Collimator Vacuum Chambers

SLAC National Accelerator Laboratory, operated by Stanford University for the Department of Energy's Office of Science, is soliciting proposals for the fabrication and production of LCLS-II-HE Collimator Vacuum Chambers. The procurement requires the design and manufacture of four different types of ultra-high vacuum chambers, with offerors required to demonstrate a minimum of five years' experience manufacturing precision ultra-high vacuum components, maintain a Dun & Bradstreet SER score of 6 or lower, and comply with all SLAC General Terms and Conditions for Fixed Price Commercial Supplies and Services. Proposals will be evaluated using the Lowest Price Technically Acceptable (LPTA) methodology, with technical factors addressing specification compliance, fabrication capability, quality control procedures, packaging and shipping, past performance, and delivery schedule achievement, while business factors include financial standing, compliance with SLAC terms, and pricing. The deadline for submitting clarification requests was March 17, 2026, and the proposal submission deadline was originally March 24, 2026, but has been extended to April 1, 2026, at 5:00 PM PDT via Amendment No. 01. All proposals must remain valid for 90 days following submission and be directed to Angela Garcia, the Subcontract Administrator, at angelag@slac.stanford.edu.

This solicitation carries no set-aside designation, and the specific award value or budget range is not disclosed in the solicitation notice. The basic requirement consists of one PC1L1 Vacuum Chamber, one PC1L0 Vacuum Chamber, four units of 6.0CF collimator chambers, and two units of 4.5CF collimator chambers, with five optional line items available for additional batches of 6.0CF chambers for various beamlines with quantities ranging from one to nine units per option. All chambers must be delivered within 20 weeks after contract award and include nitrogen backfilling, UHV cleaning, vacuum baking at 250°C for 48 hours minimum, and residual gas analysis testing at 150°C to meet SLAC vacuum policy requirements. The subcontract is firm fixed price with Net 30 payment terms. Performance of work will take place in Menlo Park, California 94025, where SLAC National Accelerator Laboratory is located.