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FLOOR-CEILING SYSTEMS, NONCOMBUSTIBLE <br /> GA FILE NO. FC 2120 GENERIC 2 HOUR <br /> CONCRETE SLAB, PAN JOISTS, GYPSUM WALLBOARD FIRE <br /> One layer 5/8"type X gypsum wallboard or veneer base applied at right angles to rigid <br /> furring channels 24"o.c.with 1"Type S drywall screws 8"o.c.Gypsum board end joints a a <br /> located over continuous channels and attached to additional pieces of channel 54"long <br /> located midway between continuous channels at end joints.Furring channels 24"o.c. <br /> suspended from 2 1/2"precast reinforced concrete joists 35"o.c.with 21 gage <br /> galvanized steel hanger straps fastened to sides of joists.Joist leg depth, 10". <br /> Approx.Ceiling <br /> Weight: 3 psf <br /> Fire Test: PCA 1281-1, 10-67 <br />