2.1.1
Signal Stations
Duress signal stations shall be momentary contact devices rated for
operation on 24 V dc.
2.1.1.1
Wall Mounted Duress Stations
Low voltage, nonilluminated single pole, normally open, momentary contact
pushbutton with silver contacts rated for two amperes at 24 V dc with
25,000 cycles minimum electrical/mechanical life. Bezel shall be black,
full shroud type. Cap or button shall be blue. Device plate shall be
nylon with ivory finish.
2.1.1.2
Floor Mounted Duress Stations
Install under desks where indicated, foot rest type, securely mounted to
floor. Contact configuration shall be single pole double throw momentary
contact rated for not less than two amperes at 24 V dc. Switch operation
shall be by pressure of foot on underside of foot rest.
2.1.2
Control Panel
system control panel in control room console panel trim provided with
concealed trim clamps and flush lock and latch. Flush mount pilot lamps
silencing switch and audible signal alarm on panel door. Socket mount
auxiliary relays within cabinet. Provide control power supply within
cabinet. Wiring within cabinet shall be in accordance with Section 16402
INTERIOR DISTRIBUTION SYSTEM and shall terminate on identified terminal
blocks. Terminations shall be made with crimp type lugs. Group conductors
within the panel and lace with nylon tie straps.
2.1.2.1
Construction
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NOTE: Coordinate maximum dimensions required on the
drawing.
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14 gage sheet steel, with 38 mm 1 1/2 inch flange on all sides, and cover
for mounting devices hinged to frame at top. Hinges shall be continuous
piano type hinge. Panel shall be secured to millwork with flathead, 38 mm
1 1/2 inch No. 8 flat head wood screw steel bolts on centers not exceeding
200 mm 8 inches. Overall general dimensions indicated are maximum
dimensions and shall not be exceeded. Coordinate mounting dimensions and
support requirement with millwork installation.
2.1.2.2
Finish
Surfaces of the console shall be prime finished with rust inhibiting paint
and two coats of hammertone finish gray enamel. Apply lettering to the
panel by metal etching process after required openings have been made and
edges ground smooth. The panel shall then be treated with red oxide
primer, metal enamel silk screening process and two coats of polyurethane.
2.1.2.3
Duress System Indicators
24 V dc Light Emitting Diodes (LEDs) mounted in cover of duress system
SECTION 13798
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