Page text

Sheet
Drawing No.
HILTI, Inc.
Tulsa, Oklahoma USA (800) 879-8000
Date
Scale
A
A
NOTES : 1. STEEL FLOOR UNITS MAY BE SPRAYED WITH A UL CLASSIFIED MONOKOTE TYPE MK-6/HY
FIREPROOFING MANUFACTURED BY W.R. GRACE & CO. PRIOR TO THE INSTALLATION OF
CEILING RUNNERS.
2. AS AN ALTERNATE TO CEILING RUNNER IN ITEM NO. 3, CEILING RUNNERS, MANUFACTURED
BY BRADY CONSTRUCTION INNOVATIONS, INC., DBA SLIPTRACK SYSTEMS, THE STEEL
NETWORK, INC., OR CEMCO, MAY BE USED. WHEN ALTERNATE CEILING TRACKS ARE USED,
CONSULT THE UL FIRE RESISTANCE DIRECTORY FOR INSTALLATION INSTRUCTIONS.
1. LIGHTWEIGHT OR NORMAL WEIGHT CONCRETE FLOOR (MINIMUM 2-1/2" THICK) OVER METAL DECKING
(1-HR. OR 2-HR. FIRE-RATING).
2. GYPSUM WALL ASSEMBLY (UL/cUL CLASSIFIED U400 OR V400 SERIES) (1-HR. OR 2-HR. FIRE-RATING)
(2-HR. SHOWN).
3. CEILING RUNNER (MIN. 25 GA., FLANGE HEIGHT OF CEILING RUNNER SHALL BE MINIMUM 1/4"
GREATER THAN MAXIMUM EXTENDED JOINT WIDTH) FASTENED TO UNDERSIDE OF DECK WITH STEEL
FASTENERS OR WELDS (SPACED MAX. 24" O.C.) (SEE NOTE NO. 2 BELOW).
4. STEEL STUDS (MIN. 3-1/2" WIDE), CUT 1/2" TO 3/4" LESS IN LENGTH THAN ASSEMBLY HEIGHT, NESTING
IN CEILING RUNNER WITHOUT ATTACHMENT.
5. MINIMUM 5/8" DEPTH HILTI CP 606 FLEXIBLE FIRESTOP SEALANT.
HWD
0324c
1 of 1
5/32" = 1"
Feb. 02, 2010
UL/cUL SYSTEM NO. HW-D-0324
ASSEMBLY RATING = 1 AND 2-HR.
CLASS II MOVEMENT CAPABILITIES - 17% COMPRESSION OR EXTENSION
L-RATING AT AMBIENT = LESS THAN 1 CFM/LIN FT
L-RATING AT 400°F = LESS THAN 1 CFM/LIN FT
HWD0324c.020210
TOP OF WALL JOINT : GYPSUM WALL ASSEMBLY
1
2
3
4
5
MAX. 3/4"
MAX. 3"
MIN. 2 1/2"
SECTION A-A
FRONT VIEW