USDI, Bureau of Reclamation, Northern California Area Office, 16349 Shasta Dam Blvd., Shasta Lake, CA 96019-8400

61 -- POWER TRANSFORMER SOL 99SQ230006 POC Sam Varner, (530)275-3091 WEB: click here to electronically access the solicitation, http://ideasec.usgs.gov. E-MAIL: click here to contact the agency point of contact, svarner@mp.usbr.gov. The transformer shall be indoor ventilated dry type, self cooled, NEMA Class AA, with Class H insulation and shall conform to the applicable and latest requirements of ANSI C57.12.00 and C57.12.90, NEMA Publication No. TR1 and NEMA Publication No. TR27 "Commercial, Institutional and Industrial Dry-Type Transformers." The power transformer shall be provided with a high voltage terminal box on the front side and a low voltage terminal box on the rear side. Cable entries in both cases will be from the top. The ratings and characteristics of the transformer shall be as follows: Normal continuous self cooled rating...2500 kVA Frequency...60 Hertz Number of phases...3 High voltage (rated)...13,800 volts Low voltage (rated)...2,300 volts High voltage winding connection...Delta Low voltage winding connection...Delta Impedance (maximum)...5.75 percent BIL requirements high voltage (minimum)...95 kV High voltage taps at rated kilovoltampere capacity...Four at 2-1/2 percent Low voltage taps...None Sound level (maximum)...68 dB Temperature rise (above 40 degree C ambient)...150 degree C (maximum) Dimensions (not to exceed)...96" high by 84" wide by 84" deep Insulation...Dry type, vacuum pressure impregnated Winding and bus material...Copper At the time of this notice, the solicitation response date has not been determined. The estimated issuance date of the solicitation is May 25, 1999 with responses due by June 11, 1999. Delivery of the transformer shall be 75 days after issuance of order. See Note 1. Posted 05/04/99 (W-SN327605). (0124)

Loren Data Corp. http://www.ld.com (SYN# 0301 19990506\61-0005.SOL)