LBNF/DUNE-US Cryostat Temporary Ventilation RFP-LBNF-372089-BF-01
Summary
AI-generated · Apr 01, 2026Procure an air handling unit built from shipping splits to provide temporary ventilation during the installation of cryostat membrane, insulation, and detector components. The unit will supply conditioned air to the cryostat and circulate air through large roof feedthroughs.
Connections to the cryostat use non-conductive duct material with custom duct adapters supplied by FFDG, and the system must be electrically wired to a power panel provided by FFDG. The contractor will procure all materials, fabricate, assemble, test, package, deliver, and install the complete ventilation system for the LBNF/DUNE-US Far Detector and Cryogenics subproject at SURF, located at the 4850 level underground in Lead, SD.
The general purpose of this Subcontract is the acquisition of an air handling unit constructed of shipping splits, which is required during the installation of cryostat membrane, insulation, and detector components. The system will feed conditioned air to the cryostat and circulate air using large feedthroughs in the roof of the cryostat. The air handling equipment will connect to the cryostat via non-conductive duct material to custom duct adapters as provided by FFDG. The air handling equipment shall be electrically connected in conduit to the designated power panel, which is provided by FFDG. The scope encompasses an air handling system, specifying the total air flow into the cryostats. This includes ducting (flexible or fixed) connecting the air handling equipment to the cryostat input ports. The vendor will procure all materials, fabricate, assemble, test, package, deliver, and install the completed product for the Long Baseline Neutrino Facility (LBNF) Deep Underground Neutrino Experiment (DUNE), Far Detector and Cryogenics (FDC) subproject, located at the 4850 level underground at the Sanford Underground Research Facility (SURF) in Lead, SD.
From Solicitation posted on Mar 31, 2026Notice history
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Solicitation LATEST Posted Mar 31, 2026
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