Arnold Engineering Development Center, ATTN: AEDC PKP, 100 Kindel Drive, Suite A332, Arnold AFB, TN 37389-1332

Z -- UPGRADE REFRIGERATION SYSTEM FOR ENGINE TEST FACILITY BASIC PLANT SOL F40650-96-R-0004 DUE 013196 POC Lynn Jefferies, Contracting Officer, (615)454-5174. This turnkey project is for the design, fabrication, installation, and testing of a renovated refrigeration system at Building 878 of Arnold Engineering Development Center (Arnold AFB), Tennessee. The contractor shall modify three refrigeration units as necessary to convert them from R-12 use to R-134a use. Each system is composed of a refrigeration unit, a TCE brine circulation system, and heat exchanger coils. The existing units are approximately nine years old. Existing equipment may be re-used if certified as acceptable for use with R-134a. All pressure vessels, including condensers, economizers, evaporators, compressors, filter driers, and lube oil coolers shall be fabricated, assembled, and erected in accordance with ASHRAE STD-15 and ASME VIII, Div. 1. Related elements of work include repair or replacement of existing concrete bases, removal of lead or barium-containing paint from existing equipment, painting of carbon steel or structural steel surfaces, and renovation or replacement of existing piping. The estimated order of magnitude is $500,000 to $1,000,000. Proposed performance period is sixteen months following contract award (seven months for design and nine months for implementation), but is negotiable. Any responsible firm may submit a proposal which will be considered. Foreign participation is authorized. Any firm responding to this notice should do so in writing and should indicate whether or not it is a small business and whether or not it is a small disadvantaged business. Please note that the ''due date'' referenced above is an anticipated release date for the RFP and not a due date for the submission of proposals. An Ombudsman has been appointed to hear concerns from offerors or potential offerors during the proposal development phase of this acquisition. The purpose of the Ombudsman is not to diminish the authority of the program director or contracting officer, but to communicate contractor concerns, issues, disagreements, and recommendations to the appropriate government personnel. When requested, the Ombudsman will maintain strict confidentiality as to the source of the cocern. The Ombudsman does not participate in the evaluation of proposals or in the source selection process. Parties wishing to refer an issue to the Ombudsman (Mr. John Rampy) may contact him at 615-454-5613 (Please do not address routine requests for solicitation packages to the Ombudsman). (0339)

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