JOHNSTON ATOLL F&SNO. 0304E USER TG 8.6 SUPPORT TITLE Power Plant STRUCTURE FACILITY NO. SCIENTIFIC STATION NO. 48 and 49 BoD None FOO FUNDING AGENCY AEC ADC ORDER ($000) ENGR PROC PRE-GO Prior Cost CONST TOTAL 5.2 FURN 5.2% PRE-GO Prior Cost 8.2 492.3 500, 5° 8.2 497.5 505.7 NO.S-661A5 TOTAL COMPLETED DESCRIPTION Building 48 is a single story, rigid steel frame structure with corrugated asbestos cement siding and roof, and contains approximately 16,000 square feet. The power plant houses six 1375 kw and one 1400 kwdiesel driven generators. A 5-ton traveling crane is provided. Silencers are provided for all engines to reduce objectionable engine noise. A 13,500-barrel capacity cone root fuel tank, (Building 49) 50-ft. in diameter and 40-ft. high, is located north of the powerhouse to provide a 45-day fuel supply for the power plant, the distillation plant and the new mess hall. (Completed in 1965.) The Control Room (Room 106) of the Power Plant Building has been air conditioneu by the addition of a 5-ton, self-co:..ained thermostatically controlled air conditioning unit. A continuous line (adjustable ) supply air diffuser has been installed along the east wall approximately 8-ft. above the floor, and two return air registers have been installed in the suspended ceiling near the north and south ends of the west wall. The additional 1400 kw diesel driven generator, distribution equipment, auxiliary gear and mechanical equipment were installed to provide power to the Air Force Logistic Command furnished 25 ton LOX generating equipment and other facilities as required. Electrical and communications requirements were also installed from MH 0304 to existing SS 4103 (completed in 1968). Piping, roofing and ventilation modifications are presently being accomplished with maintenace funds. «Cost shown is for air conditioning installation only. included with F&S No. 0304A. Building costs are “Cost shown is for additon of 1400 kw diesel driven generator. VOLI April 1909