US ARMY CORPS OF ENGINEERS, PORTLAND DISTRICT, PO BOX 2946, PORTLAND OR 97208-2946

38 -- BONNEVILLE GANTRY CRANES 5 & 6 MAIN HOIST REWIND AND CONTROL UPGRADE SOL DACW57-99-Q-0001 DUE 010499 POC Contract Specialist MARTINA HARWOOD (503) 808-4614 (Site Code DACW57) The Portland District, Army Corps of Engineers intends to award a contract to replace the main hoist controls with Variable Frequency Drive (VFD) systems on two identical gantry cranes located on the spillway on the Bonneville Lock and Dam Project in Cascade Locks, Oregon. The main hoist motor on the gantry cranes are 60 hp, 460V, 60 Hz wound rotor motor. The contractor shall remove and dispose of all the control equipment and resistor banks, including the enclosures associated with the main hoist. The motor shall be testing and based on the results, shall either be re- insulated or rewound at an approved motor repair shop. The secondary windings shall either be shorted internally or connected to a fixed secondary resistance as determined by the contractor in order to provide an operating system. The contractor shall design, fabricate, and install a new VFD system for the main hoist motor on each crane along with a new load cell system. The new control system shall allow for local control at the base of the crane and allow for provisions to remotely operate the main hoist through the Project's existing PLC system. Additional work items include the replacement of the master control switch, indicating lights, shoe brake, refurbishment of the band brake, and replacement of the reversing starter cabinet for the main hoist trolley motor on each hoist. Some of the existing equipment to be removed contains asbestos and minor asbestos handling and disposal will be required. This procurement is 100% set-aside for small business concerns, the size standard for which is 750 employees. The solicitation will be issued on or about December 1, 1998. Request for Quotations will be due on or about January 4, 1999 at 4:00 p.m. Award will be made on a best value basis. All responsible sources may submit a quotation which will be considered by the agency. Please fax your requests for this solicitation to 503-808-4605, Attn: Carol Marshall, please include your name, company name, address, business size, and fax number. SIC 3531 Posted 10/06/98 (I-SN259260). (0279)

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