3. Piping shall be capped with materials the same as piping system. 4. Insulation shall be neatly hemmed with metal or plastic edging, leaving

test points visible for future testing. 2. 3 TEST INSTRUMENTS

A. Standards: Utilize instruments and equipment of type, precision, and capacity as recommended in the NEBB "Procedural Standards for Testing, Adjusting, and Balancing of Environmental Systems" and AABC manual MN-1.

B. Test Instruments:

1. All instruments used for measurements shall be accurate and calibration histories for each instrument shall be available for examination.

2. Each test instrument shall be calibrated by an approved laboratory or by the manufacturer.

3. A representative has the right to request instrument recalibration, or the use of other instruments and test methodology, where accuracy of readings is questionable.

C. Additional Instruments:

1. Permanently installed measuring instruments, such as temperature and pressure gauges, shall be checked against transfer standard instruments.

2. Any instrument which does not meet specification requirement shall be replaced or recalibrated.

D. Cone Instruments:

1. The Contractor shall employ manufactured enclosure type cones, capable of air volume direct readings, for all diffuser/grille/register air flow measurements.

2. The readout meters shall meet calibration requirements. PART 3 - EXECUTION 3.1 GENERAL

A. Before commencing balance work, verify that systems are complete and operable. Ensure the following: 1. Equipment is operable and in a safe and normal condition. 2. Promptly report abnormal conditions in mechanical systems, or conditions

which prevent system balance.

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3. Temperature control systems are installed complete and operable. 4. Proper thermal overload protection is in place for electrical equipment.

3.2 AIR BALANCE

A. Ensure the following: 1. Fan rotation is correct. 2. Final filters are clean and in place. If required, install temporary media, in

addition to final filters. 3. Fire and volume dampers are in place and open. 4. Coil fins have been cleaned and combed. 5. Volume dampers are in place and open at beginning of balance. 6. Air outlets are installed and connected. 7. Duct system leakage has been minimized.

B. Permanently mark settings of dampers and other adjustment devices, allowing

settings to be restored. Set and lock memory stops. C. Measure air quantities at air inlets and outlets. D. Measure static air pressure conditions on air supply units, including filter and coil

pressure drops, and total pressure across the fan. Make allowances for 50 percent loading of filters.

E. Adjust air handling systems to plus or minus 5 percent for supply systems, and

plus or minus 10 percent for return system, for figures indicated. Advise Engineer if deficiencies are generally noted to enable proper corrective actions.

F. Measure air quantities, where indicated on the Drawings, and record duct

traverse reports as indicated. G. Adjust outside air automatic dampers, outside air, return air, and exhaust

dampers for design conditions. H. Where modulating dampers are provided, take measurements and balance at

extreme conditions.

I. Use volume control devices to regulate air quantities, only to extent that adjustments do not create objectionable air motion or sound levels. Effect volume control by duct internal devices, such as dampers and splitters.

J. Vary total system air quantities by adjustment of fan speeds. Provide drive

changes and increase fan motor sizes as required. Vary branch air quantities by damper regulation.

K. After adjustment, take measurements to verify balance has not been disrupted or

that such disruption has been rectified.

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L. Central Multizone HVAC Systems: Adjust fan speeds and motor drives for required air volume, within ±5% maximum. Set speed to provide air volume at farthest run without excess static pressure. Provide additional sheaves and belts as required to accomplish speed adjustment for new fans. Record fan rpm.

M. Make Pitot Tube traverse of main supply ducts and obtain design CFM at fans.

Read and adjust air supply, return, exhaust fan units to deliver design conditions at minimum OSA and at 100% OSA.

N. Test Holes: Test holes shall be in a straight duct, as far as possible downstream

from elbows, bends, take-offs, and other turbulence generating devices, to optimize reliability of flow measurements.

O. Adjust all automatic dampers, outside air, return air, and exhaust dampers for

design conditions. P. Where modulating dampers are provided, take measurements and balance at

extreme conditions.

Q. Read and record static air pressure conditions on all air handling equipment, including filters and coil pressure drops, and total pressure across the fan. A Dwyer Series 400 air velocity meter or equivalent shall be used for final static pressures at equipment and where critical readings are required. Make allowances for 50 percent loading of filters.

R. Measure temperature conditions across all outside air, return air, and exhaust

dampers to check leakage. S. Read and record motor data and amperage draw. T. Testing organization shall verify all controls for proper calibration and list controls

requiring adjustment by control engineer. U. For Variable Air Volume (VAV) systems, establish minimum static pressure

required at sensing point to permit operation over entire VAV range. Adjust fan speed so that at maximum demand is at 100% of VSD (variable speed drive). Adjust return fan speed so that return air volumes track with supply air volume at minimum exhaust air volume.

V. Each grille, diffuser, and register shall be identified as to location and area

served.

W. Test and record entering and leaving air temperatures across all coils. X. Evaluate all building and room pressure conditions to determine adequate supply

and return air conditions. Assure proper positive pressure.

Y. Evaluate all building and room pressure conditions to determine adequate performance of the system to maintain temperatures without draft.

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3.3 COORDINATION

A. Deficiencies noted during the course of air balancing in the mechanical installation shall be promptly reported to the Engineer to allow corrective action to proceed.

B. Periodic review of progress shall be provided as required or requested.

3.4 PROCEDURES AND INSTRUMENTS, GENERAL

A. Requirements: All systems and components thereof shall be adjusted to perform as required by drawings, schedule, and specifications.

B. Test Duration: Operating tests of heating and cooling coils, fans, and other

equipment shall be of not less than four hours duration after stabilized operating conditions have been established. Capacities shall be based on temperature and air and water quantities measured during such tests.

C. Instrumentation:

1. Method of application of instrumentation shall be in accordance with the approved agenda.

2. All instruments shall be applied in accordance with the manufacturer's certified instructions.

3. All labor, instruments, and appliances required shall be furnished by the Contractor.

4. Where duct's design velocity and air quantity are both less than 1,000 (fpm/cfm), air quantity may be determined by measurement at terminals served.

D. Marking of Settings:

1. Following final acceptance of certified reports, the settings of all valves, splitters, dampers, and other adjustment devices shall be permanently marked by the Contractor so that adjustment can be restored if disturbed at any time.

2. Devices shall not be marked until after final acceptance. E. Air Motion: Air motion and distribution shall be as shown on drawings.

3.5 CERTIFIED REPORTS

A. Submittals: Three (3) copies of the reports described herein, covering air and water system performance, air motion (fpm), and sound pressure levels, shall be submitted prior to final tests and inspection.

B. Instrument Records. Types, serial numbers, and dates of calibration of all

instruments shall be included.

C. Reports: Reports shall identify items not conforming to contract requirements, or obvious deficiencies.

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D. Certification: Certification shall include checking of adherence to agenda, of

calculations, of procedures, and evaluation of final summaries. 3.6 AT COMPLETION OF WORK

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

B. At final inspection, recheck random selections of data recorded in report.

Recheck points or areas as selected and witnessed by the Owner. C. Recorded data shall represent actually measured, or observed condition. Record

actual locations of flow measuring stations, balancing valves and settings. D. Submit copies of the recorded data to the Engineer, and the Owner at final

inspection. Report to include type of instruments used, actual date when readings are made, and outdoor temperature.

END OF SECTION

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PART 1 - GENERAL

A. Work related to this Section is specified in other sections. Other sections of these Specifications also apply even though not described here.

1.1 WORK INCLUDED

A. Mechanical/HVAC:

1. Insulate all: a. Refrigerant piping/tubing b. Pipe, fittings, and valves affected by scope of work c. Ductwork affected by scope of work

2. Provide vapor barrier cover or jacket, except where noted otherwise. 3. Provide interior duct insulation per Section 23 05 00.

1.2 REFERENCES AND STANDARDS

A. ASTM B209: Aluminum and Aluminum-alloy Sheet and Plate.

1.3 QUALITY ASSURANCE

A. Applicator: Company specializing in piping insulation application with a minimum of three (3) years experience.

B. Materials: Insulation must be labeled on shipping cartons to conform to NFPA-

90A, ASTM E84, and have a permanent composite rating for insulation, jacket, adhesive of flame spread 25, and smoke developed 50.

1.4 SUBMITTALS

A. Submit Contractor-approved project data for Engineer review and approval. B. Include product description, list of material, and thickness for each service and

locations. C. Submit manufacturer's installation instructions.

PART 2 - PRODUCTS 2.1 PIPE JACKETS

A. For pipe insulation coverings exposed to weather, use minimum 0.016-inch thick aluminum for pipe insulation under 6-inches. 1. Type: 0.016-inch thick aluminum for pipe insulation.

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2. Finish: Stucco embossed pattern. Finish to blend with Courthouse exterior wall color.

3. Shapes: Elbows, tees, valves, reducers, flanges, and end caps in various sizes.

4. Moisture Barrier: Kraft or polyethylene.

B. Acceptable Manufacturers: 1. Childers 2. Manville

2.2 VALVE INSULATION JACKETS

A. Jackets shall contain a non-combustible insulation, wool or fiberglass, between two layers of an asbestos-free fabric, and shall be silicon-coated. Jackets secured by hooks and wire, or similar methods, to facilitate removal.

B. Install laced insulation jackets at valve and meter locations. Submit type for

approval.

C. Acceptable Manufacturers: 1. Energy Control Services (ECS)

2.3 ACCESSORIES

A. Insulated Pipe Clamps: 1. Manufacturer: Klo-Shure

B. Insulation Bands:

1. 3/4-inch wide; stainless steel. C. Metal Jacket Bands:

1. 3/8-inch wide; stainless steel. D. Adhesives:

1. Compatible with insulation. E. Labeling:

1. Stencil or pre-printed labels with adhesive backing. F. Acceptable Manufacturers:

1. Insulation Supply Inc.

2.4 REFRIGERANT SUCTION (RS), REFRIGERANT LIQUID (RL) A. Inside equipment and Building:

1. Type: Elastomeric foam 2. Thickness:

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a. 1-1/8-inch OD and smaller: 1/2-inch insulation. b. 1-3/8-inch and larger: 1-inch insulation.

B. Outside Equipment and Building:

1. Thickness: a. 1-1/8-inch OD and smaller: 1/2-inch insulation. b. 1-3/8-inch and larger: 1-inch insulation.

2. For exterior locations, provide aluminum jacket and vapor barrier as referenced to PIPE JACKETS elsewhere in this section. For interior locations provide PVC jacket and vapor barrier.

PART 3 - EXECUTION 3.1 PERFORMANCE

A. Provide and install insulation products in compliance with the manufacturer's recommendations by skilled applicators directly employed and supervised by a firm specializing in this type of work.

3.2 DUCT INSULATION

A. Ductwork to be installed with fiberglass insulation according to SMACNA and ASHRAE standards.

B. Refer to 23 05 00 for interior duct insulation application.

3.3 STEAM AND CONDENSATE INSULATION

A. Install insulation jackets and labeling after piping has been tested and approved. Neatly finish insulation at supports, protrusions, and interruptions. Insulation of traps not required.

B. Install materials in accordance with manufacturer's instructions. C. Insulate fittings, valves, unions, flanges, strainer, flexible connections, and

expansion joints. Provide vapor barrier cover for protection of pipe insulation and pre-formed covers or jackets for valve bodies, unions, flanges, strainers, flexible connectors, and expansion joints.

D. Continue pipe insulation with vapor barrier through penetrations. E. Neatly finish insulation at supports, protrusions, and interruptions.

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3.5 STAINER INSULATION A. Strainers should be insulated so that screens can be removed without cutting

insulation. Strainer end caps and blowdown valves shall be insulated with removable elastomeric insulation and shall be held in place with Velcro or lacing.

3.6 PIPING PENETRATIONS THROUGH FIRE-RATED BARRIER

A. Install all insulated piping that penetrates a fire rated wall or floor with a solid 16 gauge metal panel escutcheon that extends from pipe surface to structure, typically on each side of wall or floor.

3.7 REFRIGERANT SUCTION (RS), REFRIGERANT LIQUID (RL) A. Install insulation, vapor barrier covers, jackets and labeling after piping has been

tested, leaks have been fixed, and piping has been approved for service. END OF SECTION

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PART 1 - GENERAL 1.1 SCOPE

A. Work shall include, but not necessarily be limited to, furnishing equipment, labor, and materials required to: 1. Remove existing pneumatic control devices and tubing. 2. Replace existing pneumatic actuators with new electronic actuators. 3. Interface with new air cooled condensing unit for control of the cold deck

discharge air temperature. 4. Install any additional controls sensors as required by the sequence of

operations herein and controls drawings. Install additional equipment controllers as necessary.

5. Modify or provide additional programming to the existing building automation system and field controllers to comply with the sequence of operations herein.

6. Coordinate and assist in BAS controls system checkout with engineer. 1.2 DEFINITIONS

A. BAS: Building Automation System which includes conversion of HVAC control systems to DDC. This is a combination of manual control devices, existing pneumatic/electric control devices and new DDC system.

B. DDC System: New Direct Digital Control (DDC) System to retrofit with existing

pneumatics where appropriate to provide a energy efficient HVAC control system.

1.3 QUALITY ASSURANCE

A. The control work shall be provided by a Reliable Controls authorized dealer.

B. Prior to substantial completion, the Controls Contractor must demonstrate that the system is operating per the Specifications, and final adjustments have been made as approved.

C. Provide coordination with other Contractors or subcontractors for work required

by other trades for work accomplishment. 1.4 SUBMITTALS

A. Submit four (4) complete sets of documentation. 1. Manufacturer's Product Data: All equipment components

2. Shop Drawings: System wiring diagrams with sequence of operation for

each system as specified.

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3. Submit manufacturer's product information on all hardware items along with descriptive literature for all software programs to show compliance with specifications.

4. System configuration diagram showing all panel types and locations as well as communications network and workstations.

5. All temperature, pressure, spring range, and differential settings indicated at the devices.

6. Normal positions of all devices identified so as to explain the device and system function.

7. All electric connections of the control system to equipment furnished shown complete to terminal points specifically identified with manufacturer's terminal designation.

8. All control wire and conduit shall be uniquely identified in the field and on the Drawings with a logical numbering system.

9. Operating and Maintenance Data. Provide four (4) sets of the following: 10. A complete set of control Shop Drawings with as-built and operating

changes. 11. Complete Operating and Maintenance Data on all equipment requiring

periodic or incidental services or adjustment. 12. A description of sequence of operations. 13. "As built" interconnection wiring diagrams, or wire lists of the complete

field installed system with complete, properly identified ordering number of each system component and device.

14. Trunk cable schematic showing Field Unit locations, and all trunk data conductors.

15. System architecture or configuration complete with all processor, terminals, other peripheral devices, modems, etc., with interconnecting diagrams.

16. Source code listing of all site specific program software for custom control and manufacturer's standard algorithms.

1.5 INSTRUCTION OF OWNER PERSONNEL

A. Complete instructions, both verbal and written, of the control systems shall be provided to the Owner's Operating Engineer by the Control Project Manager or an approved instructor upon project completion.

B. Field Superintendent shall locate all control components for Operating Engineer.

C. During system commissioning and at such time acceptable performance of the

BAS hardware and software has been established, the system Contractor shall provide on-site operator instruction to the Owner's representative's operating personnel. Operator instruction during normal working hours shall be performed by a competent representative familiar with the DDC software, hardware and accessories.

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D. At a time mutually agreed upon during system commissioning as stated above, the System Contractor shall give a cumulative of four (4) hours of instruction to the Owner's representative's designated personnel on the operation of the system and describe its intended use with respect to the programmed functions specified. Operator orientation of the BAS system shall include, but not be limited to, the overall operational program, equipment functions (both individually and as part of the total integrated system), commands, system generation, advisories, and appropriate operator intervention required in responding to the System's operation.

E. The training shall be a minimum of one half day orientation for a cumulative of

four (4) hours as follows with availability of a factory authorized training: 1. Training - initial training provided after customer has received beneficial

use of the system. 2. Additional training plus final session dealing with more advanced topics

and answer questions. 1.6 WARRANTY

A. All components, parts and assemblies shall be guaranteed against defects in material and workmanship for a period of one year after Formal Acceptance date. Refer to Paragraph 1.9, Acceptance Test.

1.7 INSPECTION

A. During the inspection the Contractor will be required to show that the physical installation and system functions are in accordance with the Specifications.

1.8 SUBSTANTIAL COMPLETION

A. All equipment and devices connected to the control equipment to be individually checked out, in the presence of the Engineer or Commissioning Agent, for proper operation and connection. Any deficiencies will be identified on a punch list. The substantial completion date will be determined by the absence of major deficiencies on the final punch list. The Engineer may elect to discontinue the inspection and require the Contractor to reschedule, if numerous deficiencies are discovered.

1.9 ACCEPTANCE TEST

A. Upon completion of the installation, the Contractor shall assist in starting up of the system to ensure proper operation for the control system. An acceptance test in the presence of the Owner's representative and/or the commissioning agent shall be performed.

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B. If any hardware or software supplied by the Contractor fails any part of the acceptance test, the Contractor shall correct the deficiencies and upon suitable evidence to the Owner and Engineer of the correction(s), a new acceptance shall be scheduled with the same requirements. Successful completion of the acceptance test will establish the System Acceptance Date, and the beginning of the warranty period.

PART 2- PRODUCTS 2.1 TYPE OF CONTROL SYSTEMS

A. DDC system: 1. Central equipment shall control global application functions and provide

for data consolidation and analysis. Sensed data input and control action output shall be functions of stand alone field hardware panels which are to be located within their specific data environments. The system shall provide the means for operator interface with, and control over, dynamic data process manipulation, system supervision, and system points. System points are listed in these Specifications.

2. The DDC system shall be modular in design, consisting of central equipment, operator peripheral devices and field hardware panels interconnected in a multiplexing communications network. The hardware supplied shall consist of physical components which meet industry standards, support the required communication scheme, do not require customization to meet the requirements of this specification, and are normally held in inventory by the Contractor/supplier.

3. Provide supplementary electric, or electronic devices as required for fully functional control system.

4. All wiring shall be labeled, with number shown on control drawings. 5. Gauges shall be shown on control diagram.

B. Controls and Power Wiring:

1. Provide all low and line voltage (120 vac and less) control wiring not specifically excluded. Division 16 Electrical shall provide 120 vac grounded circuit to all DDC Controller panels, i.e.: MBC, SCU, DPU, Auxiliary Panels, UPS, etc. and any computer terminals & peripherals.

2. The Contractor shall furnish and install all electric conduit and wiring which is necessary for the control of manual or automatic start-stop of any equipment included in this Section of the Specifications. Included in this work are all sensor wiring, remote control wiring, all interlock wiring for fan & pump starters, etc.

3. All wiring exterior to the control cabinets shall be in thin wall or galvanized steel conduit in exposed areas to a 10 feet height from floor level. Conduit and wire installation shall conform to all applicable codes.

4. Provide low voltage cable of not less than 24 gage. Where codes permit, low voltage cable may be run outside of conduit in concealed & accessible locations.

5. Control voltage shall not exceed 120 volts.

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6. All 120 volts wiring shall be a minimum of 16 gage stranded, THHN insulation and properly protected against over current.

7. Conduit Sizing: Minimum size conduit shall be 1/2-inch. Conduits shall be sized for 25% future capacity and all conduits larger than 1-inch shall have nylon pull string installed with the wire to accommodate pulling future wires.

8. No splices will be allowed except at junction boxes and control centers. 9. Wire mold is acceptable for surface mounting in occupied areas where

concrete or concrete block construction prevent routing wire through wall interior. All wire mold routing must be prior approved by Engineer before installation. Wire mold to be UL approved.

10. Metal channel with snapping or hinged top cover for routing low voltage wiring or pneumatic tubing, approved by Engineer.

2.2 CONTROL DEVICES

A. General: The major components of the control system shall conform to the following requirements. Provide additional components as required for the complete control system. Reuse existing where appropriate.

B. DDC Room Thermostats:

1. Concealed setpoint adjustment 2. Override switch for each zone or HVAC unit to be on a time schedule 3. Standard surface mount with beige plastic cover in general use areas 4. Flush or duct mount in areas subject to damage

C. Other Room Thermostats:

1. Standard surface mount with beige plastic cover in general use areas 2. Flush or duct mount in areas subject to damage

D. Freeze Stats: Averaging element type where any 12 inch section of measuring

element that senses temperatures below setpoint causes actuation of thermostat. Device to be 2PST switch action with manual reset. Initial setpoint 40ºF. Thermostat to be located at leaving side of first water coil in OSA stream.

E. Flow Indication: Differential pressure switches or current sensitive switches.

F. Air Differential Pressure: Setra model C264, or approved equal.

G. Air Flow Measuring: Dieterich Standard Airbar, or approved equal.

H. Relays: Time Delay; P&B knob adjustable, 0-20 min. plug-in type, or approved

equal.

I. Panel Mount: Idec model RH2B with indicating lamp, or approved equal.

J. Remote Mount; Honeywell model R4225/8225 enclosed, or approved equal.

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K. Transformers: Transformers selected and sized for appropriate VA capacity, installed and fused according to applicable codes. Provide wiring to nearest suitable power source as required.

L. DDC Sensors: All sensing inputs shall be provided via industry standard signals.

Temperatures, humidities, differential pressure signals, and all other signal inputs shall be one of the following types: 1. 0-20 mA 2. 4-20 mA 3. 0-5 VDC 4. 0-10 VDC

M. All signal inputs shall be compatible with the controllers used, and with the

requirement for readout of variables as specified.

N. All temperature sensors to be solid state electronic utilizing an RTD sensor. Sensors shall provide a linear resistance change per degree temperature change. Wall sensors to be thermistor or RTD type housed in tamper proof enclosures. Duct sensors to be electronically identical housing suitable for the application.

O. Use averaging sensors for mixed air temperature, freeze protection, and any

other situation where stratification of more than 2ºF across the duct section is likely.

2.3 CONTROL PANELS

A. Provide steel local control panels. Re-use existing panels where applicable.

B. Control panels shall have hinged door and locking handle.

C. Provide in-line air dryers for all panels with pneumatic control air. 2.4 NETWORKING COMMUNICATIONS

A. Each field unit shall be capable of performing all specified control functions in a completely independent manner. If any one field unit or communications processor malfunctions within the system, all other field units will continue to control, monitor, and have the ability to be accessed and programmed without being in a degraded mode.

B. The design of the Building Automation System (BAS) shall network operator

workstations and stand-alone DDC Controllers. The network architecture shall consist of two levels, a high performance peer-to-peer network and DDC Controller specific local area networks.

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C. Access to system data shall not be restricted by the hardware configuration of the building automation system. The hardware configuration of the BAS network shall be totally transparent to the user when accessing data or developing control programs.

D. Each field unit shall be capable of sharing point information with other such units,

such that control sequences or control loops executed at one control unit may receive input signals from sensors connected to other units within the network. If the network communication link fails or the originating control unit malfunctions, the control loop shall continue to function using the last value received from the failed component.

E. Peer-to-Peer Network Level:

1. Operator workstations and DDC Controllers shall directly reside on a network such that communications may be executed directly between DDC Controllers, directly between workstations and between DDC Controllers and workstations on a peer-to-peer basis.

2. All operator devices either network resident or connected via dial-up modems shall have the ability to access all point status and application report data or execute control functions for any and all other devices via the peer-to-peer network. Access to data shall be based upon logical identification of building equipment. No hardware or software limits shall be imposed on the number of devices with global access to the network data.

3. Network design shall include the following provisions: 4. Provide high-speed data transfer rates for alarm reporting, quick report

generation from multiple controllers and upload/download efficiency between network devices. System performance shall insure that an alarm occurring at any DDC Controller is displayed at local workstations and/or alarm printers within 5 seconds.

5. Support of any combination of DDC Controllers and operator workstations directly connected to the peer-to-peer network. A minimum of 32 devices shall be supported on a single network.

6. Message and alarm buffering to prevent information from being lost. 7. Error detection, correction and re transmission to guarantee data integrity. 8. Synchronization of real-time clocks, to include automatic daylight savings

time updating between all DDC Controllers shall be provided.

F. DDC Controller Local Area Network (LAN): 1. This level communication shall support a family of application specific

controllers and shall communicate bi-directionally with the peer-to-peer network through DDC Controllers for transmission of global data.

2. Application specific controllers shall be arranged on the LANs in a functional relationship manner with DDC Controllers. For example, a VAV terminal unit controller shall be on a LAN from the DDC Controller that is controlling its corresponding AHU.

3. A maximum of 32 application specific controllers may be configured on individual DDC Controller LANs to insure adequate global data and alarm response times.

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G. Telecommunication Capability: 1. Network communications shall be provided to allow DDC Controllers to

communicate with remote operator stations and/or remote terminals on an intermittent basis.

2. Operators at networked workstations shall be able to perform all control functions, all report functions and all database generation and modification functions as described for workstations connected via the network. Routines shall be provided to automatically answer calls from remote DDC Controllers. The fact that communications are taking place with remote DDC Controllers over the network or internet shall be completely transparent to an operator.

3. An operator shall be able to access remote buildings by selection of any facility by its logical name.

4. A Personal Computer (PC) workstation may serve as an operator device on a network, as well as multiple DDC Controllers over the internet. Alarm and data file transfers handled via network transactions shall not interfere with network activity.

2.5 DDC CONTROLLER

A. Stand-alone Controllers shall be Reliable Controls, microprocessor-based with a minimum word size of 16 bits. They shall also be multi-tasking, multi-user, real-time digital control processors consisting of modular hardware with plug-in enclosed processors, communication controllers, power supplies and input/output point modules. Controller size shall be sufficient to fully meet the requirements of this specification and the point list located on the plans.

B. Each DDC Controller shall have sufficient memory to support its own operating

system and databases, including: 1. Control processes 2. Energy management applications 3. Alarm management applications including custom alarm messages for

each level alarm for each point in the system. 4. Historical/trend data for points specified 5. Maintenance support applications 6. Custom processes 7. Operator I/O 8. Manual override monitoring

C. The DDC system shall be capable of supporting the type and number of

hardware points listed in these Specifications. In addition, the DDC system shall support all software points necessary for the specified control and alarm functions.

D. Each DDC Controller shall support:

1. Monitoring of the following types of inputs, without the addition of equipment outside the DDC Controller cabinet: a. Analog inputs

i. 4-20 mA

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ii. 0-10 Vdc iii. Thermistors iv. 1000 ohm RTDs

b. Digital inputs i. Dry contact closure ii. Pulse Accumulator iii. Voltage Sensing

E. Direct control of electronic actuators and control devices. Each DDC Controller

shall be capable of providing the following control outputs without the addition of equipment outside the DDC Controller cabinet: 1. Digital outputs (contact closure)

a. Contact closure (motor starters, sizes 1-4) 2. Analog outputs

a. 4-20 mA b. 0-10 Vdc

F. Expansion of the DDC system shall accommodate additional hardware

components to meet the expansion requirements but shall not require special software to achieve this expansion or which modifies the system operating program.

G. DDC Controllers shall provide at least one communication ports for operation of

operator I/O devices such as industry standard printers, operator terminals, and portable laptop operator's terminals. DDC Controllers shall allow temporary use of portable devices without interrupting the normal operation of permanently connected devices.

H. As indicated in the point I/O schedule, the operator shall have the ability to

manually override automatic or centrally executed commands at the DDC Controller via local, point discrete, on-board hand/off/auto operator override switches for digital control type points and gradual switches for analog control type points. These override switches shall be operable whether the panel processor is operational or not.

I. Switches shall be mounted either within the DDC Controllers key-accessed

enclosure, or externally mounted.

J. DDC Controllers shall monitor the status of all overrides within the BAS and inform the operator that automatic control has been inhibited. DDC Controllers shall also collect override activity information for reports.

K. DDC Controllers shall provide local LED status indication for each digital input

and output for constant, up-to-date verification of all point conditions without the need for an operator I/O device. Graduated intensity LEDs or analog indication of value shall also be provided for each analog output.

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L. Each DDC Controller shall continuously perform self-diagnostics, communication diagnosis and diagnosis of all panel components. The DDC Controller shall provide both local and remote annunciation of any detected component failures, low battery conditions or repeated failure to establish communication.

M. Each unit including cabinet, power supply, function cards and termination

modules shall be approved by the U.L. Each unit shall have pin-hinged door and master keyed lock. Field units shall be capable of proper operation in an ambient environment of 32F and 110F and 10% to 90% RH.

N. Isolation shall be provided at all peer-to-peer network termination's, as well as all

field point termination's to suppress induced voltage transients consistent with IEEE Standards 587-1980.

O. In the event of the loss of normal power, there shall be an orderly shutdown of all

DDC Controllers to prevent the loss of database or operating system software. Non-volatile memory shall be incorporated for all critical controller configuration data and battery backup shall be provided to support the real-time clock and all volatile memory for a minimum of 72 hours.

P. Upon restoration of normal power, the DDC Controller shall automatically resume

full operation without manual intervention.

Q. Should DDC Controller memory be lost for any reason, the user shall have the capability of reloading the DDC Controller via the local communication port or from a network workstation PC.

2.6 DDC CONTROLLER RESIDENT SOFTWARE FEATURES

A. General: 1. All necessary software to form a complete operating system as described

in this specification shall be provided. 2. The software programs specified in this Section shall be provided as an

integral part of DDC Controllers and shall not be dependent upon any higher level computer for execution.

3. Software should be set-up for operator level changes of room setpoint, on/off scheduling and timed override without knowledge, or skills of programmer language.

4. The DDC programming language shall be designed for HVAC and energy management applications. All DDC programming, editing, and data base generation, as well as definition of the monitor, control, and reporting functions shall be performed on-line by any operator station assigned this capability.

5. A variety of historical data collection utilities shall be provided to manually or automatically sample, store and display system data for points as specified in the I/O summary.

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B. DDC Controllers shall store point history data for selected analog and digital inputs and outputs: 1. Any point, physical or calculated may be designated for trending. Any

point, regardless of physical location in the network, may be collected and stored in each DDC Controllers point group. Two methods of collection shall be allowed: either by a pre-defined time interval or upon a pre-defined change of value. Sample intervals of l minute to 7 days shall be provided.

2. At minimum, all points listed in project I/O Schedule will initially be trended.

C. Trend data shall be stored at the DDC Controllers and uploaded to the

workstation when retrieval is desired. Uploads shall occur based upon either user-defined interval, manual command or when the trend buffers are full. All trend data shall be available for use in 3rd party personal computer applications.

D. DDC Controllers shall also provide high resolution sampling capability for

verification of control loop performance. Operator-initiated automatic and manual loop tuning algorithms shall be provided for operator-selected PID control loops as identified in the point I/O summary. Provide capability to view or print trend and tuning reports.

E. DDC Controllers shall automatically accumulate and store run-time hours for

digital input and output points as specified in the point I/O summary.

F. The totalization routine shall have a sampling resolution of one minute or less.

G. The user shall have the ability to define a warning limit for run-time totalization. Unique, user-specified messages shall be generated when the limit is reached.

H. DDC Controllers shall automatically sample, calculate and store consumption

totals on a daily, weekly or monthly basis for user-selected analog and digital pulse input type points as specified in the point I/O summary.

I. Totalization shall provide calculation and storage of accumulations of up to

99,999.9 units (e.g., KWH, gallons, BTU, tons, etc.). J. The totalization routine shall have a sampling resolution of one minute or less.

K. The user shall have the ability to define a warning limit. Unique, user specified

messages shall be generated when the limit is reached. L. DDC Controllers shall have the ability to count events such as the number of

times a pump, chiller, boiler, or fan system is cycled on and off. Event totalization shall be performed on a daily, weekly or monthly basis for points as specified in the point I/O summary.

M. The event totalization feature shall be able to store the records associated with a

minimum of 9,999.9 events before reset.

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N. The user shall have the ability to define a warning limit. Unique, user-specified messages shall be generated when the limit is reached.

O. Each logical point in the system has a six character "Point Name" in addition to

the 12 character point descriptors. The point names will be structured to facilitate wild card & logical grouping and be similar to the following: 1. 1st & 2nd character - alpha/numeric code describing mechanical

equipment #, floor #, bldg #, area, system, etc. 2. 3rd & 4th character - alpha/numeric code describing Unit #, AH #, etc. 3. 5th & 6th characters - alpha/numeric code describing point type ie: MT

for mixed air temp, etc. 2.7 SYSTEM POINT LIST

A. The Contractor shall provide all sensors and controllers to provide the system monitoring and controls for each system point in accordance with the Systems Point List on the plans and as required by the narrative of control operation/sequences and strategies in this section.

2.8 AUXILIARY/CONTROL PANELS

A. Provide enameled steel enclosures meeting NEMA specifications for mounting auxiliary devices and miscellaneous components. This does not include sensors intended for direct mounting.

2.9 ELECTRIC CONTROL VALVE ACTUATORS

A. The valve actuator shall be of a similar type as the control damper actuator. The actuator shall mount onto the valve linkage, using only one screw. The valve linkage shall be made of sturdy die-cast aluminum, to prevent twisting and distorting. The rotary motion of the actuator shall be transmitted through a shaft running in bearings made of sintered bronze. The bronze shall be impregnated with oil for long life and have a self-adjusting floating rack and pinion, and valve operating rod. Constant force shall be kept on the valve seat, without power to the actuator, by using a special spring mechanism built into the internal rack assembly. This feature shall maintain a tight shutoff of the valve, even with large temperature variations.

2.10 CO2 SENSORS

A. CO2 Sensors shall have a range of 0-2000 ppm.

B. CO2 sensors shall have 5 year expected time between calibrations.

C. Sensor shall have a field selectable 4-20mA, 0-5V, and 0-10V output.

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D. CO2 sensor shall have a sensor-mounted display to indicate the measured CO2 concentration.

E. Wall sensors shall be Veris CWL series or engineer-approved equivalent.

F. Duct sensors shall be Veris CDL series or engineer-approved equivalent.

PART 3 - EXECUTION 3.1 GENERAL

A. Provide installation of BAS upgrade including electrical work necessary. Coordinate new controls and mechanical work with Dx cooling system Contractor. Provide additional sensors and valve and damper actuators as required. Provide and install (any additional) controllers, panels, and variable frequency drives for the multizone fan motors.

3.2 INSTALLATION OF DEVICES

A. Room Temperature Sensors: Mount at same location as existing wall mounted thermostats. Pendant mount sensors by prior Owner approval only. When sensor locations are not specifically located on plans the control Contractor project manager may field determine sensor location. Most sensor locations will replace existing thermostat locations.

B. Duct Temperature Sensors: Return Air to be single point probe, duct housing

type.

C. Supply Air to be averaging element, duct housing type.

D. Mixed Air to be averaging element, duct housing type.

E. Install duct temperature sensors and averaging duct temperature sensors for best mixed air temperature representation. Run Twisted Shielded Pair (TSP) wire from sensor to pair.

F. Mixed Air Dampers: Install new DDC actuators for the mixed air dampers. Verify

proper operation and sequencing of dampers.

G. Steam Control Valve: Install new DDC actuator for the steam control valve. Verify proper operation and sequencing.

H. Stand-Alone Control Panels: Control devices shall be wired without splices to

terminal strips and identified by color coding or wire markers. Locate local panels as approved.

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3.3 GRAPHICS

A. Provide a typical graphic in the computer workstation for each major mechanical system. An example of a major mechanical system is a chiller, air handler including zone terminal boxes, or boiler.

B. Provide graphic floor plans to indicate the location and status of each item of

monitored and controlled equipment. Provide jump screens to each equipment schematic. Each floor plan (or section) to display each temperature alarm point, and sensor location with current (dynamic) value of sensor.

C. Provide an individual schematic diagram for each air handler with associated

return air or exhaust fans, Dx cooling system including related condensing system, valves, etc., boiler system and related components. Every control point is to be keyed to an appropriate system graphic such that the operator can access data by point and clicking without reference to points listed.

D. Construct the graphic menus to accommodate future floor plans and equipment schematic graphics.

3.4 IDENTIFICATION

A. Provide engraved nameplates identifying all switches and lights, and each control device where the control function is not readily apparent. Provide Dynamo label or permanent black ink marker ID inside of each thermostat cover.

3.5 INSTRUMENT MOUNTING

A. Controls are to be securely mounted. Equipment shall be installed in accordance with the manufacturer's prescribed procedure. Adequately reinforce, and make air-tight, all duct and wall penetrations. Instrument mounting locations must be free of vibration. Mounting of motorized actuators directly to sheet metal, lighter than 18 gauge, is prohibited, unless adequately reinforced.

3.6 ELECTRICAL

A. Provide control wire in conduit in exposed areas to a height of 10 feet from floor. Above 10 feet, wire may be run exposed if neatly bundled and adequately tied to ceiling structure or piping and run parallel to building lines.

B. Control voltage shall be limited to a maximum of 120 volts.

C. Where a relay coil or pilot light is connected to the load side of a motor starter to energize with motor operation, the external control circuit shall be properly fused with the fuse block located in the respective starter enclosure.

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D. Where relays are used to control single phase motors directly, the contacts of these relays shall be rated for not less then the horsepower rating of the largest motor switched by the relay.

3.7 WORK INSTALLED BY OTHERS

A. Contractor for new Dx cooling system to provide system startup including checkout and adjust condenser for optimum capacity and safe operation. BAS by Reliable Controls dealer to provide cooling staging and enable. Power supply by others; all low voltage wiring by Reliable Controls dealer involving BAS.

3.8 EQUIPMENT LOCATION

A. Equipment shall be located to allow for easy access of maintenance and replacement. Equipment shall be installed such that it does not interfere in any way with access to adjacent equipment, or personnel traffic in the surrounding space. Reuse existing control panels where appropriate.

B. Equipment shall be located for adequate ambient conditions, allowing for

ventilation, temperature, and away from water, and electrical, or other hazards. 3.9 ADDITIONAL CONTROL PANEL/S

A. Control panel, wiring and all terminal devices as per the Specifications and the manufacturer's recommendations.

B. Mount new control panel near existing control panel, or reuse/replace existing, if

appropriate, and connect to electrical power source. 3.10 CONTROL SEQUENCES

A. General: 1. The control sequences specified below are to be achieved by means of

the customized software utilizing direct digital controls. 2. All strategies specified in this section are sequence of operation

requirements. 3. Control Contractor to verify & implement appropriate sequences indicated

via approved control submittals. The physical points listed in the Plans are to be utilized to provide custom HVAC control specific to this facility including required control of based on safety alarms.

4. Fans with VFDs shall ramp slowly using a 120 second full scale ramp unless indicated otherwise or required for proper sequence operation. Fans shall shut off without ramp down on fan stop.

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5. Fan shutdown of an individual unit due to any alarm, failure, or equipment protection mode shall create and record an alarm that identifies the affected unit and reason for fan stoppage. Individual unit alarms shall not be displayed or recorded for fan stoppage due to system wide alarms unless the unit initiated the alarm.

6. The sequences of operation for the mechanical equipment are output object oriented. They are grouped, first according to type of unit, then listed by the physical output points controlling that unit. Listed after each output are the sequences that operate that output in the order of priority. Items listed first take precedence over subsequent items. For example, when referencing the supply fan start/stop of a unit, the Fire Alarm is listed ahead of the schedule mode since it takes precedence. If a Fire Alarm input is activated requiring a supply fan to stop, the output is stopped and all further items of control below and of a lower priority are skipped.

7. Unit Proof Alarms: Any discrepancy between the commanded state of a device and its unit proof point will initiate a proof failure alarm. To eliminate nuisance alarms due to communications delays, a continuous discrepancy is required for 5 minutes (adjustable) before initiating the alarm. A unit proof alarm will identify the device that does not agree with its proof point as well as both the commanded state of the device and the indication from the proof point.

B. Unoccupied Low Limit Operation: 1. During unoccupied periods, Unoccupied Low Limit Operation shall be

triggered by 2 (user adjustable) or more space temperatures, that indicate

less than the unoccupied heating setpoint 60F (user adjustable) 2. Note that during Unoccupied operation all units will continue to use their

heating setpoints, not the their unoccupied low limit setpoint, for space temperature control.

3. Unoccupied Low Limit Operation will terminate when all space

temperature sensors are 5F (user adjustable) greater than the unoccupied heating setpoint.

C. Unoccupied High Limit Operation: 1. During unoccupied periods, Unoccupied High Limit Operation shall be

triggered by 2 (user adjustable) or more space temperatures, that indicate

greater than the unoccupied Cooling setpoint 85 F (user adjustable). 2. Note that during Unoccupied operation all units will continue to use their

cooling setpoints, not the their unoccupied high limit setpoint, for space temperature control.

3. Unoccupied High Limit Operation will terminate when all space

temperature sensors included in the polling are 5F (user adjustable) less than the unoccupied cooling setpoint.

D. Optimal Start: 1. Optimal start shall be calculated using a running average of historical

start times necessary to bring all zones up to occupied temperatures upon occupancy.

E. Multizone Air Handler (MZ-1) 1. Supply Fan Start Stop:

a. The supply fan shall stop due to any of the following: i. Fire smoke alarm.

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ii. High fan discharge static pressure. High fan static pressure setpoint shall initially be 2”w.c. (user adjustable).

iii. Freeze thermostat alarm iv. Supply or return fan VFD failure alarm.

b. Fans will automatically restart from a fire smoke alarm or a VFD failure alarm after the alarm is manually cleared.

c. Fans will automatically restart from a high fan differential pressure shutdown after a 5-minute delay (user adjustable). Fans will remain off after 3 high static shutdowns (user adjustable) in a period of 60 minutes (user adjustable).

d. Fans will automatically restart from a Freeze stat shutdown (freeze protection device shall be auto reset type) after the alarm clears and a minimum 5-minute delay (user adjustable). Fans will remain off after 3 (user adjustable) freeze shutdowns in a period of 60 minutes (user adjustable).

e. The supply fan starts due to signal from sensor mounted time override buttons for zones served. Timed override duration shall be 2 hours (user adjustable).

f. The supply fan starts and stops based on the users time of day schedule.

g. The supply fan starts due to the optimal start calculation. h. The supply fan starts and stops due to Unoccupied Low or High

Limit Sequence. 2. Return Fan Start Stop:

a. The return fan shall start and stop with the supply fan. 3. Supply Fan Speed:

a. The supply fan speed shall be bounded between the Max Fan Speed (MXFS, established by balancer to provide design flow) and the Min Fan Speed. The Min Fan Speed (MNFS) shall be 50% (user adjustable) of the Max Fan Speed.

b. The supply fan speed shall be modulated to maintain the supply fan discharge static pressure (DSP) set point.

4. Supply Fan Discharge Static Pressure Setpoint (DSP): a. The balancer shall determine the discharge static pressure

required to ensure design airflow to each zone at full flow conditions (both heating and cooling).

5. Return Fan Speed: a. The return fan speed shall track the supply fan speed minus an

adjustment necessary to maintain a slightly positive building pressure. The balancer shall establish the return fan relationship as a function of supply fan speed using a minimum of two points: the minimum supply fan speed (MNFS) and the maximum supply fan speed (MXFS). At each supply fan speed the balancer shall determine the return fan speed that results in a building pressure of 0 to 0.01”w.c. The return fan speed (RFS) shall be calculated by interpolating between these two points as a function of supply fan speed.

6. Economizer (Mixed Air) Damper Control a. The economizer shall close to 0% (outside air damper fully closed)

due to a Freeze Stat Alarm.

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b. The economizer shall close to 0% whenever the supply fan is off. c. The economizer shall close to 0% during all unoccupied operation

when the steam heating valve is open more than 2% (this includes optimal start and unoccupied low limit, etc.)

d. The economizer shall modulate to prevent the mixed air temperature from dropping below the Minimum Mixed Air

Temperature Setpoint, 45 F (user adjustable). e. During occupied operation the economizer position shall be equal

to or greater than the Minimum Economizer Position based on Return Air CO2 (ECO2).

f. Whenever the Supply Fan is ON and the Outside Air Temperature exceeds the return air temperature, the economizer will modulate closed to the ECO2 position.

g. The economizer shall modulate as the first stage of cooling as specified in the Cooling Coil Valve sequence.

7. Minimum Mixed Air Damper Position based on Return Air CO2 (ECO2): a. CO2 sensors shall be located within the return ducting for the

respective zones: i. North Circuit Courtroom ii. South Circuit Courtroom iii. District Attorney Conference room iv. Multizone Air handler main return air duct

b. The balancer shall establish the mixed air damper position that provides design outside airflow (DOA).

c. The balancer shall establish the mixed air damper position that provides 50% of design outside airflow (MOA).

d. The minimum mixed air damper position shall be interpolated based on the highest zone CO2 reading per the following table:

Highest Return Air CO2 Minimum Economizer Position

500 MOA

800 DOA

8. Steam Heating Coil Valve Position:

a. The heating coil shall open to 100% due to a Freeze Stat Alarm.

b. The heating coil valve shall modulate to maintain the Hot Deck Temperature Setpoint.

9. Hot Deck Temperature Setpoint: a. During Optimal Start morning warmup or Unoccupied Low Limit

operation the minimum Hot Deck Temperature Setpoint shall be

90 F (user adjustable). b. The initial Hot Deck Temperature Setpoint will be interpolated

based on the following table (Initial Setpoint values to be user adjustable):

Hot Deck Temperature Setpoint (F) Outside Air Temperature (F)

75 75

80 50

90 30

105 10

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c. Maximum Hot Deck Temperature Setpoint will be limited based on outside air temperature as follows (Maximum Hot Deck Temperature Setpoint values to be user adjustable):

Hot Deck Temperature Setpoint (F) Outside Air Temperature (F)

75 75

88 50

100 30

110 10

d. Minimum Hot Deck Temperature Setpoint will be 70 F (user adjustable).

e. The Hot Deck Temperature Setpoint will reset every 12 minutes based on the maximum Hot Deck Zone Damper Position as follows: i. If 2 (user adjustable) or more zone dampers are at 100%

then increment the Hot Deck Temperature Setpoint by 2 F (user adjustable).

ii. If no zone dampers are at 100% then decrement the Hot

Deck Temperature Setpoint by 1.6 F (user adjustable). 10. Cooling Staging:

a. The Economizer and the Cooling (Compressor) Staging operate in sequence to achieve the Cold Deck Temperature Setpoint as follows (table values shall be user adjustable):

Economizer Position Cooling Stage PID Command

Minimum% to 100% None 0% to 40%

100% Stage 1 60% to 80%

100% Stage 2 80% to 100%

11. Cold Deck Temperature Setpoint:

a. The Cold Deck Temperature will reset between a minimum value

of 50 F and a maximum value of 65 F b. The initial Cold Deck Temperature Setpoint shall be established

base on the following table (Cold Deck Temperature Setpoint values to be user adjustable):

Cold Deck Temperature Setpoint

(F) Outside Air Temperature (F)

65 50

60 70

54 90

50 100

c. The Cold Deck Temperature Setpoint will reset every 12 minutes

based on the maximum Cold Deck Zone Damper Position as follows: i. If 2 (user adjustable) or more zone dampers are at 100%

then decrement the Cold Deck Temperature Setpoint by 1 F (user adjustable).

ii. If no zone dampers are at 100% then increment the Cold

Deck Temperature Setpoint by 0.7 F (user adjustable).

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12. Zone Damper control: a. Hot and cold deck zone dampers operate sequentially and

independently. Hot and cold deck dampers shall not open simultaneously except when transitioning between zone heating and cooling.

b. The hot deck zone damper shall modulate between 50% (adjustable) and 100% (adjustable) to maintain the space heating setpoint.

c. The cold deck zone damper shall modulate between 50% (adjustable) and 100% (adjustable) to maintain the space cooling setpoint.

d. Zone dampers will remain in the current heating or cooling mode when the space temperature is between the heating and cooling setpoint. Zones will transition between heating and cooling as appropriate when a heating or cooling setpoint is exceeded.

3.11 CENTRAL STATION REQUIREMENT

A. Whenever a setpoint is referred to as “adjustable” in these standards, the setpoint is to be easily and directly adjustable at the operator’s terminal and Central Control Building station, and is not to require any code modification. In general, this will require assigning virtual points to all adjustable setpoints. Frequently adjusted points, including space temperature setpoints, shall be adjustable from the graphics screen.

END OF SECTION

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PART 1 - GENERAL

A. Work related to Division 26 of the Specifications is described in other Divisions. All Divisions and Sections of these Specifications apply even though not described here.

1.1 WORK INCLUDED

A. This Division of the Specification covers procedures, products, methods, and other electrical aspects of this Contract. Other portions of the Contract Documents may contain electrical requirements also.

1.2 DEFINITIONS

A. In modification of definitions made elsewhere in this Specification, where the words "furnish", "provide", and "install" appear in this Division, or a manufacturer is indicated with item or product catalog number listed, install and furnish the item complete and operating for the purpose of function intended, unless otherwise noted.

B. All references to power system voltages are RMS per definition in NEC Article

100. C. “Engineer” means the designated person or firm assigned to be the Owner’s

representative regarding the electrical portions of the Contract. 1.3 SUBSTITUTION REQUESTS

A. Pre-bid Substitution Requests: Follow the requirements of Section 01 23 00, or other Contract Documents that describe substitution request requirements. 1. Substitution requests must be received at least 10 days prior to the Bid

opening date to be considered. 2. Pre-bid substitution approvals, if granted, will be covered by an

Addendum issued to all bidders. 3. So that pre-bid substitution requests may be considered in a timely

manner, submission to the Engineer may be made concurrently with the routing required elsewhere in the Contract Documents.

B. Submit on request form included with the Specifications. If the form is not

included, use an industry standard form. Provide complete data substantiating compliance of the proposed substitution with Contract Documents.

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1.4 SUBMITTALS

A. Follow requirements of Section 01 33 00, or other Contract Documents that describe submittal requirements. Make submittals on the following items: 1. Wiring devices. 2. Panelboards. 3. Over-current protective devices and associated components 4. Raceway systems for use in finished areas, which includes “Wiremold”

style metallic and non-metallic raceway. 5. Any product included in an equipment schedule. 6. Or as indicated in individual specification sections.

B. Provide complete data substantiating compliance of the submitted item with

Contract Documents. C. Operation and Maintenance Data: Submit the following prior to final acceptance

and Contractor's request for final payment for Division 26 Work in conformance with the Project Closeout requirements of the General Conditions and Division 1. 1. As-built drawings and schedules. 2. Provide three complete sets of Maintenance and Operation Manuals

including, but not limited to, the following: a. Schematic diagrams, installation wiring diagrams and instructions

and Maintenance / Operation Manuals for all signaling, control systems, and equipment.

b. Copies of certificates of Code Authority acceptance, and test data and other special guarantees, warranties, etc. specified elsewhere and/or indicated on the Drawings.

1.5 DELIVERY, STORAGE, AND HANDLING

A. Acceptance at site: 1. Do not use scratched, marred, or deformed materials. 2. Do not use fixtures, materials, or equipment in wet cartons or boxes,

stored in, or exposed to rain, water, dust, dirt, or snow. 1.6 SEQUENCING AND SCHEDULING

A. Cooperation with Other Crafts: Cooperate with other crafts and/or contracts as may be necessary for the proper execution of the Work in the construction.

B. Prior to the installation and connection of the Division 26 Work, verify the

requirements indicated in Division 26 with the requirements and characteristics of the other Divisions, the Owner, and/or other contractor's equipment.

C. Obtain wiring or schematic diagrams for confirmation and connections. Obtain

equipment nameplate data and compare to design drawings. Bring deviations to the attention of the Engineer.

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D. Consult the Drawings of all other trades or crafts to avoid conflicts with cabinets, counters, equipment, structural members, etc. Conflicts shall be resolved with the Engineer, prior to rough-in.

E. Safety: In accordance with generally accepted construction practices, the

Contractor is solely and completely responsible for conditions of the job site, including the safety of all persons and property during performance of the Work. This requirement applies continuously and is not limited to normal working hours.

1.7 WARRANTY

A. General Warranty: Without additional charge, replace any work or material which develops defects, except from abuse, within one (1) year from final acceptance, unless otherwise noted.

B. Contractor's warranty shall includes payment toward normal cost of labor for

replacement of ballasts. PART 2 - PRODUCTS

2.1 MANUFACTURERS

A. General: Like items from one manufacturer; i.e., fixture types, switches, receptacles, breakers, panels, etc., unless specifically noted otherwise on Drawings or in Contract Documents.

2.2 MATERIALS

A. Provide electrical materials of the type and quality indicated, or prior approved substitutes, new and listed by the Underwriters’ Laboratories, bearing their label, wherever standards have been established and label service is regularly furnished by them. Brand names and catalog numbers are used to establish standards of performance and quality. The description of materials listed herein governs in the event that catalog numbers do not correspond to the materials described.

2.3 ACCESSORIES

A. Special Features and Incidentals: Include special features, finishes, descriptions or requirements indicated in the Contract Documents for particular items or equipment, but not included by or in the item's listed catalog number.

B. Provide and install as part of the Contract work, all incidentals, hangers,

brackets, supports, framing, backing, signal transformers, relays, etc., not specifically mentioned herein or noted on the Drawings, but required to complete the system or systems, in a safe and satisfactory working condition.

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2.4 FABRICATION

A. Shop/Factory Finishing: Unless noted otherwise, modify manufacturer's products at the factory to comply with any special requirements noted. The Contractor is responsible for compliance.

PART 3 - EXECUTION

3.1 VERIFICATION

A. Verification of Conditions: The Bidder is expected to visit the site of proposed construction. Verify and inspect the site to determine the conditions that affect this Work. No allowances will be made for conditions that may be determined by cursory inspection.

B. Include in the Bid price all costs for the work and/or the materials required to

comply with the Contract Documents based on existing conditions, or the conditions otherwise described in the Contract Documents where other work is expected to occur prior to the start of electrical construction.

C. Failure to visit the site and verify conditions affecting work of this Division does

not relieve the Contractor from the necessity of doing any and all work which is necessary to make all electrical installations and systems complete.

D. Provide electrical equipment and distribution in accordance with NEC 240.83.

Verify available (AIC) fault currents and calculate available fault currents of distribution system.

E. Construction Documents: Electrical Drawings are diagrammatic, with symbols

representing electrical equipment, outlets, and wiring. Verify equipment ratings and loads.

F. Determine the routing and installation of electrical wiring and equipment with

conditions of construction and acceptance of the Engineer.

G. When deviations from the Drawings are required to make the electrical installation conform to site constraints or to problems associated with other crafts, obtain the Engineer’s approval prior to making any deviations from Drawings.

H. Data given herein and shown on Electrical Drawings is as exact as could be

secured, but absolute accuracy is not guaranteed.

I. Clarification: 1. Prior to submitting a Bid, bring to the attention of the Engineer any

ambiguous, conflicting, or unclear instructions. Such items will be clarified by the Engineer in Addendum form.

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2. In the event that time does not permit clarification prior to Bid opening, the Drawings govern in matters of quantity, the Specifications in matter of quality. In event of conflict on the Drawings or in the Specifications, the greater quantity and the higher quality apply.

J. Should the Contract Documents indicate a condition conflicting with the

Governing Codes and Regulations, refrain from installing that portion of the Work until clarified by the Engineer. Remove and correctly install, as part of the Contract Work, any Work which was installed in violation of the Governing Codes.

3.2 INSTALLATION

A. Codes and Permits: 1. Comply with the latest Rules and Regulations of the Codes of the State

and local authorities having jurisdiction. The Contractor is responsible for reviewing the applicable Codes prior to commencing the Work.

2. Furnish all materials and labor required for compliance with these Rules and Regulations. Items in excess of Code requirements take precedence.

3. Unless otherwise noted in the Contract Documents, obtain and pay for all required permits, plan check charges, and certificates. Deliver Certificates of Acceptance from the Code-Enforcing Authorities to the Engineer.

3.3 FIELD QUALITY CONTROL

A. Tests: 1. Conduct tests of equipment and systems to demonstrate compliance with

the requirements specified in Division 16. 2. Provide a journeyman electrician with tools, meters, instruments, and

other test equipment required. Remove and replace trims, covers, fixtures, test materials, systems, methods, and workmanship in the presence of the Engineer for a final review at completion of the Work.

3. In the presence of the Engineer conduct thorough tests of all control systems. Tests conducted by equipment/system authorized manufacturer's representative are permitted with prior approval.

B. Inspection: Do not close in or cover Work prior to review by the Engineer. C. The Contractor is responsible for the cost of uncovering and making repairs

where Work has been closed in or covered prior to review by the Engineer. This includes trenches and conduits stubbed out from buildings.

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3.4 CLEANING

A. Tools and Materials: 1. Keep tools and materials in an orderly manner throughout the

construction phase. 2. Upon completion of the Work, remove all excess supplies, materials,

tools, etc., furnished by the Electrical Contractor and subcontractors. B. Dirt, Debris, and Dust:

1. Remove all dirt and debris caused by the execution of the electrical work from the job site at frequent intervals appropriate to the progress of the Work, or as directed by the Engineer.

2. Leave the entire electrical system installed under this Contract clean, dust-free, and in proper working order.

C. Other Trades: Bring unsafe or unclean conditions created by other trades or

contractors that impact electrical construction work to the attention of the Project Manager.

3.5 NOISE CONTROL

A. Contactors, transformers, starters, and similar noise producing devices shall not be placed on walls which are common to occupied spaces, unless specifically called for on the Drawings. Where such devices must be mounted on walls common to occupied spaces, they shall be mounted or isolated in such a manner as to effectively prevent the transmission of their inherent noise to the occupied space.

B. Contactors, starters, transformers, and like equipment, which are found to be

noticeably noisier than other similar equipment on the project, will be deemed defective and require replacement.

END OF SECTION

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PART 1 - GENERAL 1.1 WORK INCLUDED

A. Wires and Cables. B. Connectors. C. Lugs and Pads.

PART 2 - PRODUCTS 2.1 MANUFACTURERS

A. Wires and Cables: Anaconda, General Electric, Hatfield, Okonite, Southwire, or equal.

B. Connectors for stranded conductors: Anderson, Burndy, Ilsco, T&B, or equal. C. Branch Circuit Splices: Ideal, 3M, or equal.

2.2 WIRES AND CABLES

A. General Requirements: 1. Copper conductors, 600 volt insulation for line voltage circuits. 2. Conductors #10 AWG and smaller may be either solid or stranded. 3. Conductors #8 AWG and larger shall be stranded. 4. Match existing color code, if any. If not, for phases A, B, and C, use:

a. black, red, and blue on 208v systems b. black, orange, and blue for 240v delta systems (orange is high

leg) c. brown, orange, yellow for 480v systems

5. Use code approved colors for neutral and ground conductors. 6. Use insulation types THWN, THHN, or XHHW unless noted otherwise. 7. Aluminum conductors are not permitted unless noted.

2.3 CONTROL CABLES

A. Class 2 Wiring: Unless larger conductors are required by the equipment, use 18 gauge, stranded copper, two conductor minimum. Insulation shall meet the requirements of the accessible building void space if required by Code. Use plenum rated cable where required.

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2.4 CONNECTORS

A. Lugs: Use indent/compression type with stranded branch circuit or control conductors.

B. Solid Conductor Branch Circuits: Use spring connectors, wire nuts, for

conductors #18 through #10 AWG.

C. Terminal Blocks: Set screw connectors of the size and type required for the circuit may be used upon approval by Engineer.

3 EXECUTION 3.1 INSTALLATION

A. Conductor Installation: Install conductors in raceways having adequate, code size cross-sectional area. Install conductors with care to avoid damage to insulation during installation. Do not apply greater tension on conductors than recommended by manufacturer.

B. Conductor Size and Quantity: Install no conductors smaller than #12 AWG for

line voltage circuits unless otherwise shown. The number of conductors in a conduit run (except ground) may be indicated on Drawings with diagonal hash marks on conduit run.

C. Conductors in Panels and Cabinets: Cable and tree all wires in panels and

cabinets for power and control. Use plastic ties in panels and cabinets. Tie and bundle feeder conductors in wireways of panelboards. Hold conductors away from sharp metal edges. Add insulating trim as needed around metal edges for mechanical protection.

END OF SECTION

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PART 1 - GENERAL 1.1 WORK INCLUDED

A. Raceways.

B. Conduit Fittings.

C. Sealant.

D. Sealing Fire Rated Penetrations.

E. Sleeves and Chases.

F. Outlet Boxes

G. Weatherproof Outlet Boxes

H. Junction & Pull Boxes

1.2 CONDUITS

A. Galvanized rigid conduit (GRC) shall be zinc coated mild steel pipe manufactured in accordance with UL-6, ANSI, and Federal Specification W-C-540 standards.

B. Intermediate metallic conduit (IMC) shall comply with UL-1242, Type J and ANSI

Standards. C. Electrical metallic conduit (EMT) shall be steel and comply with UL-797 and ANSI

Standards. D. Non-metallic plastic conduit (PVC) polyvinyl chloride, schedule 40, shall comply

with Federal Specifications W-C-1094 and NEMA TC 6. Carlon, Certainteed, or approved.

E. Surface metal raceway shall use snap-in cover and fittings as recommended by

the manufacturer and shall comply with UL 5 standard. Acceptable manufacturers: Wiremold, Walker, or equal.

F. Flexible metal conduit shall be steel and comply with UL 360, ANSI, and Federal

Specifications WW-6-566 standards. Liquid-tight flexible metal conduit shall comply with UL 360 and ANSI Standards.

G. If permitted for use, type MC cable shall be 600v rated, aluminum or steel clad,

90 degrees C rated, with an insulated ground wire. If used for direct bury installation, it shall also be wet rated with type XHHW-cu conductors.

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H. If permitted for use, type AC cable shall be 600v rated, aluminum or steel clad, with an aluminum bond wire. Type AC cable shall not be used for isolated ground circuits.

I. Other raceway types are not permitted unless specifically called for on the Plans

or elsewhere in these Specifications, or specifically required to comply with codes.

1.3 FITTINGS

A. GRC and IMC shall be coupled and terminated with threaded fittings. Ends shall be bushed with insulating bushings equal to T&B 1220 or 1230 series.

B. Connectors and couplings for EMT shall be steel concrete tight compression type

with insulated throats on connectors. Connectors shall have a T& B 5030 and 5040 series (or equal) insulating bushing. Indent type connectors shall not be used.

C. Conduits piercing a building waterproof membrane shall be sealed in a manner to

effectively prevent leakage through the membrane using industry standard methods approved for the purpose. Where possible, make roof electrical penetrations to HVAC equipment within the footprint of the equipment.

D. Flexible metal conduit shall use screw-in type connectors. Couplings and set-

screw type connectors are not permitted. E. Make seal-offs with fill fiber, compound, large removable cover. All components

shall be of the same manufacturer. F. Expansion couplings shall be weatherproof with bonding jumper. G. Locknuts shall be galvanized steel.

1.4 SYSTEM DESCRIPTION

A. Outlet System: Provide electrical boxes and fittings as required for a complete installation. Items shall include but not be limited to outlet boxes, junction boxes, pull boxes, bushings and locknuts.

B. Code Compliance: Comply with governing Codes as applicable to construction

and installation of electrical boxes and fitting. Size boxes according to NEC Article 370, except as noted otherwise.

C. General Raceway System Requirements: 1. Concealed Raceway System: Conceal raceway systems throughout

unless specifically noted otherwise on Drawings, in the Specifications, or with prior approval of Engineer or Owner.

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2. Branch Circuits: Do not change the intent of the branch circuits, or controls, or combine home runs without Engineer's approval.

3. Unless otherwise indicated, provide raceway systems for lighting, power, Class 1 remote-control and signaling circuits, Class 2 and 3 remote-control signaling, and communication circuits. This includes raceway systems required for Mechanical and HVAC controls. Coordinate requirements with other trades.

4. Raceways for low voltage systems shall be the same as for power systems.

D. Existing Systems:

1. Unless specifically noted otherwise on the Drawings, the Contractor is required to match or exceed the quality of existing raceways systems when those systems are being modified, extended, or re-located. For the purpose of determining quality, the following list will be used, with the highest quality indicated first and the lowest quality indicated last: a. Special raceways, including wireways, troughs, explosion proof,

cable trays, and coated rigid conduits. b. Rigid metallic conduit. c. Intermediate metallic conduit (IMC). d. Electrical metallic tubing (EMT), compression fittings. e. Electrical metallic tubing (EMT), set screw fittings. f. Type MC cable. g. Type AC cable. h. Non-metallic sheathed cable (UF, NM, etc.)

2. Some existing raceway types may be prohibited for new work. If an existing raceway system is not covered in the above list, consult the Engineer.

E. New Systems: For all new circuits, or for substantial additions to existing

systems, the Contractor may use, where conditions are appropriate, rigid metal conduit, IMC, EMT, MC cable, or AC cable. The use of non-metallic cable is not permitted unless specifically noted as approved. For raceway systems to be used by other trades, use rigid metal conduit, IMC, or EMT unless otherwise noted. Non-metallic raceway (PVC) is restricted to use underground or under slabs unless otherwise noted.

F. All Systems:

1. Flexible metallic conduit shall be used for final connections to lay-in light fixtures, moveable equipment, and vibrating equipment.

2. In all cases, raceways shall be suitable for the environment and shall meet code requirements.

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1.5 SEQUENCING AND SCHEDULING

A. Raceway System: Complete raceway installations before installing conductors or cables. Raceway systems consist of conduit, tubing, duct, or other conveyances intended to route conductors, tubing, or fibers. Fittings include, but are not limited to: connectors, couplings, offsets, elbows, bushings, expansion and deflection fittings, and accessories.

B. Finished Surfaces: Avoid cutting in connection with finished work. Make repairs

in a manner approved by the Engineer. 1.6 SEALANT, THERMAL, AND FIRE-RATED PENETRATIONS

A. Maintain fire ratings at penetrations with sealant or other approved method. Use sealant at penetrations for a thermal break between heated and unheated spaces.

PART 2 - PRODUCTS

2.1 MANUFACTURERS

A. Raceways: Allied Steel, Certainteed, Jones and Laughlin, Carlon, Kraloy, or equal.

B. Conduit Fittings: O-Z Gedney, Thomas-Betts, Crouse-Hinds, or equal. C. Fire / Thermal Sealant: Specified Technology Inc., Spec Seal, 3M, or equal. D. Weatherproof Outlet Boxes: Bell, Red Dot, or equal. E. Junction and Pull Boxes: Circle AW, Hoffman, or equal. F. Box Extension Adapter: Bell, or equal.

2.2 WEATHERPROOF OUTLET BOXES

A. Construction: Provide corrosion-resistant cast metal weatherproof outlet wiring boxes, of the type, shape, and size required or specified, with threaded conduit ends. Include a cast metal face plate with spring-hinged waterproof cap of a suitable configuration for each application, including face plate gasket, blank plugs, and corrosion-proof fasteners. Weatherproof boxes shall be constructed to have smooth sides with a gray finish.

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2.3 JUNCTION AND PULL BOXES

A. Construction: Provide galvanized sheet steel junction and pull boxes with screw-on covers of the type, shape, and size required to suit each location and installation. Boxes shall have welded seams and shall be equipped with steel nuts, bolts, screws, and washers.

B. Location: Install junction boxes and pull boxes as required for the installation of

conductors, and where specifically shown on the Drawings. 2.4 CONDUIT FITTINGS

A. Provide corrosion-resistant punched-steel box knockout closures, conduit locknuts, and malleable iron conduit bushings of the type and size to suit each respective use and installation.

PART 3 - EXECUTION 3.1 INSTALLATION

A. Location: Locate boxes and conduit bodies so as to ensure accessibility of electrical wiring.

B. Round Boxes: Don’t use round boxes. C. Anchoring: Secure boxes rigidly to the surface on which they are being mounted,

or solidly embed boxes in concrete or masonry. D. Special Application: Provide weatherproof outlets for locations exposed to

weather or moisture. E. Knockout Closures: Provide knockout closures to cap unused knockout holes

where blanks have been removed.

F. Conduit Joints: Assemble conduits continuous and secure to boxes, panels, fixtures, and equipment with fittings to maintain continuity.

G. Conduit Placement: Install continuous conduit and raceways for electrical power

and signal systems wiring. Exposed conduits are permitted in Mechanical Rooms or spaces where walls, ceilings and floors will not be covered with finished materials, or where specifically noted on the Drawings. Where Documents permit exposed conduit, install parallel or at right angles to building lines, tight to finished surfaces, and neatly offset into boxes.

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H. Do not install conduits or other electrical equipment in obvious passages, doorways, scuttles, or crawl spaces where the installation would impede or block the area or the passage's intended use. Do not install conduits on the surface of a building’s exterior, or on top of parapet walls, unless specifically noted on the Drawings.

I. Flexible Conduit: Install a 12-inch minimum slack loop on flexible metallic

conduit. J. Conduit Size: Size conduits as indicated on Drawings. Where size is not

indicated, provide conduit in the Code permitted size for THW conductors of quantity shown or required, whichever is greater. Increasing conduit size by one trade size is acceptable without approval. Except where noted, use a minimum size of 1/2-inch. Install a pull wire or nylon cord in empty raceways provided for other systems. Secure the wire or cord at each end.

K. Use flexible metallic conduit for motors and equipment connections that are

subject to movement or vibration. For exterior locations, moist or humid atmosphere, oil or grease environments, and water spray areas, use PVC coated flexible metallic conduit.

L. Floor, Ceiling, and Wall Penetrations: Provide necessary rigid conduit sleeves, openings, and chases where conduits or cables are required to pass through floors, ceiling, or walls.

M. Maintain the integrity of fire ratings at penetrations of walls, ceilings, or floors.

END OF SECTION

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PART 1 - GENERAL 1.1 DESCRIPTION

A. A safety factor of 4 is required for every fastening device or support for electrical equipment installed. Each support must withstand at least four times the weight of the equipment it supports.

PART 2 - PRODUCTS 2.1 PRODUCTS

A. Hangers: Kindorf B-905-2A channel, H-119-D washer, C105 strap, 3/8-inch rod with ceiling flange, or equal.

B. Concrete Inserts: Kindorf D-255, cast in concrete for support fasteners for loads

up to 800 lbs, or equal. C. Pipe Straps: Two-hole galvanized or malleable iron.

PART 3 - EXECUTION 3.1 INSTALLATION

A. Provide all electrical equipment supports. B. Install vertical support members for equipment, straight and parallel to building

walls. C. Do not use the fastening devices of other trades as a supporting means for

electrical equipment, materials, or fixtures. D. Do not use supports and/or fastening devices to support other than one particular

item.

E. Support conduits within 18-inches of outlets, boxes, panels, cabinets, and deflections.

F. The maximum distance between supports for any type of raceway shall not to

exceed eight (8) feet. G. All junction boxes, pull boxes, or other conduit terminating housings located

above a suspended ceiling shall be securely attached or suspended to the floor above, or the roof structure, to prevent sagging and swaying.

END OF SECTION

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PART 1 - GENERAL 1.1 WORK INCLUDED

A. Equipment identification labels. B. Conductor identification numbers. C. Branch circuit identification.

1.2 SYSTEM DESCRIPTION

A. Coordinate names, abbreviations, and other designations with equipment specified in this or other Divisions of the Specification, or identified on the Drawings.

B. Fasten labels to equipment in a secure and permanent manner.

PART 2 - PRODUCTS 2.1 MANUFACTURERS

A. Engraved Labels: "Lamicoid.", or equal. B. Conductor Numbers: Brady, or equal. C. Circuit Labels: Kroy, or equal.

2.2 ENGRAVED LABELS

A. Melamine plastic laminate, black with white core, 1/16-inch thick. B. Engravers standard letter style, minimum 3/16-inch high letters, all capitals. C. Drill or punch labels for mechanical fastening except where adhesive mounting is

necessary because of surface. Use self tapping stainless steel screws. D. Dymo tape labels are not acceptable.

2.3 CONDUCTOR MARKING

A. Use manufacturer's standard vinyl-cloth self-adhesive cable and conductor markers of the wraparound type, pre-printed with black numbers on yellow field.

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2.4 BRANCH CIRCUIT SCHEDULES

A. Where new panels are indicated on the Drawings, provide branch circuit identification schedules, typewritten, clearly filled out, to identify load connected to each circuit. Numbers to correspond to numbers assigned to each circuit breaker pole position. Provide two columns: odd numbers in left column, even numbers in right column, with 3-inch wide line for tying connected load information.

B. Where circuiting in existing panels has changed, provide new updated panel

schedule in a style and form that fits in any existing panel schedule holder. 2.5 CIRCUIT LABELS

A. At all new receptacles, and all existing receptacles that are recircuited under this Contract, install a clear adhesive label with a 12 to 20 point all caps basic font indicating the circuit number. Generally, labels are to be applied on the receptacle plate, but other locations may be used with Owner approval where plate mounting is not appropriate. Color of label text shall be such that it contrasts with the plate color to be easily read. Do not use dark print if the plates are brown.

2.6 CIRCUIT BREAKER IDENTIFICATION

A. Provide permanent identification number in or on panelboard dead-front adjacent to each circuit breaker pole position. Horizontal centerline of engraved numbers to correspond with centerline of circuit breaker pole position.

PART 3 - EXECUTION 3.1 GRAPHICS

A. Coordinate names, abbreviations and designation used on the Drawings with equipment labels.

3.2 CONDUCTOR IDENTIFICATION

A. Apply markers on each conductor for control, signaling, and communications circuits where wires of more than one circuit are present.

B. Where multi-conductor cables are used for control, signaling, and communication

each cable shall be clearly identified.

C. Match conductor identification used in panel schedules, Shop Drawings, Contract Documents, and similar previously established identification for Division 16 Work.

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3.3 EQUIPMENT/SYSTEM IDENTIFICATION

A. Install an engraved label on each major unit of electrical equipment, including but not limited to the following items: 1. Panels and load centers. 2. Relays and contactors. 3. Switches for mechanical equipment. 4. Control, override, or special use switches for lighting.

B. On panelboards and mains with a width greater than 22-inches, install an

engraved label for each circuit breaker, except for single pole breakers. On panelboards, enclosed breakers, safety switches, or other similar enclosures, the engraved label shall be attached with screws.

3.4 CIRCUIT LABELS

A. Consult the Owner for any uncertainties regarding the placement of circuit labels. 3.5 APPLICATION

A. Where labels are to be applied to surfaces which require painting or any other applied finish, install identification after the final finish is applied.

END OF SECTION

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PART 1 - GENERAL 1.1 QUALITY ASSURANCE

A. Underwriters Laboratories, Inc., listing/approval.

B. Underwriters Laboratories, Inc., Standards: 1. Panelboards - UL67 2. Cabinet and Boxes - UL50

C. National Electrical Code (NFPA).

D. NEMA Standard - PB1.

1.2 INTERRUPTING RATING (NEC 240.83C)

A. Provide panels in accordance with NEC 240.83C. Coordinate fault current (AIC) ratings for panels. If available fault current is not indicated on drawings request available fault current from service utility and provide fault current calculations through panels. If fault currents are provided on drawings verify before purchasing panels. Notify Engineer if fault currents are not indicated on drawings or of conflicts between available fault current ratings provide by service utility, distribution fault current calculations, and drawings.

1.3 SUBMITTALS

A. Provide submittals for all panels.

B. Provide documentation of available fault current from service utility and distribution fault current calculations.

PART 2 - PRODUCTS 2.1 PANELBOARDS

A. Panels shall use copper bussing and bolt-on circuit breakers. Separate feeder lugs shall be provided for each feeder conductor. They shall be so designed that switching and protective devices can be replaced without disturbing adjacent units and without removing the main bus connectors, so that circuits may be changed without machine drilling or tapping.

B. Branch circuits shall be arranged using double row construction except when

narrow column panels are indicated. A nameplate shall be provided with panel type and ratings.

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C. Unless otherwise noted, full size insulated neutral bars shall be included. Bus bar taps for panels with single pole branches shall be arranged for sequence phasing of the branch circuit devices. Neutral bussing shall have a suitable lug for each outgoing feeder requiring a neutral connection. A separate ground bus shall be included in all panels. There shall be a neutral and ground bus space for each breaker location listed as space.

D. Unless otherwise noted, panelboard boxes shall be at least 20 inches wide, and

made from galvanized steel. Provide minimum gutter space in accordance with the National Electrical Code. Maximum panel depth shall be 5-3/4-inch, unless otherwise shown or specifically approved by the Owner. Surface panel boxes shall be painted to match trim.

E. Switching device handles shall be accessible. Doors and panelboard trims shall

not uncover any live parts.

F. All panel doors shall be provided with a flush type combination catch and lock with two milled keys. All locks shall be keyed alike. All panel trims shall be "door-in-door" construction.

G. Single pole breakers shall be full module size. Tandem breakers shall not be

installed in a single module. Each breaker shall be securely fastened to prevent movement and trims shall fit neatly and tightly to the breaker assembly. Interrupting capacity shall be minimum 10,000 amperes, or as indicated on the Drawings, and shall conform to Federal Specifications W-C-375. All 15 or 20 ampere single pole breakers shall have "switching-duty" capability.

H. Panelboards shall be coated with a rust inhibiting primer and two coats of grey

enamel. Trims shall be separately packed and protected form scratching and marring.

I. Acceptable Manufacturers:

1. Seimens 2. GE 3. Square D 4. Cutler-Hammer 5. Challenger 6. or approved

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PART 3 - EXECUTION 3.1 1INSTALLATION

A. Install panels generally where noted on the Plans. Coordinate with other trades

to assure adequate space is available. In finished areas, panels shall be flush mounted unless specifically noted otherwise.

B. Install typewritten panel schedule indicating final as-built condition.

END OF SECTION

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PART 1 - GENERAL 1.1 WORK INCLUDED

A. Wall Switches. B. Receptacles. C. Device Plates. D. Surface Covers.

1.2 SYSTEM DESCRIPTION

A. Federal Specification Compliance: Comply with Federal Specification WS896 and WC596 for switches and receptacles respectively.

B. NEMA Configuration: Comply with NEMA configurations and standards for

general and special purpose wiring devices. C. Appearance: Provide line voltage light switches and receptacles of common

manufacturer and identical appearance. PART 2 - PRODUCTS 2.1 MANUFACTURERS

A. Wall Switches, Receptacles, Finish Plates: 1. Arrow-Hart 2. Bryant 3. Eagle 4. General Electric 5. Hubbell 6. Leviton 7. Pass & Seymour 8. Slater.

2.2 RECEPTACLES

A. Characteristics: 1. Duplex, 125V, 15A, side wire only, match existing color for remodels,

color per Owner or Architect for new construction. 2. Leviton Model 5014-I, or approved equal.

B. Ground Fault Interrupter (GFCI):

1. Duplex, 125 V, 15A, 20A feed-through, LED indicator light. Match existing color for remodels, color per Owner or Architect for new construction.

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2. Leviton Model 6598-I, or approved equal. 2.3 FINISH PLATES

A. Material: Match existing, or for new construction, color and material per Engineer or Owner. If no material is indicated, use satin stainless steel.

2.4 SURFACE COVERS

A. Material: Galvanized or cadmium plated steel, 1/2-inch raised industrial type with openings appropriate for device(s) installed on surface outlets.

B. Cast Box and Extension Adapters:

1. Aluminum, with gasket, blank. a Single gang:

i. Bell 240-ALF or equal. b Two gang:

i. Bell 236-ALF or equal. PART 3 - EXECUTION 3.1 PREPARATION

A. Devices: Advise Owner regarding proper and cautious use of all outlets. At time of substantial completion, replace items which have been damaged, including those burned and scored by faulty receptacles or cord caps.

B. Finish Plates and Devices: Do not install items until finish painting is complete.

Scratched or splattered plates and devices will not be acceptable. 3.2 INSTALLATION

A. Install devices and finish plates plumb with building lines. B. When more than one outlet is shown on the Drawings in close proximity to each

other, but at different elevations, align the outlets on a common vertical center line for best appearance. Verify with the Engineer.

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3.3 MECHANICAL EQUIPMENT SERVICE RECEPTACLES

A. Where Contract documents indicate that mechanical equipment that operates at over 50 volts is to be installed or relocated, install a 120v duplex receptacle within 25' of the equipment. The installation must satisfy the requirements of the Mechanical Code (1994 UMC, Section 309, or any other applicable code) and all applicable sections of the Electrical Code. If no circuit number is indicated, a circuit can be extended from other service receptacles, or can be a new circuit. The Owner shall approve the circuit.

B. This requirement is waived if a code compliant 120v duplex receptacle exists

within 25-feet of the new or relocated mechanical equipment to the satisfaction of the Mechanical Code, and no receptacle is otherwise indicated for installation.

END OF SECTION

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PART 1 - GENERAL 1.1 WORK INCLUDED

A. Circuit Breakers

B. Fuses 1.2 INTERRUPTING RATING (NEC 240.83C)

A. Provide over-current protection devices in accordance with NEC 240.83C. Coordinate fault current (AIC) ratings for devices. If available fault current is not indicated on drawings request available fault current from service utility and provide fault current calculations through over-current protective devices. If fault currents are provided on drawings verify before purchasing devices. Notify Engineer if fault currents are not indicated on drawings or of conflicts between available fault current ratings provide by service utility, distribution fault current calculations, and drawings.

1.3 SUBMITTALS

A. Provide submittals for over-current protective devices. B. Provide documentation of available fault current from service utility and

distribution fault current calculations. PART 2 - PRODUCTS 2.1 CIRCUIT BREAKERS

A. Breakers shall be fully interchangeable without disturbing adjacent units, quick make, quick break, ambient compensated, and trip indicating. Construction of the breaker shall allow the device to operate manually for normal switching functions and automatically under overload and short circuit conditions. It is to provide circuit and self-protection when applied within its ratings. The operating mechanism shall be entirely trip-free so that contacts cannot be held closed against an abnormal over-current or short circuit condition.

B. The operating handle of the breaker shall open and close all poles

simultaneously. The trip unit for each pole shall have elements providing inverse time delay under load condition and instantaneous magnetic tripping for short circuit protection. The trip element shall operate a common trip bar which shall open all poles in case of an overload or short circuit through any pole. Provide ground fault interrupter breakers where require by Code, or where shown on the Drawings.

C. Circuit breakers and switches used for motor disconnects and not in sight of the

motor controller shall be capable of being locked in the open position.

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D. Molded-case circuit breakers shall be switch rated, bolt-on type.

E. Other breaker types may be permitted if specifically noted on the Drawings.

F. Acceptable Manufacturers: same as for panelboards. 2.2 FUSES

A. Fuses up to 600 amps in size shall be Class R, current limiting, dual element, non-renewable type, or as noted on the Drawings. Unless otherwise noted, use time delay fuses for motor applications, and fast acting fuses for panelboard, switchboard, and mains. Consult the Engineer for fuses over 600 amps, electronic equipment protection, or for uncertain applicability.

B. Acceptable Manufacturers: Gould Shawmut, Bussman, or equal.

PART 3 - EXECUTION 3.1 INSTALLATION

A. Install circuit breakers in panelboards as shown on the Drawings, on panel schedules, or as otherwise indicated or required in the Contract Documents. Install fuses in fused switches, in equipment where fuses were not supplied with the equipment, and at other locations shown on the Drawings or required by the Contract Documents.

3.2 ADJUSTABLE TRIP CIRCUIT BREAKERS

A. Install adjustable trip circuit breakers wherever a breaker over 100 amperes in size is required for a motor load. This includes, but is not limited to, motors for pumps, fans, and elevators.

B. Adjustable trip circuit breakers shall be tested to verify proper setting.

END OF SECTION

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PART 1 - GENERAL

A. Work related to Division 26 of the Specifications is described in other Divisions.

All Divisions and Sections of these Specifications apply even though not described here.

1.1 WORK INCLUDED

A. Make the following changes to existing work to comply with the intent and

general scheme of work as covered herein but not necessarily limited to the following: 1. Remove, alter or replace wiring in way of new work as necessary and

required for a finished job. 2. Disconnect any existing equipment to be relocated and reconnect in new

location as shown. 3. Remove wiring which is no longer to be used and blank off unused

openings. Abandoned wiring shall be disconnected and cut-off to avoid reconnecting or reuse. Remove where accessible.

4. Where any wire is replaced in a conduit, existing wire shall be replaced, using new wire.

5. Restore and reconnect any usable circuit or outlet disturbed in the execution of this work.

6. Check branch circuit wiring disturbed in execution of this work which is to remain for continuity, overloads and grounds. Repair any deficiencies.

7. Existing outlets indicated on the drawings to be removed or to remain, are shown for general information only and do not indicate exact location or total number of outlets involved.

8. Changes to existing work shall be made in workmanlike manner and present a neat and finished appearance.

9. Salvage materials shall remain property of Owner and shall be stored at location designated by Owner, unless otherwise noted by Architect.

10. Maintain the integrity of all fire rated walls and ceilings.

PART 2 – PRODUCTS 2.1 MANUFACTURERS

A. Refer to other sections of the specifications.

PART 3 - EXECUTION 3.1 SURFACE CONDITIONS

A. Inspection: Prior to work of this section, carefully coordinate work with other

trades to the point where this installation may properly commence.

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E E S I Benton County Public Works 12/9/2015 – Rebid CD Set Benton County Courthouse Chiller Replacement

3.2 CLOSING IN UNINSPECTED WORK A. General: Do not cover up or enclose work until it has been properly and

completely inspected and approved.

B. Noncompliance: Should any of the work be covered up or enclosed prior to required inspections and approvals, uncover the work as required and, after it had been completely inspected and approved, make repairs and replacements with such materials as are necessary to the approval of the Architect. And at no additional cost to the Owner.

3.3 CLEANING UP

A. Prior to acceptance of the building, thoroughly clean exposed portions of the

electrical installation, removing labels and traces of foreign substance, using only a cleaning solution approved by the manufacturer and being careful to avoid damage to finished surfaces.

END OF SECTION