Page text

Sheet
Drawing No.
HILTI, Inc.
Date
Scale
1. STEEL FLOOR UNIT/FLOOR ASSEMBLY (UL D700 OR D900 SERIES) - LIGHTWEIGHT OR NORMAL WEIGHT
CONCRETE (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.
CONFIGURATION A
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. TOP ENDS OF BOTH LAYERS TO BE CUT TO THE CONTOUR OF
THE FLUTED DECK AND 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 CUT TO THE CONTOUR OF THE FLUTED DECK
AND EXTEND MINIMUM 6" BELOW FLOOR AND HELD IN POSITION USING 16 GA. STEEL TIE WIRES
SPACED MAXIMUM 1" FROM ENDS OF LAYER.
CONFIGURATION B
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 AND 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.
7. ADDITIONAL PIECES OF (NOMINAL 1-1/2" THICK) FACED OR UNFACED FIREMASTER FAST WRAP XL,
FIREMASTER FASTWRAP+, OR PYROSCAT DUCTWRAP XL (MANUFACTURED BY THERMAL CERAMICS)
CUT TO CONTOUR OF FLUTE AND FRICTION FIT TO FILL THE SPACE BETWEEN THE DUCT WRAP LAYERS
(ITEM NO. 6) AND FLUTED DECK. RECESS INSULATION TO ACCOMMODATE FIRESTOP SEALANT.
8. MINIMUM 1/4" DEPTH HILTI FS-ONE INTUMESCENT FIRESTOP SEALANT APPLIED OVER THE DUCT WRAP
WITHIN FLUTED AREA FLUSH WITH OUTER LAYER.
FA
1137a
2 of 2
-
Aug. 07, 2013
F-RATING = 2-HR.
T-RATING = 2-HR.
FA1137a.080713
Tulsa, Oklahoma USA (800) 879-8000
UL/cUL SYSTEM NO. F-A-1137