Fabrication of Liquid Hydrogen Vacuum Jacketed Supply Section for Cell 7

The NASA Shared Services Center is soliciting quotes under RFQ 80NSSC26936913Q for the design, fabrication, testing, delivery, and commissioning of a vacuum-jacketed liquid hydrogen supply system for Cell 7 at the NASA Glenn Research Center. This procurement is a total small business set-aside and follows a lowest price technically acceptable award basis. The system must be designed to ASME B31.12 standards to safely transfer liquid hydrogen while maintaining cryogenic temperatures and minimizing boil-off losses. Key technical requirements include a system design pressure of 275psig, the provision of two liquid hydrogen compatible globe valves rated for -423 degrees Fahrenheit with actuators and position transmitters, and strict adherence to NEC Class I, Div 2, Group B classifications. The scope of work mandates rigorous quality assurance, including hydrostatic or pneumatic testing, a seven-day vacuum retention test, helium leak testing, and radiography of 10 percent of total welds. All components must be cleaned for oxygen and cryogenic service. Deliverables include the completed piping system along with certificates of conformance, approved drawings, and comprehensive inspection and testing reports. Quotes must be submitted with Net 30 terms, FOB Destination to Cleveland, Ohio, and must include the vendor's Cage Code, UEI number, and lead time. The solicitation has been modified to extend the response deadline to July 15, 2026, to accommodate vendor questions and technical clarifications.