ae . JOHNSTON ATOLL TITLE 01120 SOSR Launch Pad & Catchment - Subtask A941 USER STRUCTURE /FACILITY NO. TC FUNDING AGENCY JTF-8/ MILCON CRO 7-64 SCIENTIFIC ——— F&SNO. . SCIENTIFIC STATION NO. 72) ($000) BoD 3-]-41 ENGR PROC CONST FOOGO0+140 TOTAL FURN PRE-GO Prior Cost 0.6 0.6 POST-GO Est. 3/68 3.2 11.7 20.1 35.0 TOTAL 3.8 11.7 20.1 35.6 IN ORDER TO MEET THE REQUIRED FULL OCCUPANCY DATE AT GO#+140, IT IS RECOMMENDED THAT THE ENGINEERING DESIGN AND THE PROCUREMENT OF OVERALL SHIELDED AND INDIVIDUALLY SHIELDED CABLES BE ACCOMPLISHED PRE-GO. ESTIMATED ENGINEERING AND PRE-GO PROCUREMENT COSTS ARE $7,200. POST -GO ENGINEERING To be accomplished; however, all design is recommendedto be accomplished Pre-GO. PROCUREMENT To be accomplished; however, the overall shielded and indivi- dually shielded cables are recommended to be procured Pre-GO. CONSTRUCTION The 587 mm SOSR Launch Pad will be a reinforced concrete structure consisting of a 2-ft. thick rectangular foundation, three individual vertical piers 15-ft. high and a 2-ft. thick upper cap which connects the three piers at the top. Located on the foundation and behind the piers will be a 30-inch high Rear Pivot Pedestal, and behind the pedestal will be a 6-ft. deep Spin Motor Pit. An electrical alcove will be located on the east side of the east pier. The launch pad will be oriented on a true azimuth of S 11° W. Five survey markers will be required 50-ft. to the rear of the Rear Pivot Pedestal and on a line normal to the azimuth of the launch pad. The launch control console for firing will be located in the Control Bunker and Converter Shelter Building No. 737. All cabling from the electrical alcove to the launch control console will be installed in conduit. A grounding system will be installed completely around the launch pad with grounding cable extending to critical points on the launch pad. Power to the electrical alcove will consist of 110 volt, 60 cycle, single phase and is required for: area lighting, 110 volt power outlets, and remote power relays. The area lighting will consist of 35~foot high floodlights located on each side of the launch pad. 1-97 aE VOLI April 1969