National Institute of Standards & Technology, Acquisition & Assistance Division, Bldg. 301, Rm. B117, Gaithersburg, MD

66 -- NON-MAGNETIC, WATER JACKETED VACUUM SYSTEM SOL 52SBNB6C9120 DUE 053196 POC David Merrell (301) 975-6308/ Pauline Mallgrave, Contracting Officer (301) 975-6330 National Institute of Standards and Technology (NIST) intends to procure the services of a Contractor to design and fabricate a non-magnetic, water jacketed vacuum system for use in its next generation System International(SI) Watt experiment. Primary components will be non-magnetic, non-conducting materials. Two vacuum chambers will be connected, assembled around the existing Watt apparatus. The upper chamber will contain the existing balance, balance wheel, spider auxiliary drive coil, auxiliary magnet & mass. An existing 9-ft cryostat(Dewar) must be placed inside a donut shaped lower chamber, connected to the upper chamber by 3 evacuated tubes. Allowance must be made for small angle changes between each vacuum chamber. The Government anticipates award of a firm-fixed price contract, FOB destination, Gaithersburg, MD; with delivery required within 180 calendar days from date of contract award. Requests for the solicitation shall be in writing, and mailed to the above address. All responsible sources may submit an offer which shall be considered by the agency. See Note 26. (0123)

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