Project Name M-DCPS MASTER Nov. 2014
Project No. SPECIFICATION GUIDELINES 13745 − 14
F. Provide a rack mounted battery backup system or accepted equivalent with a capacity for
operating the head-end under normal idle load for 2 hours and then operating the system
in at full power to all speakers for 5 minutes after the end of the idle period.
3.3 INSTALLATION
A. Provide and Install the intercom and clock systems according to applicable codes and the
Contract Documents.
B. System equipment and wiring installation shall be by the properly licensed company,
either the original equipment manufacturer or the factory distributer for the brand of
equipment used. Furnish wiring diagrams and wire runs for the raceway system installed
by the licensed electrical contractor, under Division 13 and 16.
C. The system shall be tested for shorts, grounds, continuity, and finally for proper
functioning and operation.
D. Final connections of equipment, testing of system, and any other necessary adjustments
shall be performed by a certified factory trained technician, employed by the equipment
manufacturer, and under the manufacturer's direct supervision.
E. Equipment shall be installed according to manufacturer's recommendations.
F. Installation of head-end or control equipment shall be done only by the employees of the
factory authorized distributor of the equipment being installed.
G. Install wiring, conduit, boxes and the like required for installation of a complete system as
specified in this section and as shown on the drawings according to manufacturer's
instructions, accepted submittals, and the requirements of this section.
1. Color code wires.
2. Tag wires at junction points. Wire terminations shall be made at equipment terminals
or at terminal cabinets. No splices are allowed in the systems.
3. Install wiring in conduit free from opens, grounds, or crosses between conductors.
4. Do not use PVC or other plastic conduit above ground.
H. Number of wires shall be according to manufacturer's wiring diagram. Install wiring in
conduit. Pull and junction boxes and terminal cabinets for the system shall be provided
with terminal strips, identified for wire terminations, and painted yellow.
I. Terminations shall be in hinged terminal cabinets and provided with wire tabs. Solder or
taped joints are not allowed. Loop through wiring is allowed, but spares shall be
terminated.
J. Furnish and install entire system according to accepted shop drawings of equipment and
wiring diagrams.
3.4 FIELD QUALITY CONTROL
A. Factory trained technician shall check and test system for shorts, grounds, and circuit
continuity and finally for proper function and operation before scheduling initial system test
by M-DCPS.
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