JOHNSTON ATOLL
SUPPORT
02006A
Page 2
air conditioning ‘capacity and manual light-dimming capability were provided.
Cable racking was installed and houses the cables for the television monitors
and plot boards.
Electrical modifications, addition of partitions, and the installation of cable
racking and cable termination equipment were installed in the Display Support
Room. This room is located on the third floor of the JOC.
Drawings:
91-20-A23
91-20-Ml2, M13, M15
M18 and M20
91-20-M29 thru M33
91-20-E6, E7, E10, Ell and El5
91-20-F16, E18, El9, E29
JS 91-20-A108 and A110
MODIFICATION C - Computer Area - Subtask A909
- TC
The Computer Area, comprising approximately 4, 100 square feet, is located
in Room 102 on the first floor of the JOC.
A 2,400 square foot modular type
screen room was provided within Room 102. The remainder of the area is
utilized for electronic equipment, and office and working space. Room 102
was provided with raised floor and ceiling plenums to facilitate recirculation
ofair. Air conditioning is supplied by the building central system. Approximately 125 kw of 120/208 volt, 60 cycle, 3 phase utility and computer power
and 60 kw of 120/208 volt 400 cycle uninterrupted power is provided to Room
102.
Drawings:
91-20-A25
91-20-W8 and W9
91-20-M35 thru M38
91-20-E32 thru E35
MODIFICATION D
91-030-W1l thru W119
- Submarine Cable Room
The Submarine Cable Room, located on the second floor of the JOC, was
modified to facilitate the installation of a screen room.
The modifications
consisted of relocating three existing power panels and the room lighting
control switches.
Drawings:
Additional electrical outlets were also installed.
91-20-E15
91-20-E28
MODIFICATION E - Teletype Room and JTF Command Post
The north and south walls of the Teletype Room were provided with soundproofing. A 12-ft. long by 4-ft. wide viewing window was installed in the
wall between the JTF -8 Command Post and the JTF -8, J-3 office.
The
window is double paned to reduce sound transmission.
Drawing:
JS 91-20-A105
2-9
VOLI
April 1969