2.9
BATTERY CHARGERS
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NOTE: If disposable batteries are used, delete this
paragraph. The recharge time for battery chargers
varies with different manufacturers. Manufacturers
should be consulted, based on facility requirement.
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Battery chargers for rechargeable batteries shall be of [single] [and]
[multicharger] type with charging indicator for each receiver or battery.
Multicharger unit shall be capable of charging [_____] receivers and
[_____] spare battery sets simultaneously. The chargers shall have a
nominal input voltage of [120] [_____] volts ac 50 to 60 Hz. The maximum
charging time shall be [_____] hours. The Contractor shall furnish
[[_____] desk-mounted single] [and] [[_____] multicharger] units as
indicated. Chargers shall provide a signal to the encoder when the
receiver is in the rack to indicate unavailability. Pages originating from
telephones shall result in a distinct absence tone response to the paging
party.
PART 3
EXECUTION
3.1
INSTALLATION
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NOTE: Because a Radio Page System is used to issue
instructions during emergency conditions, the system
must be connected to the Emergency Power System,
Life Safety Branch according to the Health Care
Facility standard, NFPA 99.
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Installation shall be as shown and in accordance with the manufacturer's
recommendations, except where otherwise indicated.
3.1.1
Wiring
Wiring shall be installed in rigid conduit, intermediate metallic conduit,
or electric metallic tubing as specified in Section 16402 INTERIOR
DISTRIBUTION SYSTEM.
3.1.2
The transmission line shall be installed in conduit, with the outer
conductor and lighting arrestor grounded to the conduit. Installation
shall comply with NFPA 70.
3.2
TESTING
The Contractor shall notify the Contracting Officer [30] [_____] days
before acceptance tests are to be conducted. Tests shall be conducted in
accordance with the approved test plan. The Contractor shall furnish all
instruments and licensed personnel required for the tests. The tests shall
be conducted for all pages on all selected codes and groups to insure that
the pages meet the operational requirement of these specifications. Tests
shall be performed with a field intensity meter to measure the transmitted
field strength throughout the required area of coverage. The minimum field
strength shall assure specified tone and voice reception. If any
SECTION 16755A
Page 13
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