DUNE "Warm Structure" Steel Fabrication BZ-2025-14
Summary
AI-generated · Aug 29, 2025Identify vendors with the capability to fabricate a steel Warm Structure that complies with the AISC 360 Structural Steel Buildings standard for the DUNE-ND project. The Warm Structure is the exterior steel frame of an insulated cryogenic tank (cryostat) that houses a liquid argon–based particle detector using a membrane construction and must integrate with the cryostat system.
Review the attached RFI document and technical drawings for detailed requirements and submission instructions. This is a sources-sought market survey to assess capabilities; responses should demonstrate relevant fabrication experience, ability to meet the AISC 360 requirement, and any applicable certifications as specified in the RFI.
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.
From Sources Sought posted on Aug 28, 2025Notice history
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