g. Mounting Method: Eye scanners shall be suitable for surface,
flush, or pedestal mounting as required and shown.
2.8.5
Portal Control Devices
2.8.5.1
Push-button Switches
The Contractor shall provide momentary contact, back lighted push buttons
and stainless steel switch enclosures for each push button as shown.
Switch enclosures shall be suitable for flush, or surface mounting as
required. Push buttons shall be suitable for flush mount in the switch
enclosures. The push button switches shall meet the requirements of NEMA
250 for the area in which they are to be installed. Where multiple push
buttons are housed within a single switch enclosure, they shall be stacked
vertically with each push button switch labeled with 7 mm 1/4 inch high
text and symbols as required. The push button switches shall be connected
to the local processor associated with the portal to which they are applied
and shall operate the appropriate electric strike, electric bolt or other
facility release device. The continuous current of the IDS circuit shall
be no more than 50% of the continuous current rating of the device
supplied. The push button switches shall have double-break silver contacts
that will make 720 VA at 60 amperes and break 720 VA at 10 amperes.
2.8.5.2
Panic Bar Emergency Exit With Alarm
Entry control portals shall include panic bar emergency exit hardware as
shown. Panic bar emergency exit hardware shall provide an alarm shunt
signal to the appropiate local processor. The panic bar shall include a
conspicuous warning sign with 25 mm 1 inch high, red lettering notifying
personnel that an alarm will be annunciated if the panic bar is operated.
Operation of the panic bar hardware shall generate an intrusion alarm. The
panic bar, except for local alarm annunciation and alarm communications,
shall depend upon a mechanical connection only and shall not depend upon
electric power for operation. The panic bar shall be compatible with
mortise or rim mount door hardware and shall operate by retracting the bolt.
2.8.5.3
Panic Bars: Normal Exit
a. Entry control portals shall include panic bar emergency exit hardware
as shown. Panic bar emergency exit hardware shall provide to the portal's
local processor. Operation of the panic bar hardware shall not generate an
intrusion alarm. When exiting, the panic bar shall depend upon a
mechanical connection only. The exterior, non-secure side of the door
shall be provided with an electrified thumb latch or lever to provide
access after the credential I.D. authentication by the ESS. The panic bar
shall be compatible with mortise or rim mount door hardware and shall
operate by retracting the bolt.
b. Signal Switches: The strikes/bolts shall include signal switches to
indicate to the system when the bolt is not engaged or the strike mechanism
is unlocked. The signal switches shall report a forced entry to the system.
2.8.5.4
Electric Door Strikes/Bolts
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NOTE: The designer will specify whether the
electric strike or lock will fail open or secure.
The designer should coordinate this with
requirements of the site safety and fire personnel.
SECTION 13720A
Page 77
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