This assembly consists of 6-inch by 20-gauge steel studs spaced at 24 inches on center with one layer of 5/8-inch gypsum board applied to each side. The total partition thickness is 7-1/4 inches, extending from the top of the slab to the ceiling height. Limiting height guidelines at 5 PSF per SSMA provide a maximum height of 21 feet zero inches for L/240 and 18 feet five inches for L/360, requiring verification with the framing manufacturer. The detail references separate head and sill connection details on sheets 9.1.1 and 9.1.0.
7 1/4" TYPE 06N1 : NON-RATED PTN FROM TOP OF SLAB TO CLG HT 6" X 20 GA (O.O329") STL STUDS AT 24" OC; ONE LAYER OF 5/8" GYP BD EACH SIDE LIMITING HT GUIDELINES @ 5 PSF PER SSMA: L/240: 21'-0" L/360: 18'-5" VERIFY LIMITING HEIGHT WITH FRAMING MFR HEAD DET: SILL DET: 9.1.1 10 9.1.0 18
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