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Sheet
Drawing No.
HILTI, Inc.
Date
Scale
NOTES : 1. MAXIMUM DIAMETER OF OPENING = 12-3/4".
2. ANNULAR SPACE = MINIMUM 0", MAXIMUM 2".
3. WHEN CP 604 IS USED, MINIMUM THICKNESS OF MINERAL WOOL IS 4"
AND MINIMUM THICKNESS OF FLOOR IS 4-1/2".
4. W-RATING ONLY APPLIES WHEN CP 604 IS USED.
1. CONCRETE FLOOR ASSEMBLY (2-HR. FIRE-RATING) :
A. LIGHTWEIGHT OR NORMAL WEIGHT CONCRETE FLOOR (MINIMUM 4-1/2" THICK).
B. STEEL FLOOR UNIT/FLOOR ASSEMBLY (UL/cUL D700, D800, OR D900 SERIES) - LIGHTWEIGHT OR
NORMAL WEIGHT CONCRETE FLOOR (MINIMUM 2-1/2" THICK) OVER METAL DECKING.
2. PENETRATING ITEM TO BE ONE OF THE FOLLOWING :
A. MAXIMUM 10" NOMINAL DIAMETER STEEL PIPE (SCHEDULE 40 OR HEAVIER).
B. MAXIMUM 10" NOMINAL DIAMETER CAST OR DUCTILE IRON PIPE.
C. MAXIMUM 6" NOMINAL DIAMETER STEEL CONDUIT.
D. MAXIMUM 4" NOMINAL DIAMETER EMT.
3. MINIMUM 2" THICKNESS MINERAL WOOL (MIN. 4 PCF DENSITY) TIGHTLY PACKED.
4. MINIMUM 1/2" DEPTH HILTI FS-ONE INTUMESCENT FIRESTOP SEALANT OR HILTI CP 604 SELF LEVELING
FIRESTOP SEALANT (SEE NOTE NO. 3 BELOW).
5. DUCT WRAP (NOMINAL 1-1/2" OR 2" THICK FYREWRAP DUCT INSULATION OR FIREWRAP DUCT 1.5
INSULATION [MANUFACTURED BY UNIFRAX] OR NOMINAL 1-1/2" THICK FIREMASTER FASTWRAP XL
DUCT INSULATION [MANUFACTURED BY THERMAL CERAMICS]) WRAPPED AROUND PENETRANT,
EXTENDING 24" ABOVE THE FLOOR (FOR PENETRANTS OF NOMINAL 4" DIAMETER OR SMALLER) OR 36"
ABOVE THE FLOOR (FOR PENETRANTS GREATER THAN A NOMINAL 4" DIAMETER). AN ADDITIONAL
LAYER OF DUCT WRAP TIGHTLY WRAPPED AROUND THE FIRST LAYER OF DUCT WRAP, EXTENDING 12"
ABOVE FLOOR. SEAMS TO OVERLAP MINIMUM 1" AND SEALED WITH FOIL TAPE.
FA
1105c
1 of 1
1/16" = 1"
Nov. 03, 2011
UL/cUL SYSTEM NO. F-A-1105
F-RATING = 2-HR.
T-RATING = 2-HR.
L-RATING AT AMBIENT = LESS THAN 1 CFM/SQ. FT.
L-RATING AT 400°F = 4 CFM/SQ. FT.
W-RATING = CLASS I (SEE NOTE NO. 4 BELOW)
FA1105c.110311
METAL PIPE THROUGH CONCRETE FLOOR ASSEMBLY
A
A
SECTION A-A
TOP VIEW
Tulsa, Oklahoma USA (800) 879-8000
1
2
3
4
5
12"
24" OR 36"
(SEE ITEM NO. 5)