(Government) covering the Contractor's warranty responsibilities effective
throughout the five year Contractor's warranty period for the entire metal
building system as outlined above.
1.7.2
Manufacturer's Materials and System Weathertightness Warranties
The Contractor shall furnish, in writing, the following manufacturer's
material warranties to the Contracting Officer which cover all Metal
Building System components:
a. A manufacturer's 20 year material warranty warranting that the
specified aluminum, zinc-coated steel, aluminum-zinc alloy coated steel or
aluminum-coated steel will not rupture, structurally fail, fracture,
deteriorate, or become perforated under normal design atmospheric
conditions and service design loads. Liability under this warranty shall
be limited exclusively to the cost of either repairing or replacing
nonconforming, ruptured, perforated, or structurally failed securement
system, including fasteners and coil material.
b. A manufacturer's 20 year exterior material finish warranty on the
factory colored finish warranting that the finish, under normal atmospheric
conditions at the site, will not crack, peel, or delaminate; chalk in
excess of a numerical rating of eight, as determined by ASTM D 4214test
procedures; or change colors in excess of five CIE or Hunter Lab color
difference (delta E) units in accordance with ASTM D 2244. Liability under
this warranty is exclusively limited to replacing the defective coated
material.
PART 2
PRODUCTS
2.1
FRAMING AND STRUCTURAL MEMBERS
Steel 3 mm 1/8 inch or more in thickness shall conform to ASTM A 36/A 36M,
ASTM A 529/A 529M, ASTM A 572/A 572M, or ASTM A 588/A 588M. Uncoated steel
less than 3 mm 1/8 inch in thickness shall conform to ASTM A 1011/A 1011Mor
ASTM A 606. Galvanized steel shall conform to ASTM A 653/A 653M, G 90
coating designation, 1.143 mm 0.045 inch minimum thickness. Aluminum-zinc
coated steel shall conform to ASTM A 792/A 792M, [AZ 55] [AZ50] coating
designation, 1.143 mm 0.045 inch minimum thickness. Aluminum sheet shall
conform to ASTM B 209M ASTM B 209; 0.813 mm (0.032 inch) 0.032 inch minimum
thickness. Aluminum structural shapes and tubes shall conform to ASTM B
221M ASTM B 221, or ASTM B 308/B 308M. Structural pipe shall conform to
ASTM A 53/A 53M, ASTM A 252, ASTM A 500, ASTM A 501, ASTM A 618, ASTM B 221M
ASTM B 221, ASTM B 241/B 241M or ASTM B 429. Holes for structural
connections shall be made in the shop.
2.2
ROOFING AND SIDING
Roofing and siding shall be either steel or aluminum and shall have a
[factory color] [mill] finish.
2.2.1
Roofing
Length of sheets shall be sufficient to cover the entire length of any
unbroken roof slope unless otherwise approved. Width of sheets with
[overlapping configurations shall provide not less than 610 mm (24 inches
of coverage in place] [interlocking ribs shall provide not less than 305 mm
12 inches of coverage in place]. Panel shall have configurations for
overlapping sheets. Roof deck assemblies shall be Class 90 as defined in
SECTION 13121
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