FIRESTOP JOINT SPRAY. PROVIDE MINIMUM 1/2" OVERLAP ONTO GYPSUM BOARD AND METAL DECKING / DEFLECTION TRACK 4 PCF DENSITY MINERAL WOOL INSULATION COMPRESSED 50 PERCENT COMPOSITE FLOOR DECK OR STEEL ROOF DECK. REFER TO STRUCTURAL DRAWINGS. SHAFTWALL DEEP LEG METAL DEFLECTION TRACK. GAUGE TO MATCH GAUGE OF WALL STUD. FASTEN TO DECK WITH POWDER- DRIVEN FASTENERS AT COMPOSITE DECK AND SHEET METAL SCREWS AT STEEL ROOF DECK. ATTACH GYPSUM BOARD TO METAL STUDS ONLY. DO NOT ATTACH TO DEFLECTION TRACK. PARTITION TYPE AS INDICATED ON THE FLOOR PLANS ADDITIONAL LAYER OF GYPSUM BOARD EACH SIDE TO ACHIEVE TWO HOUR RATING. REFER TO PARTITION TYPES INDICATED ON FLOOR PLANS PERPENDICULAR TO METAL DECK FLUTES: AT BOTTOM OF FLUTES AT METAL STUD SHAFTWALL AND STEEL DECK - UL DESIGNS (HW-D-0548, HW-D-0570) 64 A9.2.4 SIM A SHAFT SIDE (NOT ACCESSIBLE) INTERIOR SIDE (ACCESSIBLE) ACOUSTICAL INSULATION AS REQUIRED BY PARTITION TYPE 1" 1 1/2"
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