Page text

Sheet
Drawing No.
HILTI, Inc.
Date
Scale
1. LIGHTWEIGHT OR NORMAL WEIGHT CONCRETE FLOOR ASSEMBLY (MINIMUM 2-1/2" THICK) (2-HR.
FIRE-RATING).
2. MAXIMUM 12" x 12" x 10" DEEP CAST IRON FLOOR SINK CAST OR GROUTED INTO FLOOR. SINK FLANGES
TO BEAR ON TOP PLANE OF FLOOR. CAST IRON FLOOR GRATING TO BE INSTALLED ON TOP OF SINK.
METAL DOME STRAINER MAY BE USED IN SINK DRAIN.
3. MAXIMUM 4" NOMINAL DIAMETER CAST IRON PIPE SECURED TO OUTLET OF FLOOR SINK WITH NO-HUB
COUPLING. PIPE TO BE RIGIDLY SUPPORTED BENEATH FLOOR AWAY FROM FLOOR SINK WITH SUITABLE
HANGERS.
4. CORRUGATED STAINLESS STEEL "NO-HUB" CONNECTOR.
5. MINIMUM 1/2" BEAD HILTI FS-ONE INTUMESCENT FIRESTOP SEALANT APPLIED AROUND PERIPHERY OF
FLOOR SINK AT FLOOR INTERFACE.
6. TWO LAYERS (NOMINAL 1-1/2" THICK) FACED OR UNFACED FIREMASTER FAST WRAP XL, FIREMASTER
FASTWRAP+, OR PYROSCAT DUCTWRAP XL (MANUFACTURED BY THERMAL CERAMICS) TIGHTLY
WRAPPED AROUND SINK AND DRAIN PIPE. BOTH LAYERS TO EXTEND MINIMUM 24" BEYOND THE
BOTTOM SURFACE OF FLOOR AND HELD IN POSITION USING 16 GA. STEEL WIRE TIES SPACED MAXIMUM
8" ON CENTER AND MAXIMUM 1" FROM ENDS OF LAYERS. AN ADDITIONAL LAYER OF DUCT WRAP TO
EXTEND MINIMUM 6" BELOW FLOOR AND HELD IN POSITION USING 16 GA. STEEL TIE WIRES SPACED
MAXIMUM 1" FROM ENDS OF LAYER.
FA
1135b
1 of 1
3/32" = 1"
May 22, 2014
UL/cUL SYSTEM NO. F-A-1135
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
FA1135b.052214
CAST IRON FLOOR SINK THROUGH CONCRETE FLOOR ASSEMBLY
A
SECTION A-A
TOP VIEW
Tulsa, Oklahoma USA (800) 879-8000
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