2.5
OPERATION
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NOTE: Rolling counter doors over 3048 mm (10 feet)
wide, or where the interior counter is over 380 mm
(15 inches) deep, may use manual crank operation or
electric operation.
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2.5.1
The curtain shall be operated by means of [manual push-up with lift handles
or continuous full width lift bar]. [manual crank with removable handle].
2.5.2
Power Operation
A high-starting torque, reversible type motor of sufficient power and
torque output to move the door in either direction from any position at the
required speed shall be furnished. Power operator shall have an emergency
push-up operation, limit switch, three-button type control marked "OPEN",
"CLOSE", and "STOP". Control voltage shall be [24 vac] [120 vac]. Conduit
and wiring necessary for proper operation shall be provided in accordance
with Section 16402 INTERIOR DISTRIBUTION SYSTEM.
2.6
AUTOMATIC CLOSING DEVICE
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NOTE: Activation of the automatic closing device on
fire rated counter doors shall be by the building's
fire alarm system or smoke/heat detector system when
counter doors are located in smoke barriers and fire
barriers, or where life safety would be endangered
by fire and smoke if the doors were left open.
Fusible link devices will only be used in those
areas where protection of property from fire is the
only consideration.
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Fire-rated counter doors shall be equipped with an automatic closing device
which shall operate upon [the fusing of a 74 degrees C 165 degree F fusible
link] [activation of the building's [fire alarm system] [smoke alarm
system] [heat detector system]. Fire and smoke doors shall be easily reset
by the facility user after they have been released by the detection system.
Resetting the door shall not require the use of special tools.]
2.7
FINISH
Exposed parts of the counter door, including the curtain, bottom rail,
guides, and hood shall be of uniform finish and appearance. [Aluminum
shall have a clear anodized finish.] [Stainless steel shall have a No. 4
finish.] [Steel galvanized coating shall have a [prime coat] [and] [a
baked-on or powder-coated Factory top coat finish].] All other steel parts
shall be given a shop coat of primer paint standard with the manufacturer.
Factory coated color shall be [in accordance with Section 09915 COLOR
SCHEDULE] [_____].
SECTION 08331A
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