RFQ 471924 DUNE VD Warm Bias SHV Cables

Brookhaven Science Associates, LLC, operator of Brookhaven National Laboratory on behalf of the U.S. Department of Energy, seeks quotes for Safe High Voltage (SHV) cable assemblies and replacement connectors for the DUNE (Deep Underground Neutrino Experiment) vertical drift far detector, with proposals due September 30, 2026 at 3:00 PM ET.

Place of performance is Upton, New York. The procurement requires delivery of 610 total SHV cables in four lengths (170 units of 14 meters, 120 of 18 meters, 180 of 26 meters, and 140 of 30 meters), plus 10 crimp-type 5kV SHV plug connectors for RG58 cable and 20 crimp ferrules. Each cable assembly must include two crimp-type 5kV SHV straight plugs at both ends, UL 3871 certification, and pass Hi-Pot tests at 10kV-DC with no breakdown in one minute and leakage current below 0.5 nanoamperes per meter. Offerors must demonstrate a minimum of 10 years of documented experience assembling high voltage cables rated at least 10kVdc, supported by reference documentation, and must submit detailed Quality Control procedures with pass/fail criteria specific to the underground cavern environment where cables will operate for over 20 years. The contractor must perform Pull and Break tests on a minimum of two randomly selected cables from each part number and provide certificates of conformance. An ISO 9001 quality system is required per BNL-QA-101. Contract type is firm fixed price with period of performance of contract award plus six months. Pricing shall be quoted in U.S. dollars FOB Destination with freight, import duties, and customs costs included; payment terms are Net 30 for large businesses or Net 10 for small businesses. NAICS code is 335929, Other Communication and Energy Wire Manufacturing, with size standard of 1,000 employees. All domestic offerors must be registered in SAM; foreign offerors may submit AMS Form 050 instead. Large businesses expecting offers exceeding $900,000 must submit a Small Business Subcontracting Plan with BSA goals of 50% small business, 5% small disadvantaged business, 5% women-owned business, 3% HUBZone, 3% veteran-owned business, and 3% service-disabled veteran-owned business. Award goes to the lowest-priced responsive and responsible offeror meeting all technical requirements. Questions and answers were updated September 25, 2026; a Q&A document clarifies that all necessary information for quoting is contained in the Statement of Work within the solicitation.