Officer In Charge Of Construction, 751 Enterprise Ave., Naval Air Station, Lemoore, California 93246-5011

Z -- PRE-SOLICITATION NOTICE FOR RENEW WATER PLANT FILTER MEDIA AT THE NAVAL AIR STATION, LEMOORE, CALIFORNIA SOL N62474-98-B-3547 POC Contact Katherine M. Overby, Contracting Officer, (209) 998-3904. The work includes furnishing all labor, materials, and equipment required to remove existing filter media and to furnish and install new filter media in four filter basins and related work at the water plant facility No. 734. The work includes the following: Carefully remove existing layer of granular activated carbon from filter basin, in a manner to avoid damage to the filter basin walls and equipment. The removed carbon shall become property of the Contractor. Carefully remove the sand and gravel layers of filter media in a manner to avoid damage to the bottom filter tiles or to filter basin walls or equipment. Dispose on the Station within 3 miles of the filters where directed by the Contracting Officer. Wash debris and loose material from filter basin walls and bottom filter tiles, and remove debris from basin. Do not remove the bottom filter tiles. Inspect the bottom filter tiles for damage or missing tiles. Notify the Contracting Officer in writing of the results of this inspection. . Apply an NSF Standard 61 approved coating to interior filter basin concrete walls from the bottom of filter basin to an elevation 12 inches above the operating high water level in the filter basin. Remove the perimeter course of bottom filter tiles to accomplish this work. Furnish and install new filter media layers of gravel, sand, and virgin granular activiated carbon. Disinfect the filter in accordance with AWWA standard. Return the filter to service. Test the operation of the filter, including the surface wash/backwash systems. Coordinate with the Contracting Officer and the water treatment plant operating personnel. The existing water treatment plant shall remain in operation during the construction period. No more than one filter basin shall be out of service at one time. This is a firm fixed price contract. Potential bidders should request IFB N62474-98-B-3547 in writing. A fax is acceptable. Fax number is (209) 998-3906. Tentative issue date on or about 24 August 1998 with a bid opening 30 days later. The proposed contract listed is 100% Small Business Set-Aside. For purposes of completing the Representations and Certifications issued with the specification, any concern submitting a bid is classified as "small" if its annual receipts for its preceeding three fiscal years do not exceed $17,000,000 (SIC CODE 1629). Site visits will be scheduled approximately 3 weeks and 1 week prior to the bid opening. These will be the only visits and accordingly, please schedule early. The Estimated Construction Cost is between $100,000 and $250,000.***** Posted 07/29/98 (W-SN229854). (0210)

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