HSC/YAK, 8107 13th St, Brooks AFB, TX 78235-5218

61 -- SECONDARY DISTRIBUTION CENTER (SDC) SYSTEM DUE 042898 POC Kim Walton, Contract Specialist, (210) 536-6385; Ruth C. Spencer, Capt, USAF, Contracting Officer, (210) 536-4570 E-MAIL: clich here to contact the contract specialist via e-mail, kim.walton@hermes.brooks.af.mil. 1. Reference item number 10; Closing Response date is as stated above. The Integrated Product Team at the Humans Systems Program Office, Brooks Air Force Base, Texas, is currently working to obtain the electrical distribution box that will satisfy the electrical requirements for operating a newly developed field deployable air conditioning and heating equipment currently being used on the Air Force Chemically Hardened Air Transportable Hospital (CHATH). This announcement is NOT a formal solicitation and is NOT a request for proposal. This synopsis is for information and planning purposes only and is not to be construed as a commitment by the Government. Any formal solicitation will be announced separately. Toward that end, the USAF is seeking sources that can manufacture/produce an electrical distribution unit to fulfill USAF military needs (described below). The air conditioning and heating system for CHATH is the Chemically Hardened Air Management Plant (CHAMP). CHAMP is a 20-ton air conditioner withelectric heaters, waste heat recovery system and an integral back up diesel engine generator. During development of the CHAMP an existing electrical distribution box had to be modified. This electrical distribution box is the Secondary Distribution Center-30 (SDC-30) which is a sub-component of the current Air Force Harvest Falcon electrical distribution system. The modified SDC bears a name of SDC-50 and is provided with a complete technical data package (i.e., drawings and specifications). Because the Air Force has a very limited quantity of SDC-30 to be modified, the USAF is seeking sources to manufacture the SDC-50 that will meet the requirements of the technical data package. General description of the SDC-50 is described below. 2. The SDC-50 must be compatible with the existing Harvest Falcon electrical distribution system for which it was originally designed and the Mission Essential Power generator MEP-100 or pre-planned Air Base power grid capable of providing a power supply of 4160 V, 3 phase, 60Hz to the primary side of the transformer of the SDC. The Harvest Falcon is a 750-KW power generation system consisting of generators (750 kw-ea), Primary Distribution Centers (PDCs), and SDCs. The PDC controls and regulates the 4160 V generated by the 750 KW generator and transmits this power to the SDC which steps down the 4160 V to 120/208 V, 3 Phase, 60 Hz output. The SDC-50 is designed to accommodate two operating CHAMPs simultaneously and is capable of producing the following electrical output: KVA Volts Ambient 170 208-228 50 F max 150 208-228 -25 F to 125 F The SDC-50's true electrical rating is 150 KW based on the ambient temperature shown above. The 170 KW is based on re-rating the present transformer capability at maximum ambient temperature shown. Re-rating of the SDC's transformer was necessitated to meet two CHAMPs total power draw of 168 Kw (84 KW per CHAMP on heating mode) without altering the transformer design. CHAMP cooling mode power draw is about 64 KW each. The SDC output power distribution is characterized by two output terminals dedicated to CHAMP (2-250 A, hardwired connection), and 2-20 A, 2-60 A and 2-100 A output terminals using MS connectors (i.e., multi-pin type connectors). The SDC-50 is provided with a mechanical bar locking system to allow operation of either two CHAMPs or other military ground equipment through the use of smaller output terminals. The SDC-50 is designed to operate in a chemically active environment and therefore must be resistant to the corrosive effects of the chemical agents commonly used in chemical warfare and be readily decontaminable. 3. The USAF is considering a Full and Open competitive contractual procurement and intends to issue a formal Request For Proposal (RFP) in the summer of 1998. An SDC-50 WWW page will be established for updates on the SDC-50 program, to include release of draft and final acquisition documentation (performance specifications, statement of objectives, etc.). 4. The USAF is soliciting sources to manufacture and produce thedescribed SDC-50 unit. Contractors who are interested in the production of said SDC-50 system, are requested to respond by the closing response date to the Contract Specialist, Mr. Kim Walton, at HSC/YACG (Contracting), 8107 13th Street, Brooks AFB, Texas 78235-5218. Your response should include a qualification package which establishes your expertise, or ability to obtain the expertise required for this acquisition. There is no specific format that your response must follow. Include any other specific and pertinent information that may apply to this request. Please respond within 20 days after this announcement. (0097)

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