Page text

Sheet
Drawing No.
HILTI, Inc.
Tulsa, Oklahoma USA (800) 879-8000
Date
Scale
A
NOTES : 1. MAXIMUM AREA OF OPENING = 270 SQ. IN., WITH A MAXIMUM DIMENSION OF 30".
2. ANNULAR SPACE = MINIMUM 1", MAXIMUM 4".
3. MAXIMUM AREA OF CABLES EQUALS 40% OF CROSS-SECTIONAL AREA OF CABLE TRAY.
4. FOR CONCRETE WALLS AND SOLID FILLED BLOCK WALLS, INSTALL FIRESTOP/FIRE
BLOCKS (2" THICK x 8" WIDE x 5" DEEP, CENTERED WITHIN OPENING. FOR HOLLOW CORE
BLOCK WALLS, INSTALL FIRESTOP/FIRE BLOCKS (2" THICK x 5" WIDE x 8" DEEP, PASSING
THROUGH THE OPENING FROM SURFACE TO SURFACE.
5. APPLY HILTI FS-ONE INTUMESCENT FIRESTOP SEALANT OR CP 618 FIRESTOP PUTTY STICK
INTO INTERSTICES OF CABLES, BETWEEN CABLES AND CABLE TRAY, AND ANY VOIDS, TO
MAXIMUM EXTENT POSSIBLE.
6. L-RATINGS ONLY APPLY WHEN FS-ONE INTUMESCENT FIRESTOP SEALANT IS USED.
1. CONCRETE WALL ASSEMBLY (2-HR. FIRE-RATING) :
A. LIGHTWEIGHT OR NORMAL WEIGHT CONCRETE WALL (MINIMUM 5" THICK).
B. ANY UL/cUL CLASSIFIED CONCRETE BLOCK WALL.
2. MAXIMUM 24" x 4" ALUMINUM OR STEEL OPEN LADDER CABLE TRAY.
3. CABLES TO BE ANY COMBINATION OF THE FOLLOWING :
A. MAXIMUM 300 PAIR NO. 24 AWG TELEPHONE CABLE.
B. MAXIMUM 750 KCMIL SINGLE CONDUCTOR POWER CABLE.
C. MAXIMUM 1/2" DIAMETER FIBER-OPTIC CABLE (24 FIBER).
D. MAXIMUM 3/C NO. 12 AWG METAL-CLAD CABLE.
4. HILTI CFS-BL FIRESTOP BLOCK OR HILTI FS 657 FIRE BLOCK (SEE NOTE NO. 4 BELOW
FOR ORIENTATION OF BLOCKS) FIRMLY PACKED AND WITHIN OPENING. EITHER ONE
OR A COMBINATION OF BLOCK TYPES MAY BE USED.
WJ
4027b
1 of 1
7/64" = 1"
Jan. 11, 2012
UL/cUL SYSTEM NO. W-J-4027
F-RATING = 2-HR.
T-RATING = 0-HR.
L-RATING AT AMBIENT = 5 CFM/SQ. FT.
L-RATING AT 400°F = 2 CFM/SQ. FT.
WJ4027b.011112
CABLE TRAY THROUGH CONCRETE WALL OR BLOCK WALL ASSEMBLY
SECTION A-A
FRONT VIEW
A
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