Page text

Sheet
Drawing No.
HILTI, Inc.
Tulsa, Oklahoma USA (800) 879-8000
Date
Scale
A
A
WL
3079d
1 of 1
3/16" = 1"
Jan. 11, 2012
UL/cUL SYSTEM NO. W-L-3079
WL3089d.011112
1. GYPSUM WALL ASSEMBLY (UL/cUL CLASSIFIED U300, U400, V400, OR W400 SERIES) (1-HR. OR 2-HR.
FIRE-RATING) (2-HR. SHOWN) TO INCLUDE THE FOLLOWING CONSTRUCTION FEATURES :
A. [NOT SHOWN] WOOD STUDS TO CONSIST OF NOMINAL 2" x 4" LUMBER (SPACED MAXIMUM 16" OC).
STEEL STUDS TO BE MINIMUM 2-1/2" WIDE (SPACED MAXIMUM 24" OC).
B. NOMINAL 5/8" THICK GYPSUM WALLBOARD. TYPE, NUMBER OF LAYERS, AND SHEET ORIENTATION
AS SPECIFIED IN THE INDIVIDUAL UL DESIGN.
2. [OPTIONAL] MAXIMUM 4" NOMINAL DIAMETER STEEL PIPE SLEEVE (SCHEDULE 5 OR THINNER) OR EMT
PIPE SLEEVE.
3. ANY OF THE FOLLOWING TYPES OF CABLES MAY BE USED :
A. MAXIMUM 25 PAIR NO. 24 AWG TELEPHONE CABLE.
B. MAXIMUM 7/C NO. 12 AWG CABLE.
C. RG 59 COAXIAL CABLE.
D. MAXIMUM 5/8" DIAMETER FIBER-OPTIC CABLE.
4. HILTI CFS-BL FIRESTOP BLOCK OR HILTI FS 657 FIRE BLOCK (4" DIAMETER x 2" DEEP, REFERENCE :
FRONT VIEW).
NOTES : 1. MAXIMUM DIAMETER OF OPENING = 4".
2. CABLES TO FILL A MAXIMUM 28% OF CROSS-SECTIONAL AREA OF OPENING.
3. ANNULAR SPACE = MINIMUM 0", MAXIMUM 2".
4. APPLY HILTI FS-ONE INTUMESCENT FIRESTOP SEALANT OR HILTI CP 618
FIRESTOP PUTTY STICK IN ANY VOID THAT MAY EXIST (AROUND CABLES).
1
2
3
4
F-RATING = 1-HR. OR 2-HR.
T-RATING = 0-HR.
L RATING AT AMBIENT = 5 CFM/SQ. FT.
L RATING AT 400° F = 2 CFM/SQ. FT.
CABLE BUNDLE THROUGH GYPSUM WALL ASSEMBLY
SECTION A-A
FRONT VIEW