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