Page text

Sheet
Drawing No.
HILTI, Inc.
Tulsa, Oklahoma USA (800) 879-8000
Date
Scale
1. CONCRETE WALL ASSEMBLY (2-HR. FIRE-RATING) :
A. LIGHTWEIGHT OR NORMAL WEIGHT CONCRETE WALL (MINIMUM 5" THICK).
B. ANY UL/cUL CLASSIFIED SOLID OR FILLED CONCRETE BLOCK WALL.
2. MAXIMUM 24" WIDE x 4" DEEP, ALUMINUM OR STEEL, OPEN LADDER OR SOLID BACK 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 (2" THICK x 8" WIDE x 5" DEEP,
REFERENCE : FRONT VIEW) FIRMLY PACKED AND CENTERED WITHIN OPENING OR FLUSH WITH ONE
SIDE. EITHER ONE OR A COMBINATION OF BLOCK TYPES MAY BE USED.
NOTES : 1. MAXIMUM AREA OF OPENING = 900 SQ. IN., WITH A MAXIMUM DIMENSION OF 30".
2. ANNULAR SPACE = MINIMUM 0", MAXIMUM 26".
3. CABLES TO FILL MAXIMUM 45% OF CROSS-SECTIONAL AREA OF CABLE TRAY.
4. APPLY HILTI FS-ONE INTUMESCENT FIRESTOP SEALANT, CP 618 FIRESTOP PUTTY STICK, OR
CP 620 FIRE FOAM, IN ANY VOID THAT MAY EXIST (INTO INTERSTICES OF CABLES, BETWEEN
CABLES AND CABLE TRAY, AND ANY VOIDS, TO MAXIMUM EXTENT POSSIBLE.
5. WHEN ANNULAR SPACE EXCEEDS 4", ABOVE OR BELOW THE CABLE TRAY, OR 6" BETWEEN
TRAY AND SIDE OF OPENING, A NOMINAL 2" x 2" STEEL WIRE MESH (16 GA.) SHALL BE
ATTACHED TO BOTH SIDES OF THE WALL WITH 1/4" DIAMETER x 1" LONG STEEL CONCRETE
ANCHORS AND 1-1/2" DIA. FENDER WASHERS (SPACED MAX. 8" C/C).
6. [NOT SHOWN] AS AN ALTERNATE TO WIRE MESH, STEEL PLATE (MIN. 22 GA.) MAY BE USED.
STEEL PLATE SHALL BE ATTACHED TO STEEL STRUTS (13/16" DEEP x 12 GA.) WITH 1/4" DIA.
STEEL NUTS (SPACED 8" C/C). STRUT SHALL BE SECURED TO BOTH SURFACES OF THE WALL
ASSEMBLY WITH 1/4" DIA. x 1" LG. STEEL CONCRETE ANCHORS WITH STEEL NUTS (SPACED
MAX. 12" C/C).
7. STEEL WIRE MESH/STEEL PLATE SHALL BEGIN MAXIMUM 2-1/2" FROM THE PENETRANT AND
OVERLAP MINIMUM 3" BEYOND THE PERIPHERY OF THE OPENING.
WJ
2 of 2
1/8" = 1"
UL/cUL SYSTEM NO. W-J-4029
F-RATING = 2-HR.
T-RATING = 0-HR.
CABLE TRAY THROUGH CONCRETE WALL OR BLOCK WALL ASSEMBLY
4029c
Jan. 11, 2012
WJ4029c.011112