Bechtel National Inc., P.O. Box 193965-45/8/C43, San Francisco, CA 94119-3965

43 -- CENTRIFUGAL PUMPS SOL 19987-337-E3G-R POC Rose L. Hoffman, Procurement Representative, (415) 768-2467. Bechtel National, Inc., acting as agent for the US Army Corps of Engineers on the Chemical Stockpile Disposal Program (CSDP), intends to competitively solicit proposals to provide 6 centrifugal pumps, 2 each for three current sites, with the option for additional pumps for future sites that may be exercised through the year 2001. The pumps shall be built per data sheet and specification requirements. They shall be fitted with standard connections. Metric threaded connections are not acceptable. The pumps will be used for quench brine containing HCI, HF, H|2|CO|3|, NaCI, NaF, Na|2|CO|3|, Na|2|SO|4|, NaHSO|4|, NaHSO|3|, Na|3|PO|4|, Na|2|HPO|4|, NaH|2|PO|4|, NaNO|3|, H|2|O. Hydrochloric acid is present in trace quantities at all times in the stream. During normal operation, the pH ranges from 5.5 to 8, which, in the worst case of pH=5.5, results in a maximum HCI concentration of 10|-5.5| molar (about 10|-5|% by weight). The rated flow is in the range of 585 to 685 gpm @ 297 to 329 feet TDH, 173 degree farenheit. The NPSH|A| is 15 ft. The material selection and motor selection are per manufacturer's standard. ANSI pumps that will meet the above service conditions shall be specified. Seal-less pumps are not acceptable. DURCO pump MARK III (Rev.Vane), pump size 2K4X3-10, Curve # 7900DV and 2K4X3-82, Curve # M38370AV, Dean pump type pH340, 3inchx4inchx131/2 inch, pump Curve ph30135-B1 or equivalent are suitable for the above service conditions. Delivery to the current sites will be required by June 1999. This procurement is unrestricted with regard to business size. Evidence of shop capacity and capability to perform projects of this size, type, and complexity, on schedule, will be required. This solicitation will be issued approximately 02 November 1998 and RFP closing will be approximately 30 days thereafter. A copy of this solicitation will be forwarded to all responsible sources upon receipt of a written request. No verbal requests will be considered. Please include your express delivery address and mail address, if they are different, point of contact, telephone and fax numbers, and business size classification. Requests should be addressed to Bechtel National, Inc., Attn: Rose L. Hoffman, P.O. Box 193965 -- m/s 45/8/C43, San Francisco, CA 94119-3965. Facsimile number (415) 768-4899. Posted 10/06/98 (M-SN259409). (0279)

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