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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 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 both ends.
UNIQUE
FIRE STOP PRODUCTS INC
—
*Bearing
the UL Classification Marking
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