CERTIFICATIONS
Doors are constructed to conform within requirements
specified by Underwriter's Laboratories, Inc. (U.L.)
Doors are automatic and self-closing, Class (A) (8)
(C) (D) or oversized certificate.
CLASS (A) -3 hour approved for doors
in dividing fire walls with openings not exceeding 1,200
sq. ft. in area.
CLASS (B) -1.5 hour approved for doors,
in vertical shall openings not exceeding 1,200 sq. ft.
in area.
CLASS (C) -0.75 hour approved for doors
in corridor or room-partition opening not exceeding
1,200 sq. ft. in area.
CLASS (D) -1 .5 hour approved for doors
in exterior wall opening not exceeding 1,200 sq. ft.
in area.
SPECIFICATIONS FOR OPTIONS
CGFD300EZT easy test UL Classified fire rated
Coiling Doors - In the event
of a fire alarm or power failure the door will self
close without the aid of battery back up or electricity
at a controlled speed when the fusible link breaks.
The door can be reset automatically without tools or
a rolling door technician.
INSULATED -slats constructed from
galvanized steel primed slats with 1" thick insulation.
MOTOR
OPERATORS -to be integral assemblies with Nema
rated electrical components, Model MO, consisting of
high torque motor,
braking system, self-locking gearing, gear reducer with
worm gears in oil bath, emergency chain operator with
disconnect and electrical safety interlock, internal
reversing magnetic controller, push-button station with
open-close-stop, internal pre-wiring. Motor
to be removable without affecting chain operation or
limit switch setting.
SAFETY EDGE BOTTOM BARS -to be furnished
on motor
operated doors, which, upon contact with an object,
is to stop (or reverse) the downward travel.
ASTRAGALS -of neoprene to be provided,
to weather-strip the bottom edges of doors.
FLAT SLAT -(F) curtains to be furnished,
instead of standard curved slats.
FASCIAS -to be furnished at open
areas behind hoods, if indicated to be by door manufacturer.
FUSIBLE LINKS BOTH SIDES -of wall
to be provided, to allow thermal release from either
side of wall.
RELEASES -of the (magnetic) (electro-thermal
link) type to be provided, that will activate the closing
mechanism, in addition to thermal release. Wiring to
be by others.
SMOKE DETECTORS -of the (ionization)
(photo-electric) type to be provided, in conjunction
with release.
GALVANIZING -hot-dipped, to be applied to (guides) (pipe
shaft) (brackets) (bottom bars) (gears), in addition
to the slats and hoods that are galvanized as standard.
SHOP COAT -on galv. steel slats to
be baked-on grey epoxy primer.
FINISH -on stainless steel to be
#4 satin finish CYLINDER LOCKS -to be affixed to bottom
of curtains. On motor
operated doors, include electrical interlocks (cut-out
switches).
SPECIFICATIONS
- City-Gates Fire Doors as manufactured
by City-Gates material and workmanship to be guaranteed
for one year. Erection to conform to City-Gates standards
WORK EXCLUDED -Preparation of openings,
structural supports, access panels, trim field painting.
On motor
operated doors, exclude wire, wiring, or disconnect
switches.
LABEL AND CONSTRUCT DOORS -to conform
with the requirements of the Underwriters' Laboratories,
Inc. (U.L.). Doors to be automatic self-closing, Class
(A) (8) (C) (D) Label or Oversize Certificate.
AUTOMATIC CLOSING -to be thermally
controlled by release of the fusible link. A starting
mechanism, using centrifugal force, is to cause the
curtain to close by releasing the torque of the closing
spring against the door shaft.
OPERATION -to be (Push-up with handles)
(Chain and reduction gears; maximum pull of 35 lbs.)
(Motor-refer
to options).
CURTAINS-to be composed of interlocking
slats of (galvanized steel) (stainless steel). Class
A, B, or C Curtain Gauge as required with malleable
iron endlocks as required by the U.L. Galvanized steel
slats to be from hot-dipped strip, with 1.25 oz./sq.
ft. zinc coating, and phosphate coated for paint adhesion.
Bottom of curtain to have two reinforcing angles of
(steel) (stainless steel).
COUNTERBALANCE ASSEMBLY -to consist of tempered helical
torsion springs with 25% safety factor, mounted on shaped
cast anchors, supported by a continuous solid torsion
rod. This mechanism to be permanently lubricated and
enclosed within a steel pipe shaft. Deflection of shaft
not to exceed .03" per lin. ft. The spring tension
adjusting wheel is to be readily accessible from outside
the bracket plate.
BRACKETS -to be not less than 1/4"
thick steel plate, to contain sealed self-aligning ball
bearings for suspension of the counterbalance assembly.
Brackets to be mounted to the structural wall angle
to form a self-supporting member, and form an enclosure
for the hood. Brackets to be reinforced with welded
steel bands for support of hoods. Gears to be of high
grade iron, cast from machine-cut patterns.
GUIDES -to be composed of structural
(steel) (stainless steel) angles, minimum 3/16"
thick, with expansion slots at all connections, assembled
with 3/8" bolts, mounted to jambs at a spacing
not more than 1'6" on centers.
HOODS -to be of (galvanized steel)
(stainless steel), #24 Gauge minimum, stiffened top
and bottom.
FINISH ON STEEL -to be one shop coat
of metal primer, except on galvanized surfaces. On stainless
steel, finish to be 2B mill. Note: The American Rolling
Door Institute support periodic inspection of all fire
door assemblies. Note: UL Classified door construction.
Fire Door construction does not permit the use of many
options available on Service Doors, such as guide weatherstripping,
pass doors, mullions, vision lites, aluminum, etc. |
CITY-GATES
CGFD300 UL Classified Fire Rated Coiling Door
as manufactured by CITY-GATES 15-20 129th Street, College
Point, NY 11356. Material and workmanship to be guaranteed
for one year. Erection to conform to CITY-GATES standards.
In case of fire, the fusible link releases the starting
mechanism, and the door descends automatically at a controlled
speed under governor control.
