U.S. Army Engineer District, Savannah, P.O. Box 889, Savannah, Georgia 31402-0889

59 -- CIRCUIT BREAKERS - RETROFIT SULFUR HEXAFLUORIDE (SF6) GAS GENERATOR CIRCUIT BREAKERS SOL DACW21-96-B-0051 DUE 050796 POC Kathleen Achord, Contract Specialist, (912) 652-5169 or Judy Hackney, Contracting Officer. Proposed procurement of four (4) retrofit station-type generator circuit breakers, spare parts, and the services of one or two Erecting Engineers. The breakers will replace existing Westinghouse Type 150-CA-1500, three-pole, air blast breakers. The circuit breakers shall be three-pole, single-throw, fully automatic, single pressure interrupter units with pneumatic, hydraulic, or spring operating mechanism. The breakers shall use sulfur hexafluoride (SF6) gas as a dielectric and as an arc extinguishing medium. The retrofit circuit breakers will be designed to utilize the existing Westinghouse switchgear cubicles, current transformers, disconnect switches, door interlocks and connect to the existing isolated phase bus. Application of the circuit breakers will be in a hydroelectric powerhouse at an altitude below 3,300 feet, within ambient temperature extremes of 0 degree C to +40 degrees C. It is estimated that the solicitation will be issued on 4 April 1996. This is a Civil Works Program procurement and is not funded by the Department of Defense. Only written requests for the plans and specifications will be accepted. Required bid package can be obtained from the Savannah District. (0079)

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