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3S5 I F� <br />C us <br />Classified by <br />Underwriters Laboratories, Inc. <br />to UL 1479 and CAN1ULC-S115 <br />System No. W-L-1465 <br />ANSI/UL1479 (ASTM E814) <br />F Rating —1 or 2 Hr (See Item 1) <br />T Rating — 0 and 114 Hr (See Item 1) <br />L Rating At Ambient — Less Than 1 CFM/Sq Ft <br />L Rating At 400 F — Less Than 1 CFM/Sq Ft <br />CAN/ULC S115 <br />F Ratings —1 or 2 Hr (See Item 1) <br />FT Rating — 0 and 1/4 Hr (See Item 1) <br />FH Rating —1 or 2 Hr (See Item 1) <br />FTH Rating —0 and 1/4 Hr (See Item 1) <br />L Rating At Ambient — Less Than 1 CFM/Sq Ft <br />L Rating At 400 F — Less Than 1 CFM/Sq Ft <br />SECTION A -A <br />co <br />Wall Assembly — The 1 or 2 hr fire rated gypsum board/stud wall assembly shall be constructed of the materials and in the manner specified <br />in the individual U300, U400, V400 or W400 Series Wall and Partition Designs in the UL Fire Resistance Directory and shall include the <br />following construction features: <br />A. Studs — Wall framing may consist of either wood studs or steel channel studs. Wood studs to consist of nom 2 by 4 in. (51 by 102 mm) <br />lumber spaced max 16 in. (406 mm) OC. Steel studs to be min 3-1/2 in. (89 mm) wide and spaced max 24 in. (610 mm) OC. <br />B. Gypsum Board* — Thickness, type, number of layers and orientation shall be as specified in the individual Wall and Partition Design. Max <br />diam of opening is 10 in. (254 mm). <br />The hourly F, FH Ratings of the firestop system are equal to the hourly fire rating of the wall assembly in which it is installed. The T, FT, FTH <br />Ratings are 0 and 1/4 hr for 1 and 2 hr rated wall assemblies, respectively. <br />2. Steel Sleeve — Cylindrical sleeve fabricated from min 0.016 in. (0.41 mm) thick galv sheet steel and having a min 1 in. (25 mm) lap along the <br />longitudinal seam. Sleeve installed by coiling the sheet steel to a diam smaller than the through opening, inserting the coil through the <br />openings and releasing the coil to let it uncoil against the circular cutouts in the gypsum board layers. The ends of the steel sleeve shall be <br />flush with or extend max 1 in. (25 mm) beyond each surface of the wall. <br />Reproduced by HILTI, Inc. Courtesy of <br />Underwriters Laboratories, Inc. <br />Hilti Firestop Systems January 26, 2015 page:1 of 2 <br />