960 Pa 20 psf is based on a 145 km/hr 90 mph wind
velocity at 61 m 200 feet above grade.
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NOTE: Delete when not applicable.
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ASTM E 330. Members shall withstand a uniform wind load of 960 Pa 20
pounds per square foot of window area without deflecting more than 1/175 of
the span.
1.4
DELIVERY, STORAGE, AND HANDLING
Deliver windows to project site in an undamaged condition. Store windows
and components at the site on edge, out of contact with the ground, and
under a weathertight covering.
PART 2
PRODUCTS
2.1
MATERIALS
2.1.1
Steel Bars
SWI SGSW.
2.1.2
Sheet Steel
ASTM A 569/A 569M.
2.1.3
Zinc-Coated Sheet Steel
ASTM A 653/A 653M.
2.1.4
Zinc-Coated Steel
ASTM A 90/A 90M, ASTM A 123 or ASTM A 153/A 153M.
2.1.5
Corrosion Resisting Sheet Steel
ASTM A 167.
2.1.6
Screws and Bolts
ASTM B 766, ANSI B18.6.3, or ANSI B18.6.4, as applicable.
2.2
WINDOW UNITS
Units shall conform to the SWI SGSW, except as modified herein.
2.3
FABRICATION
Form permanent joints by welding or by mechanically fastening as specified
[for each type window]. Use joints of strength required to maintain the
structural value of members connected. Weld joints solid, remove excess
metal, and dress smooth on exposed and contact surfaces. Closely fit
joints formed with mechanical fastenings and make permanently watertight.
Assemble frames at the plant, and ship as a unit with hardware unattached.
SECTION 11191
Page 7
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