07 42 13 - metal wall panel.pdf

MINISTRY OF HOUSING Western Sector Projects Sitework & Infrastructure OMRANIA and ASSOCIATES Project Specification

METAL WALL PANEL SECTION 07 42 13 - 1

SECTION 07 42 13

METAL WALL PANEL PART 1: GENERAL

1.01 SECTION INCLUDES

A. Pre-formed, pre-finished aluminium polyethylene-cored composite metal cladding, including but not limited to the following:

1. Metal wall panel systems.

2. Accessories including clips, bracing, reinforcement, anchors, fasteners, stiffeners and similar items as required to properly erect, align, secure and complete the work of this Section.

3. Sealants, caulking and closure gaskets for the work of this Section.

4. Continuous caps and trim integral to the work of this Section.

5. Factory finishing of exposed surface of components included in this Section.

1.02 RELATED SECTIONS

A. Section 03 30 00 Cast in Place Concrete.

B. Section 04 20 00 Unit Masonry.

C. Section 05 05 23 Metal Fastenings.

D. Section 07 62 00 Sheet Metal Flashing and Trim.

E. Section 07 92 00 Joint Sealers.

1.03 REFERENCES

A. AAMA American Architectural Manufacturers Association - Aluminum Construction Manual - Aluminum Sheet Metal Work and Building Construction.

B. AISI Stainless Steel - Uses in Architecture.

C. ASTM A 123 Standard Specification for Zinc (Hot-Dip Galvanized) Coatings on Iron and Steel Products.

D. ASTM A 276 Standard Specification for Stainless and Heat Resisting Steel Bars and Shapes.

E. ASTM A 167 Standard Specification for Stainless and Heat-Resisting Chromium Nickel Steel Plate, Sheet, and Strip.

F. ASTM A 307 Standard Specification for Carbon Steel Bolts and Studs, 60000 psi Tensile Strength.



G. ASTM A 653M Standard Specification for Steel Sheet, Zinc-Coated (Galvanized) or Zinc-Iron Alloy-Coated (Galvannealed) by the Hot-Dip Process.

H. ASTM A 755M Standard Specification for Steel Sheet, Metallic Coated by the Hot-Dip Process and Prepainted by the Coil-Coating Process for Exterior Exposed Building Products.

I. ASTM A 792M Standard Specification for Steel Sheet, 55% Aluminum-Zinc Alloy-Coated by the Hot-Dip Process.

J. ASTM B 117 Standard Practice for Operating Salt Spray (Fog) Apparatus.

K. ASTM B 209M Standard Specification for Aluminum and Aluminum-Alloy Sheet and Plate [Metric].

L. ASTM C 177 Standard Test Method for Steady-State Heat Flux Measurements and Thermal Transmission Properties by Means of the Guarded-Hot-Plate Apparatus.

M. ASTM A 1018M Standard Specification for Steel, Sheet and Strip, Heavy Thickness Coils, Hot Rolled, Carbon, Structural, High-Strength Low-Alloy, Columbium or Vanadium, and High-Strength Low-Alloy with Improved Formability

N. ASTM D 968 Standard Test Methods for Abrasion Resistance of Organic Coatings by Falling Abrasive.

O. ASTM D 1621 Standard Test Method for Compressive Properties Of Rigid Cellular Plastics.

P. ASTM D 1622 Standard Test Method for Apparent Density of Rigid Cellular Plastics.

Q. ASTM D 2247 Standard Practice for Testing Water Resistance of Coatings in 100% Relative Humidity.

R. ASTM E 84 Standard Test Method for Surface Burning Characteristics of Building Materials.

S. ASTM E 96 Standard Test Method for Water Vapor Transmission of Materials.

T. ASTM E 330 Standard Test Method for Structural Performance of Exterior Windows, Curtain Walls, and Doors by Uniform Static Air Pressure Difference.

U. ASTM E 488 Standard Test Methods for Strength of Anchors in Concrete and Masonry Elements.

V. ASTM F 468 Standard Specification for Nonferrous Bolts, Hex Cap Screws, and Studs for General Use [Metric].

W. NAAMM National Association of Architectural Metal Manufacturers



1.04 SYSTEM DESCRIPTION

A. System: Preformed and prefinished match siding system of horizontal and vertical profile, site assembled.

1.05 QUALITY ASSURANCE

A. Materials and work shall conform to applicable provisions of the latest edition of relevant reference standards and all applicable codes and requirements of local authorities having jurisdiction, whichever are more stringent.

B. Welding shall conform to the requirements for shielded metal arc welding of the Standard Code for Arc and Gas Welding of the American Welding Society.

C. Qualifications:

1. Manufacturer Qualifications: Company regularly engaged in the production and erection of the type of work specified herein with not less than fives years of documented experience.

2. Installer: Company specializing in performing work of this section with minimum five years documented experience.

D. Performance: Metal wall panel systems shall be designed for a minimum wind load of 152 kg/m2

1.06 PERFORMANCE TESTING

and shall comply with or exceed the requirements specified herein.

A. Color Change and Fade Resistance: Comply with the requirements of reference standards and codes. A sample shall withstand an EMMAQUA weathering test exposure (Exterior Equatorial Mount with Mirrors and water spray) for 800,000 Langleys of ultraviolet radiation without cracking, peeling, blistering or loss of adhesion. Maximum color change, after removal of all exterior or surface deposits such as dirt, or chalk, shall not exceed 5 NBS units.

B. Abrasion-Resistance Test for Coating System: A flat specimen shall be subject to abrasion-resistance test. Test shall be conducted in accordance with ASTM D 968 (Falling Sand). Coating system shall resist abrasion to extent indicated by use of not less than 300 liters of sand to produce the exposure of 3.9 mm diameter area of bare metal.

C. Coating Systems Integrity Test: A sample shall withstand a salt-fog test for a minimum of 1250 hours in accordance with ASTM B 117, including scribe requirement in test. Immediately upon removal of specimen from test, coating system shall show no signs of cracking, peeling, blistering or loss of adhesion.

1.07 SUBMITTALS

A. Comply with the provisions of Section 01 33 00.

B. Shop Drawings: Submit shop drawings for each type of panel system including but not limited to the following:

1. Shop drawings showing locations of work in the project, elevations and profiles. Indicate materials, sizes, shapes, thicknesses, and finishes; sizes and locations of structural subframes and reinforcing, including provisions for thermal movement and drainage, location and installation requirements for anchors, fasteners, joints and connection to other work.



2. Submit large-scale details of edge conditions, joints, corners, custom profiles, supports, anchorages, trim, flashings, closures and special details.

3. Shop drawings shall clearly indicate structural framing members furnished and installed by others including product data, to which the metal wall panels will be attached.

4. Any deviations from design as shown on the Drawings and/or materials specified shall be clearly indicated on shop drawings and shall be subject to the review and approval of the Engineer prior to fabrication.

C. Samples:

1. Submit samples of wall and soffit system components and materials for approval. Obtain Engineers approval of materials before fabricating samples.

2. Samples shall be fully identified, labeled and shall show extremes in variations of finishes of metal work.

3. Submit manufacturers color chart.

4. All external metal panels, including facade panels where shown, shall match in finish and color.

D. Product Data: Submit manufacturer's latest published literature for materials specified herein for approval. Obtain approval before delivering materials to the project site.

E. Test Data: Submit certified laboratory test reports for the performance tests specified in this Section.

1.08 DELIVERY, STORAGE AND HANDLING

A. Comply with the provisions of Section 01 61 00.

B. Exercise proper care and protection in the delivery and handling of all work so as not to injure finished surfaces and take proper precautions to protect the work from damage after it is in place.

C. Store off the ground, in a dry, protected ventilated space. Protect all materials from rust, damage and detrimental conditions.

1.09 JOB CONDITIONS

A. Protect work from weather, stains, soil, deterioration and damage of all kinds, until completion of the project. Sprayed-on, strippable coatings shall not be used. Absorptive wrappings shall not be in contact with architectural metal. Provide protective coverings and take all other necessary preventive measures to protect the work after erection.

B. Damaged or Unsatisfactory Work: Remove from the project and replace with new work at no additional cost to the Owner.



1.10 WARRANTY

A. Comply with Section 01 78 36.

B. Provide manufacturers 10 year warranty for finishing system from Substantial Completion against fading, chipping, cracking, peeling, blistering, alligatoring or crazing. Materials showing evidence of such failure shall be removed and/or replaced during the warranty period, at no additional cost to the Owner. Repair work shall be performed to the satisfaction of the Engineer.

PART 2: PRODUCTS 2.01 METAL CLADDING PANELS

A. Panels: 2 sheets of 0.5 mm thick aluminum with a thermoplastic core, 3 mm minimum total thickness.

B. Smooth surface with factory finish of RAL polyester powder coat on both sides of panel with strippable film protection.

C. Factory formed to shapes per architectural drawings.

D. Fabricate according to approved shop drawings.

E. Provide reveals as shown on the Drawings.

2.02 ACCESSORIES

A. Fastening Devices: Clips and fasteners composed of stainless steel ASTM A 167 and A 276, Type 302 or 304 as specified herein and shall conform to ASTM F 468.

1. Machine Screws shall be flat head type.

2. Nuts and Bolts shall conform to ASTM A 307.

B. Support Systems: Galvanized all steel components as follows:

1. Galvanized metal framing components shall comply with ASTM A653 for G-90 coating.

2. Hot-Dip Galvanizing, where specified or required, shall conform to ASTM A 123. Galvanized coatings shall successfully withstand the "Preece Test" referred to in the standard.

3. Fastening Devices:

a. Concrete Anchors shall be die cast zinc alloy, Split Shield and Wedge type machine bolt expansion shields of rated holding power four times required working load, tested in accordance with ASTM E 488.

b. Nuts and Bolts shall conform to ASTM A 307.

c. Fastening devices shall be galvanized as specified herein and shall be of sizes required to support the work of this Section.



C. Paint: Touchup paint for galvanized surfaces shall be epoxy zinc rich primer. Paint for the rust-inhibitive treatment of miscellaneous steel shall be a catalyzed epoxy primer.

D. Joinery System:

1. Metal to Metal Sealant: Interior joints concealed in the finished work shall be approved manufacturer's standard sealant, shown on shop drawings and submitted for approval.

2. Exposed gaskets shall be preformed, compressible, non-absorbing, closed cell neoprene as recommended and approved by metal wall panel manufacturer. System horizontal and vertical weather joints shall be "dry" gasket system.

3. Where shown on the Drawings, trimless or closed end panels shall be factory fabricated and utilize a field installed recessed dry gasket.

E. Metal Trim: Provide metal trim and accessories to cap, enclose and finish metal panel system.

F. Sealants: Provide sealants as specified in Section 07 92 00.

G. Miscellaneous Items: Provide miscellaneous items as shown or as required for locations of use. Provide items best suited for intended use and compatible with contiguous materials.

H. Insulation: Provide integral thermal and acoustic insulation as shown.

2.03 FABRICATION

A. Provide materials which have been selected for their surface flatness, smoothness and freedom from surface blemishes wherever exposed to view in the finished unit. Exposed-to-view surfaces which exhibit pitting, seam marks, roller marks, "oil canning", stains, discolorations or other imperfections on the finished units shall not be accepted.

B. Provide components required for a complete system including trim, clips, flashing, sealants, gaskets, closure strips and similar items. Match materials and finishes with metal panels.

C. Fabricate work accurately to required shapes and sizes, free of warps, twists and bends.

D. Take field measurements prior to preparation of shop drawings and fabrication, to ensure proper fitting of the work.

E. Fabricate units in the factory ready for field assembly.

F. Panels shall be provided with provisions to fasten to supporting construction with weathertight seals at joints.

G. Provide clips, angles and bracing, as necessary and required to anchor, support, and reinforce the work of this section.

H. Make connections in concealed and inconspicuous locations using mechanical fasteners selected for strength. Use exposed fasteners to match color of panels only where approved in shop drawings.

I. Fabricate the position for exposed fasteners in lowest point of corrugation.



PART 3: EXECUTION 3.01 INSPECTION

A. Make a thorough examination of all surfaces receiving the work of this Section and before starting the installation. Start of work shall imply acceptance of conditions as satisfactory for the installation of the work of this Section.

3.02 PREPARATION

A. Verify measurements and dimensions at the job site and cooperate in the coordination and scheduling of the work of this Section with the work of related trades.

B. Isolate galvanized metal from dissimilar metals, masonry, concrete, and wood by coating with bituminous mastic paint specified herein.

3.03 INSTALLATION/ERECTION A. Set work accurately in location, alignment and elevation, plumb, level and true, measured from

established lines and levels. Provide temporary bracing or anchors in formwork for items which are to be built into concrete, masonry or similar construction.

B. Comply with panel fabricator's and material manufacturers instructions and recommendations for installation, as applicable to project conditions and supporting substrate. Anchor panels and other components of the work securely in place, with provisions for thermal/structural movement.

C. Install panels with concealed fasteners and clips.

D. Installation Tolerances: Shim and align panel units within tolerances as follows: 1. Maximum Offset from Indicated Alignment between Adjacent Members Butting or In Line: 1.6 mm

2. Maximum Variation from Plane or Location Indicated on Drawings:

.

3 mm

.

E. Install accessories including trim as indicated and in accordance with approved shop drawings. Provide folded corners at building exterior with 4.8 mm radius, trimless bent panels.

F. Install sealants and gaskets where indicated and where required for weatherproof performance. Provide types of sealants and gaskets indicated or types recommended by Metal Wall Panel Manufacturer.

3.04 CLEANING AND PROTECTION

A. Comply with Section 01 77 00.

B. Replace panels and other components of the work which have been damaged or have deteriorated beyond successful repair by means of finish touchup or similar minor repair procedures.

C. Cleaning: Remove protective coverings and strippable films (if any) at time in project construction sequence which will afford greatest protection of work. Clean finished surface as recommended by panel manufacturer, and maintain in a clean condition during construction.



D. Projection: Installer shall advise Contractor of protection and surveillance procedures, as required to ensure that work of this section will be without damage or deterioration at time of Substantial Completion.

END OF SECTION

SECTION 07 42 13METAL WALL PANELPART 1: GENERALPART 2: PRODUCTSPART 3: EXECUTION2. Maximum Variation from Plane or Location Indicated on Drawings: 17T3 mm17T.

END OF SECTION

07 42 13 - metal wall panel.pdf

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