HB4 Shutter Insert

Oak Ridge National Laboratory (ORNL), under the Department of Energy, is seeking qualified contractors to design, fabricate, and deliver a rotary shutter insert for the High Flux Isotope Reactor (HFIR) through a Firm Fixed Price subcontract. The contractor must demonstrate comprehensive understanding of the Statement of Work and technical drawings, develop a detailed fabrication plan with schedule, and identify key personnel and subcontractors. ORNL will evaluate proposals using five factors in descending order of importance: Manufacturing/Fabrication Plan and Schedule, Technical and Project Management Capabilities, Company Experience/Past Performance, QA Program, and Cost/Price. Offerors must have completed at least one similar project within the last five years and may be subject to on-site quality assurance inspections. The proposal submission deadline is November 14, 2025, with the anticipated period of performance beginning December 1, 2025.

This solicitation carries no small business set-aside designation and is classified under NAICS code 332710 (Machine Shops) and PSC 3408 (Machining Centers and Way-Type Machines). The HB4 Shutter Insert is a multi-channel neutron guide component designed primarily from aluminum with super-mirror coating specifications (m=3.0 reflectivity) and must meet precise dimensional tolerances for operation within a high radiation environment. The component must support a 20-year operational lifetime and fit within the HB-4 Shutter without external protrusion. Work will be performed at Oak Ridge, Tennessee, with all payments made via electronic funds transfer in U.S. dollars under Net 30 terms for large businesses or Net 15 for small businesses. No incumbent contractor information or specific award value is disclosed in the solicitation materials.