HQ Electronic Systems Center, Operational Contracting Division, Commodities Branch (PKOS), 104 Barksdale Street, Hanscom AFB, MA, 01731-1806

70 -- UNINTERRUPTABLE POWER SUPPLY SOL F19650-95-R0224 DUE 080195 POC Patricia E. Gilchrest, Contract Specialist, (617)377-2560; John Sorgini, Contracting Officer. The Operational Contracting Division, Commodities Branch intends to issue a Request for Proposal (RFP) for the acquisition of 1 each Uninterruptible Power Supply (UPS) to replace an existing system manufactured by Abacus Controls, Inc. The system will provide simultaneous output power of 4.0 KVA at 60 Hz and 5.6 KVA at 400 Hz while operating from any of the following sources: Aircraft electrical power; land vehicle generator set; mobile ground power; aircraft ground support power; public utility power; and UPS battery backup set. Both 60 Hz and 400 Hz output power will be 115 VAC plus or minus 3% with frequency regulation of plus or minus 0.5 Hz on the 60 Hz power and plus or minus 7 Hz on the 400 Hz section. On the 400 Hz output an unbalance of 3 volt, maximum, will be accepted with a load unbalance of 50%. The UPS shall maintain a full rated power output of 9.6 KVA from the battery backup set for not less than 10 minutes and of 4.8 KVA for not less than 30 minutes. The UPS shall have automatic shutdown circuitry in the event of malfunction. The UPS shall fit in an equipment rack no larger than 23'' W X 65'' H and shall work as specified in temperature range of 32 degrees F to 100 degrees F and between sea-level and 10,000 ft. Organizations who are interested in receiving a copy of the RFP should respond in writing within fifteen (15) days of this publication to ESC/PKOS, ATTN: Patricia Gilchrest, 104 Barksdale St, Bldg 1520, Hanscom AFB, MA 01731-1806, (617)377-2560, FAX (617)377-9217. Anticipated RFP opening date is on or about 1 AUG 95. All responsible sources may submit a proposal which shall be considered by the agency. Firms responding should indicate if they are/are not a Small or Small Disadvantaged Business. (0167)

Loren Data Corp. http://www.ld.com (SYN# 0469 19950619\70-0004.SOL)