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1. Wall
Assembly — The 1 or 2 hr fire-rated gypsum board/stud wall assembly shall be
constructed of the materials and in the manner described in the individual U300
or U400 Series Wall or Partition Designs in the UL Fire Resistance Directory and
shall include the following construction features:
A. Studs
— Wall framing shall consist of either wood studs or steel channel studs. Wood
studs to consist of nom 2 by 4 in. lumber spaced 16 in. OC. Steel studs to be
min 3-5/8 in. wide and spaced 24 in. OC.
B.
Gypsum Board* — 5/8 in. thick, 4 ft wide with square or tapered edges. The
gypsum board type, thickness, number of layers, fastener type and sheet
orientation shall be as specified in the individual U300 or U400 Series Designs
in the UL Fire Resistance Directory.
The
hourly F Rating of the firestop system is equal to the hourly fire rating of the
wall assembly in which it is installed.
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 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* — 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 Mark |
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