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Specifications
Part 1 General
1.01 Summary
A. Fire doors excluding design, construction and preparation of opening;
finish or field painting; access panels; electrical wiring, conduit,
wire, fuses and disconnect switches
1.02 Quality Assurance
A. Certification: Fire doors are labeled or certified by Underwriters Laboratories,
Warnock Hersey or Factory Mutual for the hourly rating, wall construction
and size allowed by the listing. Fire doors not in compliance
with listing requirements are certified by the manufacturer.
Part 2 Products
2.01 Materials
A. Manufacturing: R & S Manufacturing, model R ___
B. Mounting: Face of wall or between-jamb
C. Operation: Push-up to 8' wide and high and chain hoist on larger sizes is
standard; awning crank, crank box or motor operation are optional.
D. Automatic closing: Thermally activated by 165û fusible links, with the closing speed
regulated by a governor device operative only during automatic
closing.
E. Curtain: Interlocking type ___ slats are roll formed from galvanized steel
coil. Gage of slats is as required by the listing. Endlocks are
riveted to slats to maintain curtain alignment. Bottom of curtain
is reinforced by a double steel angle footpiece.
F. Guides: Steel channels or structural steel angles form curtain guides
and are bolted to structural steel wall angles. Sizes of guides
are as required by the listing.
G. Brackets: Steel plate brackets are bolted to wall angles to support curtain
and barrel and provide mounting for hood.
H. Barrel: Minimum 6" diameter steel pipe houses torsion spring assembly
and supports curtain with a maximum deflection of .03 inch per
foot of width. Torsion springs ar mounted on a continuous cold
rolled steel shaft, adjustable by a tension wheel outside one
bracket.
I. Hood: Formed from minimum 24 gage galvanized steel sheet, reinforced
with top and bottom flanges to limit deflection. A thermally released
integral flame baffle is provided when required by the listing.
J. Locking: Chain lock with chain operation and slide bolt locks with push-up
or crank operation.
2.02 Finish
A. Slats and hoods are pre-finished with a baked on grey polyester
primer before forming. Footpiece, guides and brackets receive
one coat of rust inhibiting grey primer.
Part 3 Execution
3.01 Installation
A. Fire doors are to be installed by an R & S authorized representative
in accordance with R & S installation instructions and NFPA 80.
3.02 Testing
A. Fire doors are to be drop tested and witnessed for proper operation
and full closure after installation.
3.03 Schedules
A. NFPA-80 and model code groups mandate annual inspection and testing
of fire doors to check for proper operation and full closure. |
