ne JOHNSTON ATOLL F&SNO. 01013 USER SCIENTIFIC TITLE Command and Tracking Center STRUCTURE/FACILITY NO. SANDIA SCIENTIFIC STATION NO. 660 91-4-1 91-4-2 B00 91-4-3 FOOD FUNDING AGENCY AEC ($00) PROC CONST TOTAL FURN PRE-GO Prior Cost SANDIA ENGR 5.5 56.1 61.6 18.5 268.5 287.0 24.0 324.6 348.6 PRE-GO Prior Cost TOTAL COMPLETED DESCRIPTION The Command and Tracking Center (completed in 1963) is used by Sandia for free flight Strypi and instrumented rocket operations. The Center is located within three interconnected and buried steel arch bunkers containing about 2880 square feet of floor space. Two bunkers are 17 x 45-ft. anda third is 13 x 45-ft. Ceiling heightis 8 1/2-ft. The bunkers are framed inside with wood studs covered with gypsum board. A false floor was constructed over the concrete slab. Toilet facilities are provided in the 13 x 45-ft. bunker. About 70 tons of air-conditioning is usedto maintain temperature control of equipment utilized for processing and computing the input of the tracking facilities. Each bunker is furnished with a steel blast door on the south end and an escape chute on the north end. 500 kva of 480 volt, 3 phase utility and lighting power is provided to the bunker. An additional 300 kva of 120/208 volt, 3 phase power is provided to the bunker for incandescent lighting and scientific power. The scientific power system is tied into two Sandia furnished 60 kw, 120/208 volt, 3 phase, engine motor generators, located in Building 741, which provide nobreak power. (See F&S No. 02071). The Center is equipped with heat detectors which include a visual and audio Signal connection to the fire station. DRAWINGS: 91~3200-Al and A2 91-660-Al thru A3 91-660-C1l 91-660-S5 thru S9 91-660-M1 thru M6 91-3200-Cl 91~3200-S5 thru S9 91-3200-M1 and M2 91-660-E1 thru E9 91-3200-E1 thru E7 JS 91-3200-S100 and S101 1-13 | CC, VOLI April 1969