Brookhaven National Laboratory, Division of Contracts and Procurement, Building 355, Upton, NY 11973

99 -- BERYLLIUM WINDOW FABRICATION. Contact: David Dale, Sr. Contracts Specialist, 516-344-3199. The National Synchrotron Light Source (NSLS) department of Brookhaven National Laboratory (BNL) currently operates a synchrotron x-ray storage ring. Ultra high machine vacuum to beam line environment separation is achieved on many of the experimental beam lines with water cooled beryllium window assemblies. Approximately 35 new beryllium windows will be required due to BNL/NSLS upgrade plans. BNL/NSLS seeks potential vendors to furnace braze beryllium foil windows and stainless steel tubing onto BNL supplied copper cooling blocks and weld conflat flanges to complete the assembly in accordance with BNL specifications. This shall be a multiyear procurement with delivery of completed assemblies commencing in September 1996. The estimated value is between $100,000 and $200,000. Specifications will be available only to fabricators who have the appropriate manufacturing equipment. Brokers are not permitted to participate on this procurement. Interested firms shall submit their request within twenty (20) days of this publication to Mr. David Dale, Brookhaven National Laboratory, Building 355, P.O. Box 5000, Upton, NY 11973-5000. Fax Number (516) 344-5499. (092)

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