Ane JOHNSTON ATOLL 01019 SCIENTIFIC Page 2 Building 840 (completed in 1965) is identical to Buildings 714 and 716 but only the building shell has been constructed. Completion of the interior of the building will be accomplished in FY 71. Building 720 (completed in 1965) has been provided by relocating old Building 759. This building is a rigid steel frame structure 33 1/2 x 24x 19-ft. high with corrugated aluminum roof and siding and concrete floor, A 5-ton manu- ally operated bridge crane with a 13-ft. hook height extends the entire length of the building. The building has three windows, six skylights, a personnel door, and on the north side of the building a pair of 10 x 10-ft. bi-parting sliding doors. A 20 x 21] 1/2-ft. long sloping reinforced concrete ramp serves as an approach to the sliding doors. The interior walls and roof are insulated and covered with plywood. The building is air conditioned by a portable unit mounted on a trailer located outside the building. A package unit provides compressed air to two air valves located inside the building. Each valve is equipped with 25-ft. of flexible air hose. A 30 kva, 480 volt to 120/208 volt, 60 cycle, 3 phase transformer located on the southwest side of the building provides power to the facility. All interior lighting and receptacles are explosion proof. Outside area lighting is installed on the northwest and southwest sides of the building. Coral berms, 12-ft. high, have been constructed on three sides of each of the four buildings with the openside facing the runway. See F&S No. 02065, FY-71 ENGINEERING Completed. PROCUREMENT Minor perishable materials required for completing the CONSTRUCTION The interior of Building 840 will be completed. interior of Building 840 and chainlink fencing material. This con- struction includes the installation of the insulation, duct work, air condition- ing, interior walls and doors, painting, and electrical work. Approximately 1560 lin. ft. of 7-ft. high chainlink security fence, topped with barbed wire, will be erected around Buildings 720, 722, 723 and 724, and will also enclose the coral berms. vided in this fence, VOL I 1-22 Only ane vehicle gate will be pro-~