as-built working drawings shall be not smaller than A0 1189 x 841 mm 30 by
42 inches reproducible drawings on mylar film with title block (200 by 100
mm8 by 4 inches) similar to full size contract drawings. The as-built
working drawings shall be furnished in addition to the record drawings
required by Section 01770N CLOSEOUT PROCEDURES.
1.7
SYSTEM CONTROL
Provide all apparatus, accessories, components and associated materials
specified or necessary to furnish each system complete and ready for
operation. All equipment shall be the current products of their
manufacturers.
1.7.1
Controls
Detection and actuating control system shall be complete, Class A
electrically supervised combination automatic and manual. Automatic
actuation shall be accomplished by smoke detectors. Manual actuation shall
be accomplished by electrical manual actuation stations.
1.7.2
Sequence of Operation
Smoke detection system shall be cross-zoned, priority matrix, or have
common circuit individual detector verification capability. If a
cross-zoned system is used, each protected area shall contain two smoke
detection circuits (zones), with each circuit having an equal number of
detectors connected thereto and no two adjacent detectors connected to the
same zone. Upon activation of any smoke detector, the system shall
simultaneously activate pre-discharge alarms in the protected area(s),
signal the building fire alarm control panel(s) to activate the building
fire evacuation alarms, and send a signal to the base fire department via
the base fire alarm system. Upon activation of a second detector (on the
opposite zone of a cross-zoned system), the systems shall immediately shut
down [computer] [_____] equipment and air conditioning power, close all
fire dampers [release all doors to permit closing] activate the discharge
alarms, and initiate an adjustable 0-60 second time delay. At the end of
the time delay, Halon shall discharge into the protected area [and
post-discharge visual alarms shall activate].
1.7.2.1
Activation By Manual Station
Upon activation by a manual station, the system shall immediately perform
all the above listed alarm functions and shut-down functions, and initiate
the adjustable time delay. At the end of the delay, Halon shall discharge
into the protected area.
[1.7.2.2
Manual Activation of Inhibit Switch
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NOTE: Inhibit switches are optional devices which
decrease system reliability and shall not be used
without approval of the Division Fire Protection
Engineer.
**************************************************************************
Upon manual activation of the inhibit switch, equipment shutdown and agent
discharge shall be delayed. All other functions shall continue unimpeded.
Upon release of inhibit switch, shutdown and discharge functions shall
resume. Time delay shall not reset and shall resume countdown to discharge
SECTION 13966N
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