eee. JOHNSTON ATOLL F&S NO. 01074 USER SANDIA FUNDING AGENCY AEC : SCIENTIELC TITLE HRT and EM Measurement Bunker STRUCTURE /FACILITY NO. 640 ($000) . ENGR SCIENTIFIC STATION NO. 91-4-49 PROC CONST BOD ’ FODGO+120 TOTAL POS T-GO Est. 10/68 2.5 19.5 22.0 TOTAL 2.5 19.5 22.0 FURN POST-GO ENGINEERING To be accomplished. PROCUREMENT To be accomplished. CONSTRUCTION The existing Bunker 640 will be rehabilitated and partitioned to provide rooms for HRT and EM stations. The HRT and EM roomswill be provided with 36-inch workbenches and shelves. The HRT.room will have fourteen 115 volt, single phase, 20 amp duplex receptacles, distributed about the peri-. meter of the room. A Sandia furnished electronic rack with a 10 kva heat output will be installed in this room. above mentioned receptacles. separate circuit. The EM room will be provided with fifteen of the Each receptacle in both rooms is to be ona Sandia furnished electronic racks in the EM room will have a 1.5 kva heat output. A Sandia furnished antenna will be mounted ona 4-inch diameter x 16-foot long steel pipe (with concrete footing) located on the west side of the building. This antenna will be connected to the EM room with a cable through the wall. Two 10 x 10-ft. antenna supports will be provided on the high ground south of the bunker. The HRT antennas will be Sandia furnished. Cable from these antennas will enter the HRT room through the south wall of the bunker by way of 8 x 8-inch weatherproof cable troughs. Air conditioning will be pro- vided in this facility. 1-68 a VOLI April 1969