Loren Data Corp.

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COMMERCE BUSINESS DAILY ISSUE OF NOVEMBER 13,1998 PSA#2221

Bureau of Reclamation, Acquisition Operations Group, Code D-7810, Denver Federal Center, PO Box 25007, Denver CO 80225

35 -- TRAVELING SCREENS SOL 99SQ810014 DUE 111798 POC Ann Capron by FAX (303)445-6345 or E-Mail at acapron@do.usbr.gov. WEB: AAMS Current Solicitation Listing, http://www.usbr.gov/aamsden. E-MAIL: Ann Capron, acapron@do.usbr.gov. Marketing Research -- The Government is seeking sources to provide a Traveling Water Screen equivalent or similar to the traveling water screen manufactured by F.P.I. Traveling Screens, Shafter, CA. The traveling water screen needs to have a frame width of 47.5 inches and an overall length of 12 ft. The screen is intended to be mounted at an 80 degree angle in a 4 ft wide by 8 ft high rectangular channel. Therefore, the screen width, including motor, drives, or other equipment, can not exceed 47.5 inches at any location on the lower 9 ft of screen. The traveling screen shall require no mounting, holding, or fastening to the side walls or floor of channel. Drive Motor Specifications: One (1) variable speed drive and motor shall be provided for the traveling screen. The motor shall be rated at a minimum of 1 HP, 3 phase and 480 Volts. Screen speed shall be variable from 0.5 ft/m to 7 ft/m. Miscellaneous Metal: Mounting bolts for all appurtenances that are installed in locations where exposure to water is likely, shall be manufactured of stainless steel. Performance: Provisions for screen tension adjustment shall be included. All drive components shall be designed to withstand the full NEMA stalling torque of the motor without damage to any part of the drive. The motor shall be adequately braced to withstand warping due to handling, transport, and operation. Control box to include hands off automatic switch, delay timers, starters, fuses and central power transformer 480V-120V, and a three prong outlet for 120VAC service. Spare fuses shall be furnished by the Contractor. Contractor shall supply an operation and maintenance manual for the travel water screen and appurtenances to the engineer. Lubrication of traveling water screen and appurtenances must be able to be accomplished without polluting water. Frame Side Rails: Frame side rails shall be 9" X 20 lb. channels or approved equivalent. Chain Support: Chain support shall be 2-in X 2-in X -in angle and shall have all contact surfaces covered with ultra high molecular weight polyethylene. Wire Belt: Two wire belts shall be supplied with the screen. The first belt shall be stainless steel 4.8-2.4-12 (2.5 inch width opening, 4.8 openings per foot horizontal, 5 inch height of opening, 2.4 openings per foot vertical, and constructed of 12 gauge material). The second belt/screen shall be stainless steel 4-2-12 (3 inch width opening, 4 openings per foot horizontal, 6 inch height of opening, 2 openings per foot vertical, and constructed of 12 gauge material). Both belts/screens shall be standard balanced as manufactured by Alloy Wire Belt or approved equivalent. Supports for belting shall be 5/16 in diameter stainless steel rod supported at each end and located at 6-in intervals in wire belting. Debris Pickup Bars: Debris pickup bars shall be 2-in X 2-in X -in stainless steel angle and shall be installed parallel to the 5/16 in diameter support rods. Drive Chain: The main drive chains shall be stainless steel 2060 with 5/16 in holes in side plates. Screen Cleaning System: The debris removal system shall consist of two horizontally mounted spray wash bars mounted internal to the screen and a counter rotating brush mounted on the back of the screen. Screen wash system to be supplied with unit from existing pressurized water supply. Solenoid valve shall be installed and controlled by screen controller. Valve shall allow pressurized water to be supplied to the screen upon motor startup. Water supply to the screen shall be filtered water or absent of any solids or debris. If required, a 40 mesh filter unit is to be supplied by contractor. The spray wash line shall include ball valve for adjustment of flow rate to the spray nozzles. Debris Removal System: A conveyor type debris removal system shall be provided that collects debris washed off the screen and carries it to a location 3 ft above the screen and 3 ft horizontal to the screen edge. The debris conveyor system shall move debris to the right of the screen looking downstream. The conveyor system shall have smooth vertical walls at least 1 ft high adjacent to the conveyor belt to prevent debris from prematurely falling from the conveyor system. The debris removal system (conveyor) shall include variable speed motor drive and all associated equipment required to transport debris to the dump location. Concerns having the ability to furnish the item described herein are requested to give written notification and pricing data via fax (303)445-6345 or E-Mail -- d7810@do.usbr.gov/ no later than November 17, 1998. Responses must be in sufficient detail to demonstrate the respondent's ability to meet the requirements stated above; and should include the firms's Dun & Bradstreet and Tax ID Numbers (TIN). Posted 11/10/98 (W-SN270476). (0314)

Loren Data Corp. http://www.ld.com (SYN# 0295 19981113\35-0004.SOL)


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