# Closed-cycle optical cryostat Canonical: https://abierto.us/opportunities/slac357234cryostat - Solicitation number: SLAC_357234_Cryostat - Notice type: Solicitation - Status: Closed. Deadline was June 27, 2025 at 8:00 PM EDT - Department: Department of Energy - Contracting office: SLAC Natl Accel Lab -DOE Contractor (899040) - NAICS: 3333 Commercial and Service Industry Machinery Manufacturing - Product or service code: AJ12 General Science And Technology R&D Services; General Science And Technology; Applied Research - Place of performance: Menlo Park, California - County: San Mateo County (FIPS 06081). https://abierto.us/counties/san-mateo-county-ca-06081 - City: Menlo Park. https://abierto.us/cities/menlo-park-ca-0646870 - First posted: June 12, 2025 - Last posted: June 17, 2025 - SAM.gov: https://sam.gov/workspace/contract/opp/ee05e566b90e45cda2ba7971a5e100b1/view ## Description SLAC National Accelerator Laboratory is operated by Stanford University for the Department of Energy. As a management and operating contractor, subcontracts awarded by the Laboratory are not Federal procurements, and are not directly subject to the Federal Acquisition Regulations in 48 CFR. Nonetheless, certain Federal laws, Executive Orders, and regulations may affect our DOE approved purchasing system, as required by statute, regulation, or contract terms and conditions. AMENDMENT 01 HI, The following Addendum is being issued for the subject Request for Quotation: **357234 Cryostat MODIFICATION TO TECHNICAL EVALUATION CRITERIA:** **FROM Pressure:** <10^-8 torr at <5K TO <10^-6 torr at <5K This Addendum modifies the Request for Quotation and must be acknowledged. Failure to acknowledge all addenda could make your proposal non-responsive. Please confirm that the submitted proposal is not changed because of this addendum. If proposal sent is revised because of this, please submit the revised proposal. The following changes are hereby made to the appropriate documents contained the above-mentioned Request for Quotation (RFQ). All other terms and conditions of the RFQ remain the same. Thank you very much. Katherine Jill A. Coh SCM Commodities Team Lead SLAC National Accelerator Laboratory 2575 Sand Hill Road Menlo Park, CA 94025 Tel: **650-926-2770 Email:** kcoh@slac.stanford.edu Required item(s) listed below: 1.) Closed-cycle optical cryostat = Qty 1 Technical evaluation criteria as follows: **Temperature:** < 5K - Cooling power at <5K: >100mW - Vibrations: <10nm - Fused-silica windows: >3 - Electrical feedthroughs: >3 including DC - Pressure: <10^-8 torr at <5K - Positioner travel range: 3 axes >3mm - Positioner resolution: 3 axes <200nm - Turbopump and installation included - Delivery requirement: delivered before September 30, 2025 Source selection will be based on Lowest Priced Technically Acceptable Method. Please provide a price and lead time quotation by COB June 27, 2025. Send quote to kcoh@SLAC.stanford.edu. Please be advised that the requirement was also posted in SAM.gov. Is there any room for additional discount such as for Academic, ICPT, GSA, or Government Institutions? Buy American Act Certification (BAA) applies to awards over $10,000. Representations & Certifications Rider is required. Once completed the Reps and Certs is valid for one year until renewal. If you have already completed one within the year please disregard. Otherwise, please complete and return. All subcontractors are required to register in the System for Award Management (www.sam.gov). If possible, please provide a link to your webpage for published price list to substantiate for the prices quoted. The resulting purchase order will be issued on a fixed price basis. SLAC National Accelerator Laboratory Terms and Conditions for Fixed Price Commercial Supplies and Services (Rev. August 2023) and Onsite Terms and Conditions for Green March 2021 will be made a part of the resulting order. Please mark up terms and conditions if you wish to negotiate. No mark ups mean that you accept SLAC Terms and Conditions. Kindly please provide Certificate of Insurance and the IIPP form filled out for onsite installation. Payment Terms will be NET-30 Freight terms will be FOB Destination Prepaid and Add You are requested to mark and identify proprietary/confidential information provided in response to the solicitation. SLAC Entry Real ID May 2025 MEMO is attached and applies to this procurement. Contact me directly with any questions. Sincerely, Katherine Jill A. Coh Procurement Commodities Team Lead SLAC National Accelerator Laboratory 2575 Sand Hill Road Menlo Park, CA 94025 Phone: **650-926-2770 Email:** kcoh@slac.stanford.edu ## Publications - June 12, 2025: Solicitation, due June 27, 2025 at 8:00 PM EDT. Notice 7851bcfcdc344afba5240eafbda0fffe. https://sam.gov/workspace/contract/opp/7851bcfcdc344afba5240eafbda0fffe/view - June 17, 2025: Solicitation, due June 27, 2025 at 8:00 PM EDT. Notice ee05e566b90e45cda2ba7971a5e100b1. https://sam.gov/workspace/contract/opp/ee05e566b90e45cda2ba7971a5e100b1/view ## Points of contact - Katherine Jill A. Coh, kcoh@slac.stanford.edu, 6509262770 --- Source: SAM.gov Contract Opportunities bulk extract. Confirm deadlines on SAM.gov before responding. Cite https://abierto.us/opportunities/slac357234cryostat.