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Sources sought

DUNE "Warm Structure" Steel Fabrication

BZ-2025-14

Department of Energy, Berkeley Natl Lab - DOE Contractor. Machine Shops.

35 open like this View on SAM.gov Markdown

Response deadline

October 8, 2025 at 6:00 PM EDT

Closed 389 days ago. Posted August 28, 2025. Scheduled to archive October 23, 2025.

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This one closed in 2025

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All 35 open in machine shops

Description

As published on SAM.gov.

Lawrence Berkeley National Laboratory is conducting market research to identify sources that possess the capabilities and experience necessary to fabricate a steel “Warm Structure” to meet AISC 360 Specification for Structural Steel Buildings in support of the DUNE-ND project. A key component of DUNE-ND is a particle detector housed inside of an insulated cryogenic tank or cryostat. The cryostat is filled with liquid argon and uses a membrane construction. The exterior steel frame, referred to as the “Warm Structure,” is the subject of this Request for Information. Please see the attached RFI document and technical drawings for more details and response instructions.

Publications

Every notice SAM.gov issued under this solicitation number, oldest first. Each is a separate record on SAM.

  1. August 28, 2025

    Sources sought

    Due October 8, 2025 at 6:00 PM EDT. SAM.gov, notice 5176fcd576bf447e811e1ebc31188df7

Points of contact