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1. Wall
Assembly — Min 6 in. thick reinforced lightweight or normal weight (100-150
pcf) concrete. Wall may also be constructed of any UL Classified Concrete
Blocks*.
See
Concrete Blocks (CAZT) category in the Fire Resistance Directory for names
of manufacturers.
2.
Cables — Aggregate cross-sectional area of cables in Threaded Sleeve to be
min 8 percent to max 48 percent of the aggregate cross-sectional area of the
Threaded Sleeve. Cables to be rigidly supported on both sides of wall assembly.
Any combination of the following types and sizes of cables may be used:
A. Max 200
pair No. 24 AWG (or smaller) copper conductor cable with polyvinyl chloride
(PVC) jacketing and insulation.
B. Max 1/C,
750 kcmil power cable with copper conductors and cross-linked polyethylene (XLPE)
jacketing.
C. Max 3/C
No. 2/0 AWG (or smaller) aluminum or copper conductor service entrance cable
with PVC insulation and jacket.
D. Max 3/C
No. 8 AWG (or smaller) nonmetallic sheathed (Romex) cable with copper
conductors, PVC insulation and jacket.
E. Max 7/C
No. 2/0 AWG (or smaller) multiconductor power and control cables with XLPE or
PVC insulation and XLPE or PVC jacket.
F. Max
RG59/U (or smaller) coaxial cable with fluorinated ethylene insulation and
jacketing.
G. Max
62.5/48 fiber optic cable with PVC insulation and jacketing.
H. Max 4 pair
No. 24 AWG (or smaller) copper conductor category 5 with Hylar insulation and
jacket.
3.
Firestop System — The firestop system shall consist of the following:
A.
Firestop Device* — Threaded steel sleeve device incorporating flat washers
secured by threaded couplers. Device shall be installed around cables in
accordance with the accompanying installation instructions. Device provided in
nom 1, 2 and 4 in. sizes. Max diam of opening in wall for 1, 2 and 4 in. size
devices are 1-1/4, 2-7/16 and 4-1/2 in. respectively.
UNIQUE FIRE
STOP PRODUCTS INC
— Threaded Sleeve
B. Fill,
Void or Cavity Material* — Sealant or Putty — Min 1 in. thickness of
fill material applied within the Threaded Sleeve, flush with both ends
UNIQUE FIRE
STOP PRODUCTS INC
—
*Bearing the
UL Classification Marking |
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