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The ENERGY, DEPARTMENT OF has issued a Tender notice for the procurement of a Sr1 Freedom Reactor Radiation Shielding Designbuild in the USA. This Tender notice was published on 14 Sep 2026 and is scheduled to close on 24 Sep 2026, with an estimated Tender value of Refer Document. Interested bidders can access detailed Tender information, eligibility criteria, and complete bidding documents by referencing TOT Ref No. 149133309, while the tender notice number is INL-26-053 and Registering on the platform.
Procurement Summary
Country: USA
Summary: Sr1 Freedom Reactor Radiation Shielding Designbuild
Deadline: 24 Sep 2026
Posting Date: 14 Sep 2026
Other Information
Notice Type: Tender
TOT Ref.No.: 149133309
Document Ref. No.: INL-26-053
Competition: ICB
Financier: Self Financed
Purchaser Ownership: Public
Tender Value: Refer Document
Purchaser's Detail
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Email: Login to see tender_detailsLogin to see details Tender Details I. Introduction Documents
Battelle Energy Alliance, LLC (BEA), Management & Operating Contractor of the U.S. Department of Energy (DOE) owned Idaho National Laboratory (INL). BEA is collaborating with the National Aeronautics and Space Administration (NASA) to develop the SR-1 Freedom interplanetary spacecraft. BEA is seeking an Expression of Interest (EOI) from prospective offerors to support design/build of the SR-1 Freedom Reactor Radiation Shielding system (RRS).
II. PROCESS
BEA is seeking qualified firms to compete for the design/build contract in support of the BEA/NASA SR-1 Freedom RRS system. As determined by BEA, responders to this EOI may receive a Request for Proposal (RFP) that will require detailed technical and price proposals be provided for evaluation and ranking under a source selection process.
Interested firms are advised that RFP release is anticipated late September/early October 2026 and the source selection/award decision is anticipated in October 2026. The contract award type will be firm-fixed price. The design/build contract will be awarded in progressive phases as the firms demonstrate the ability and competency to successfully plan, design, and fabricate the RRS. BEA may initially award multiple Design/Build contracts to various firms though the Design phase to make a final determination of which firm will continue with the fabrication. Completion of this project must be no later than July 2027.
III. PROJECT DESCRIPTION
The RRS will be designed and fabricated for the SR-1 Nuclear Power Module (NPM) SR-1 Freedom which will be built at the Materials and Fuels Complex (MFC) at the INL. MFC is located approximately 33 miles west of Idaho Falls, Idaho. The RRS system will provide radiation shielding for various components of the spacecraft from the nuclear reactor neutron and gamma photon radiation. The composite weight of the RRS will need to be less than 1200 kg and interface with face four separate NPM systems:
The reactor stru...
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