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� ULIcUL SYSTEM N0. W-L-1054 <br /> METAL PIPE THROUGH 1-HR. OR 2-HR. GYPSUM WALL ASSEMBLY <br /> F-RATING =1-HR. OR 2-HR. o <br /> T-RATING = 0-HR. � <br /> L-RATING AT AMBIENT = LESS THAN 1 CFM/SQ. FT. � <br /> L-RATING AT 400°F = 4 CFM/SQ. FT. ° <br /> FRONT VIEW SECTION A-A 2 � <br /> A � <br /> 3 4 <br /> 5 <br /> A <br /> 1. GYPSUM WALL ASSEMBLY (UL/ULC CLASSIFIED U300 OR U400 SERIES) (1-HR. OR 2-HR. FIRE-RATING) <br /> (2-HR. SHOWN). <br /> 2. (NOT SHOWN). WOOD STUDS TO CONSIST OF NOMINAL 2" x 4" LUMBER. STEEL STUDS TO BE <br /> MINIMUM 2-1/2" WIDE. <br /> 3. PENETRATING ITEM TO BE ONE OF THE FOLLOWING : <br /> A. MAXIMUM 30" DIAMETER STEEL PIPE (SCHEDULE 10 OR HEAVIER). <br /> B. MAXIMUM 30" DIAMETER CAST IRON PIPE. <br /> C. MAXIMUM 6" NOMINAL DIAMETER COPPER PIPE. <br /> D. MAXIMUM 6" NOMINAL DIAMETER STEEL CONDUIT. <br /> E. MAXIMUM 4" NOMINAL DIAMETER EMT. <br /> 4. MINIMUM 518" DEPTH HILTI FS-ONE INTUMESCENT FIRESTOP SEALANT. <br /> 5. MINIMUM 112" BEAD HILTI FS-ONE INTUMESCENT FIRESTOP SEALANT AT POINT OF CONTACT. <br /> NOTES : 1. MAXIMUM DIAMETER OF OPENING : <br /> A. 32-1/4" FOR STEEL STUD WALLS. <br /> B.14-112" FOR WOOD STUD WALLS. <br /> 2. ANNULAR SPACE = MINIMUM 0", MAXIMUM 2-114". <br /> 3. PIPE MAY BE INSTALLED WITH CONTINUOUS POINT OF CONTACT. <br /> 4. PIPE MAY BE INSTALLED AT AN ANGLE NOT GREATER THAN 45° <br /> FROM PERPENDICULAR. <br /> � Sheet 1 of 1 Drawing No. <br /> �a��� HILTI, Inc. Scale 7132» _ �„ WL <br /> Tulsa, Oklahoma USA (918) 252-6000 <br /> FIRESTOP SYSTEMS �ate Nov. s, 2002 1054q <br /> Saving Lives through /nnovation and Education <br />