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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 Split Sleeve to be min
8 percent to max 48 percent of the aggregate cross-sectional area of the Split
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. 12 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 halves incorporating split nuts and
split washers sized to fit the specific diam of the opening. 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
— Split Sleeve
B. Fill,
Void or Cavity Material* — Putty — Min 1 in. thickness of fill
material applied within the Split Sleeve, flush with each end.
UNIQUE FIRE
STOP PRODUCTS INC
—
*Bearing the
UL Classification Marking
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