National Institute of Standards & Technology, Acquisition & Assistance Div.,100 Bureau Drive Stop 3572, Bldg. 301, Rm B117, Gaithersburg, MD 20899-3572

66 -- VACUUM CHAMBER SOL 53SBNB967064 DUE 042699 POC Joan Smith, Contracting Officer, Tel (301) 975-6458, or Patricia Duggan, Contract Specialist, Tel (301) 975-8007, FAX (301) 963-7732, WEB: NIST Contracts Homepage, http://www.nist.gov/admin/od/contract.htm. E-MAIL: NIST Contracts Office, Contract@nist.gov. The National Institute of Standards and Technology (NIST) has a requirement for the fabrication of a vacuum chamber for the Filtered Analyzer Neutron Spectrometer (FANS) to be installed in beam tube BT-4 in the NBSR reactor. The vacuum chamber is a stepped pie shaped structure with a 103-degree arc with an outer radius of 92.71 centimeters and an inner radius of 29.21 centimeters. At these points the height of the chamber is, respectively, 41.91 centimeters and 30.16 centimeters. The entire structure is made of welded aluminum (6061-T6) 2.54 centimeters thick, except for two windows at the extreme radii whose thickness are 0.635 centimeters (outer diameter) and 0.318 centimeters (inner diameter) respectively. The vacuum structure has three openings at the top to allow cryogenic filters to be lowered in the chamber. The lids are not part of this procurement. The vessel shall operate in a vacuum, at room temperature, at an absolute pressure of 2 mtorr. The chamber will be vacuum tested before delivery toNIST. NIST will provide all specifications and detailed drawings for proper quotation and construction.. The required delivery is 8 weeks after receipt of order, FOB destination, Gaithersburg, MD. See Numbered Notes 1 and 26. The applicable Standard Industrial Classification (SIC) code is 3599 and the small business size standard is 500 employees. The solicitation number is 53SBNB967064 and is being issued as a Request for Quotation (RFQ) using Simplified Acquisition Procedures. The Government will award a fixed price purchase order resulting from this solicitation. Requests for a quotation package may be faxed to (301) 963-7732. Posted 04/20/99 (W-SN322306). (0110)

Loren Data Corp. http://www.ld.com (SYN# 0283 19990422\66-0011.SOL)