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Sheet
Drawing No.
HILTI, Inc.
Date
Scale
NOTES : 1. MAXIMUM AREA OF OPENING = 18 SQ. FT., WITH A MAXIMUM DIMENSION OF 6'.
2. ONE OF THE FOLLOWING MUST BE INSTALLED AROUND NON-METALLIC PENETRANTS
(ITEM NO. 5 ABOVE) PRIOR TO INSTALLATION OF FIRESTOP BLOCKS :
A. MINIMUM 4" HIGH x 1/16" THICK LAYER OF HILTI FS-ONE INTUMESCENT FIRESTOP
SEALANT INSTALLED AROUND THE CIRCUMFERENCE OF PIPE AND CENTERED WITHIN
FIRESTOP BLOCKS.
B. HILTI CP 648E WRAP STRIP (NOMINAL 3/16" THICK x 1" WIDE) CONTINUOUSLY
WRAPPED AROUND THE OUTER CIRCUMFERENCE OF THE PIPE, COVERING ONE TIME,
WITH ENDS BUTTED AND HELD IN PLACE WITH TAPE. WRAP STRIP TO BE CENTERED
WITHIN FIRESTOP BLOCKS.
3. THE FIRE-RATING OF THE FIRESTOP SYSTEM IS LIMITED TO 2-HR. WHEN NON-METALLIC
PENETRANTS, BUSWAYS, OR ANY TYPE OF PIPE INSULATION IS USED.
4. APPLY HILTI FS-ONE INTUMESCENT FIRESTOP SEALANT OR HILTI CP 618 FIRESTOP PUTTY
STICK INTO INTERSTICES OF CABLES, BETWEEN CABLES AND CABLE TRAYS, AND INTO
VOIDS TO MAXIMUM EXTENT POSSIBLE.
5. WIRE MESH [NOT SHOWN] - WHEN ANY DIMENSION OF THE THROUGH OPENING EXCEEDS
36 IN. (914 MM), WIRE MESH IS REQUIRED ON BOTH SIDES OF THE WALL OR FLOOR
OPENING. WHEN MAX DIMENSION OF THE THROUGH OPENING DOES NOT EXCEED 36 IN.
(914 MM), WIRE MESH IS REQUIRED ON TOP SIDE OF FLOOR OR BOTH SIDES OF WALL
ONLY WHEN THE ANNULAR SPACE EXCEEDS 12 IN. (305 MM). NOM 1" HEXAGONAL WIRE
MESH (20 GA. OR HEAVIER) OR NOM 2 IN. x 2 IN. WIRE FENCING FABRICATED FROM MIN NO
16 SWG (0.060 IN. OR 1.5 MM) GALV STEEL WIRE CUT TO FIT THE CONTOURS OF THE
PENETRATING ITEMS AND THE OPENING WITH A MIN 3 IN. (76 MM) LAP BEYOND THE
PERIPHERY OF THE OPENING. WIRE MESH SECURED TO BOTH SIDES OF FLOOR OR WALL
BY MEANS OF 1/4 IN. (6 MM) DIAM BY 1-1/2 IN. (38 MM) LONG STEEL CONCRETE SCREWS IN
CONJUNCTION WITH 1-1/2 IN. (38 MM) DIAM STEEL FENDER WASHERS SPACED MAX 6 IN.
(152 MM) OC. ANY JOINTS WITHIN WIRE MESH SHALL OVERLAP 2 IN. (51 MM) AND BE
SECURED TOGETHER BY MEANS OF NO. 20 SWG STEEL WIRE SPACED 6 IN. (152 MM) OC.
CAJ
4 of 4
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UL/cUL SYSTEM NO. C-AJ-8207
MULTIPLE PENETRATIONS THROUGH CONCRETE FLOOR/WALL OR BLOCK WALL
Tulsa, Oklahoma USA (800) 879-8000
F-RATING = 2-HR. OR 3-HR. (SEE ITEM NO. 10 AND NOTE NO. 3 BELOW)
T-RATING = 0-HR.
NOTE : TESTED TO A 2.5 Pa PRESSURE DIFFERENTIAL
8207c
Nov. 21, 2012
CAJ8207c.112112