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UUcUL SYSTEM NO. W -L -1054 <br /> METAL PIPE THROUGH 1 -HR. OR 2 -HR. GYPSUM WALL ASSEMBLY <br /> F- RATING = 1-HR. OR 2 -HR. <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 0 <br /> A -0— <br /> o <br /> low <br /> A � � 0 <br /> 1. GYPSUM WALL ASSEMBLY (UUULC CLASSIFIED 0300 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 5/8" 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 -114" FOR STEEL STUD WALLS. <br /> B. 14 -1/2" FOR WOOD STUD WALLS. <br /> 2. ANNULAR SPACE = MINIMUM 0 ", MAXIMUM 2 -1/4 ". <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 /> LiP <br /> I L�i HILTI, Inc. Scale 713r=1" WL <br /> FIRESTOP SYSTEMS Tulsa Oklahoma USA (918) 252-6000 Date <br /> Nov. 6, 2002 1054q <br /> Saving Lives through Innovation and Education <br />