manner consistent with the manufacturer's specifications. The distribution
system configuration and placement shall conform to available cable routing
and proposed equipment locations as shown.
3.1.3
Components
Amplifiers, combiners, splitters, and power supplies shall be located in a
secured area on the specified equipment backboard or rack mounted as shown.
3.1.4
Tower
Tower shall be installed in accordance with the manufacturer's
instructions. Tower parts shall be inspected upon receipt. Members which
sustain damage either in shipment or in construction shall be replaced
immediately.
3.1.5
Antenna
Antenna shall be installed in accordance with the manufacturer's
instructions. Exact antenna alignment to receive the maximum signal level
and quality is the responsibility of the Contractor. Antenna downlead
cable shall be supported at intervals of not more than one meter three feet.
3.2
GROUNDING
Grounding shall be in accordance with applicable portions of NFPA 70, NFPA
780, IEEE C2, UL 467 and EIA ANSI/TIA/EIA-222-F. Maximum resistance to
ground at the connection point for system components shall be 25 ohms.
Grounding conductor shall be minimum No. 6 AWG solid copper. Existing
tower, if utilized, shall be made to conform to the above requirements.
System components shall have a direct connection to ground. Each cable
shall be grounded at the point of building entry with a grounding block or
shall be equipped with a surge protector to dissipate electrical surges.
Grounding block shall be directly connected to a driven ground. Head end
equipment shall be equipped with surge protection by either inherent design
or external device. Unless otherwise specified, lightning and transient
surge protection shall be provided in accordance with NFPA 780.
3.3
FIELD TRAINING
The Contractor shall conduct training courses for operating and maintenance
staff designated by the Government. The training course will be given at
the installation during normal working hours for a total of [_____] hours
for [_____] persons and shall start after the system is functionally
completed but prior to final acceptance tests. The field instructions
shall cover all of the items contained in the approved operation and
operations. The Government shall be notified at least 14 days prior to
start of the training courses.
3.4
TESTING
The Contracting Officer shall be notified [30] [_____] days before the
system is ready for acceptance tests. Acceptance tests shall not be
conducted until the system has experienced [60] [90] days of satisfactory
operation, the last 20 days of which shall have been with no component
failures. Acceptance tests shall be performed in accordance with the
approved Test Plan, shall conform to NCTA RP, and shall be conducted in the
presence of the Government. Instruments, personnel, and transportation
SECTION 16785A
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