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Specifications
Part 1 General
1.01 Summary
A. Counter doors excluding design, construction and preparation of
openings; finish or field painting; access panels; electrical
wiring, conduit, wire, fuses and disconnect switches
Part 2 Products
2.01 Materials
A. Manufacturer: R & S Manufacturing, model N ___, model SN ___ (for stainless)
B. Mounting: Face of wall or between-jamb
C. Operation: Push-up to 14' wide and awning crank on larger sizes is standard
(awning crank should be considered when doors are to be operated
over a deep counter or over 7' high). Chain hoist or motor operation
are optional.
D. Curtain: Interlocking type 18 flat slats are roll formed from (galvanized
steel) (stainless steel) coil. Endlocks are riveted to slats to
maintain curtain alignment. Bottom of curtain is reinforced by
a (single angle) (tubular) footpiece of material matching slats,
with astragal.
E. Guides: Box shape guides are formed from (steel) (stainless steel).
F. Brackets: Steel plate brackets are bolted to guides to support curtain and
barrel and provide mounting for hood.
G. Barrel: Steel pipe houses torsion spring assembly and supports curtain
with a maximum deflection of .03 inch per foot of width. Torsion
springs are mounted on a continuous cold rolled steel shaft, adjustable
by a tension wheel outside or inside one bracket.
H. Hood: Formed from 24 gage (galvanized steel ) (stainless steel) sheet,
reinforced with top and bottom flanges to limit deflection.
I. Locking: Slidebolt locks on single angle footpiece and cylinder lock on
optional tubular footpiece
2.02 Finish
A. Galvanized steel slats and hoods are pre-finished with a baked
on grey polyester primer before forming. Stell footpiece, guides
and brackets receive one coat of rust inhibiting grey primer.
Exposed stainless steel provided with #4 finish.
Part 3 Execution
3.01 Installation
A. Counter doors are to be installed by an R & S authorized representative
in accordance with R & S installation instructions. |
