He-3 Dilution Refrigeration System

The National Institute of Standards and Technology seeks a helium-3 dilution refrigeration system to support radioactive sample measurement research. Offerors must provide pricing for a firm-fixed-price line item to deliver one system meeting requirements specified in Attachment 1, including a base temperature of 35 millikelvin or lower and 200 microwatts of cooling power at 100 millikelvin. Quotations will be evaluated based on technical capability, past performance, and price, with award made to the responsible offeror providing the best overall value. Quotations are due by July 19, 2021.

There is no set-aside designated. The solicitation is for a helium-3 dilution refrigerator classified under NAICS code 334516, PSC code 6515, to be delivered and installed at NIST's Gaithersburg, Maryland campus within 9 months of award. Payment will occur in three stages upon acceptance of manuals, delivery, and final testing to ensure the single unit procured meets all technical and performance requirements outlined in the solicitation documents.