DIRECTORATE OF CONTRACTING, BLDG 2174 13 1/2 ST, FORT CAMPBELL KY 42223-5358

Z -- CONVERSION OF TWO (2) EACH HUNDRED TON MCQUAY CHILLERS FROM CFC REFRIGERANT R-12 TO HFC-134A SOL DAKF23-95-B-0032 DUE 070595 POC Contract Specialist Kevin Day (502) 798-7824 Contracting Officer Learah B. Smith (502) 798-7822 (Site Code DAKF23) Remove CFC Refrigerant-12 from existing 100 ton, (two each) McQuay chillers. The existing chillers shall be thoroughly purged and cleaned of any traces of the existing refrigerant and lubricating oil. The compressors shall be opened and the gear set and impeller changed, reassemble the compressor, leak test, evacuate and recharge the each unit with HFC-134a and an ester based refrigerant system oil. The chillers shall be started, all controls shall be recalibrated and the chiller shall be redocumented to reflect the conversion modifications. All work shall be performed by a McQuay/Snyder General qualified vendor or by a Contractor factory trained by McQuay. In addition, contractor shall provide materials and labor to install oxygen monitor/alarm, controls, control wiring and interlocks to accomplish the following: Initiate a local tone alert alarm (110 db)(alarm to clear by reset but conditions returned to normal) and activate warning signal lights inside and outside of mechanical room; Provide ventilator purge fan intake and relief dampers as indicated such that the fan will start upon activation of the oxygen sensor and continue to run until after the alarm condition has cleared or been reset; Provide conduit, wiring, relays and contacts necessary to interlock the train with the new oxygen monitor alarm such that if alarm is activated, the boiler gas train controls interlock will close all automatic gas valves so that there are no flames associated with either of the two existing gas boilers including pilots, if any; Provide full one year warranty on all parts and labor associated with the project. Period of performance is one hundred fifty (150) calendar days. Estimated range of the project is $100,000 to $250,000. This acquisition is acquisition is issued pursuant to the ''Business Opportunity Development Reform Act of 1988'' and subsequent award will be subject to the Small Business Competitiveness Demonstration Program; therefore, this solicitation is unrestricted. Standard Industrial Classification Code is 1711. Small business size standard is average annual receipts for the previous three fiscal years cannot exceed $7 million. All responsible concerns may request a bid by submitting a nonrefundable charge in the amount of $25.00. This must be in the form of a money order, certified or cashier's check made payable to the Defense Accounting Office for each copy of the solicitation. For further information contact Lilia Bennett, (502) 798-7810.(0130)

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