Department of the Interior, U.S. Geological Survey, 345 Middlefield Road,Mail Stop 285, Menlo Park, CA 94025-3591

43 -- PUMPS & COMPRESSORS, BOOSTER COMPRESSOR SHOULD BE POWERED BY A DIESEL ENGINE CAPABLE OF PROVIDING THE NECESSARY HORSEPOWER FOR OPERATION AT AN ECONOMICAL RPM. SOL 99-7420-2133 DUE 102699 POC Ann Margrave (650)329-4132 E-MAIL: amargrave@usgs.gov, amargrave@usgs.gov. The booster air compressor required for this application must have the following physical characteristics and functions to meet the government's minimum needs. Booster compressor must convert the input air to discharge air having a pressure of at least 800 psi on a continual basis. Booster compressor must be mounted on a heavy-duty skid, with lifting eye and forklift pockets and have a dry weight of less than 6000 pounds. The unit must be a a compact design, such that it can be carried by a medium-size truck or trailer. A towable, trailer-mounted option should be offered in the bid. Booster compressor unit shall be equipped with the following: Two-stage air cleaner, full-flow oil filter, fuel filter, fuel-water separator, air moisture separator, air pre-cooler and after-cooler, safety shutdowns: low engine oil pressure, high-coolant temperature, oil cooler temperature, and air high-discharge temperature, safety relief valves for inlet and discharge air, bypass unloading valve, fan and belt guard. Posted 10/05/99 (W-SN388740). (0278)

Loren Data Corp. http://www.ld.com (SYN# 0198 19991007\43-0002.SOL)