A pipe or conduit passes horizontally through a concrete masonry unit wall assembly. A continuous firestop system wraps around the pipe on both sides of the wall, corresponding to Underwriters Laboratories system numbers W-J-2071 and C-AJ-1572. Locations and sizes for the pipe or conduit are coordinated with mechanical and electrical drawings.
CONTINUOUS FIRESTOP SYSTEM, WRAPPED AROUND BOTH SIDES EQUAL TO UL SYSTEM NUMBER : W-J-2071 C-AJ-1572 CMU WALL RE: PARTITION TYPE PIPE OR CONDUIT, RE: MECH M-120 THRU M-129 AND P-100 THRU P-109 AND ELEC TN101 THRU TN109 FOR LOCATIONS AND SIZES NON-METALLIC PIPE OR CONDUIT PENETRATING CMU WALL METALLIC PIPE OR CONDUIT PENETRATING CMU WALL
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