Attachment 18
A18.7.7.1. Utilities. Electrical power shall be 120/208, (Insert appropriate number) Hz, plus or
minus 10 percent, three-phase, four wire.
A18.7.7.2. Environmental Requirements: Environmental control is required in the control cab
and the two electronic equipment rooms in order to sustain effective and continuous electronic
equipment operation. The operational limits and the amount of heat dissipated by the equipment
are as follows:
Room Heat Dissipated Temp/Humidity
Tower Cab ______BTU _______/_______
Upper Equipment Room ______BTU _______/_______
Lower Equipment Room ______BTU _______/_______
A18.7.7.3. Field Lighting Panel: A field lighting panel, connected to the night lighting vault,
will be required for this new structure.
A18.7.7.4. Communications: All existing communication lines/circuitry for NAVAID monitors
and radio transmitters/receivers now terminated in the existing control tower shall be provided to
the new control tower.
A18.7.7.5. Underground Duct: The existing base duct system must be extended to the proposed
control tower site for the field lighting cables, primary power cables, control cables, telephone
cables, and meteorological cables.
A18.7.8. After the control tower project has become a firm MCP item, programming action should
be initiated by the base Communications Squadron to relocate the electronic equipment from the old
control tower.
A18.7.9. Point of contact concerning the survey are __________________, HQ AFFSA/XRE, DSN
858-3986.
A18-9
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