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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 02: The following Addendum is being issued for the subject RFP_368560_Fabrication_SamPost Drawing File Updated. Added missing file DSG-000102478. Proposal submission date has been updated to COB 10/23/2026 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 containing the above-mentioned Request for Quotation (RFQ). All other terms and conditions of the RFQ remain the same. ------------------------------------------------------ Thank you, Marissa Tanomrat Procurement Commodities Team SLAC National Accelerator Laboratory 2575 Sand Hill Road Menlo Park, CA 94025 Email: marissat@slac.stanford.edu The following Addendum is being issued for the subject RFP_368560_Fabrication_SamPost Drawing File Updated. Added missing file for DSG-000110672. 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 containing the above-mentioned Request for Quotation (RFQ). All other terms and conditions of the RFQ remain the same. Kind regards, Marissa Tanomrat Procurement Commodities Team SLAC National Accelerator Laboratory 2575 Sand Hill Road Menlo Park, CA 94025 Email: marissat@slac.stanford.edu Please review the listed requirements and provide your best and final offer for both price and lead-time. The follow has been attached for you to complete and review: Representations & Certifications Rider Confirm Attached SLAC terms are accepted: FP Commercial Supplies-Services T&Cs (August 2023) Confirm Attached SLAC terms are accepted: SLAC General Terms and Conditions Supplemental Rider (Rev. August 2026) Quote#7775 Required item(s) listed below: DSG-000110672 QTY: 1 DSG-000102297 Clamp Diamond Ring QTY: 8 DSG-000102297 Clamp Diamond Ring QTY: 10 Total - DSG-000102297 (18) DSG-000103435 Tube, Collim Lid QTY: 20 DSG-000103435 Tube, Collim Lid QTY: 16 DSG-000103435 Tube, Collim Lid QTY: 2 Total - DSG-000103435 (38) DSG-000103585 Plate, Identifying Collim QTY: 10 DSG-000103585 Plate, Identifying Collim QTY: 6 DSG-000103585 Plate, Identifying Collim QTY: 1 Total - DSG-000103585 (17) DSG-000103609 Mt, Collimator QTY: 10 DSG-000103609 Mt, Collimator QTY: 8 DSG-000103609 Mt, Collimator QTY: 1 Total - DSG-000103609 (19) DSG-000105043 Base, HE Light Tight 5mm QTY: 6 DSG-000105043 Base, HE Light Tight 5mm QTY: 4 Total - DSG-000105043 (10) DSG-000106241 Base, HE Light Tight 10mm QTY: 4 DSG-000106241 Base, HE Light Tight 10mm QTY: 1 DSG-000106241 Base, HE Light Tight 10mm QTY: 1 Total - DSG-000106241 (6) DSG-000106252 Base, HE Light Tight 15mm QTY: 1 DSG-000106252 Base, HE Light Tight 15mm QTY: 1 Total - DSG-000106252 (2) DSG-000106275 Base, HE Light Tight 20mm QTY: 2 DSG-000106275 Base, HE light Tight 20mm QTY: 2 Total - DSG-000106275 (4) DSG-000055232 HE YAG Retainer QTY: 40 DSG-000055232 HE YAG Retainer QTY: 32 DSG-000055232 HE YAG Retainer QTY: 4 Total – DSG-000055232 (76) DSG-000098971 Base, HE Light Tight 3mm QTY: 1 DSG-000098971 Base, HE Light Tight 3mm QTY: 1 Total - DSG-000098971 (2) PF-375-108-45 Diode Block QTY: 20 PF-375-108-45 Diode Block QTY: 16 PF-375-108-45 Diode Block QTY: 2 Total - PF-375-108-45 (38) Quote is for product only; no on-site services permitted. Source selection will be based on Lowest Price and Technically Acceptable Method (LPTA). Technical evaluation criteria are as follows: This is a UHV (Ultra-High Vacuum) component. As such, the following restrictions apply: EDM machining is NOT allowed without prior approval by SLAC The use of sanding discs, grinding wheels or abrasives is prohibited The use of sulfur-containing cutting fluids and silicone lubricants is prohibited All parts must be cleaned before welding Provide dimensional inspection reports. UHV machining: No EDM without prior SLAC approval. No sanding discs, grinding wheels or abrasives. No sulfur-containing cutting fluids or silicone lubricants. DSG-000055232 - Disregard note 2, part will be cleaned at SLAC. Requires electropolish: DSG-000098971, DSG-000106241, DSG-000106252, DSG-000106275 PF-375-108-45 - Disregard note 3, part will be cleaned at SLAC. REF-000376156 (DSG-000102297) Do not install helicoils. Please provide a price and lead time quotation by COB 10/20/2026. Please be advised that the requirement was also posted on SAM.gov. Send quote to marissat@SLAC.stanford.edu. Is there any room for additional discount such as for Academic, ICPT, GSA, or Government Institutions? If possible, please provide a link to your webpage for published price list to substantiate for the prices quoted. Buy American Act Certification (BAA) applies to items that have a unit price that is over $15,000. 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. Please include in your proposals the Harmonized Tariff Schedule (HTS Code) & ECCN if applicable. All subcontractors are required to register in the System for Award Management (www.sam.gov). 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 SLAC General Terms and Conditions Supplemental Rider (Rev. August 2026) will be made a part of the resulting order. Payment Terms will be NET-30 (SLAC is unable to do advance payments and or Prepayments). Freight terms will be FOB Destination Prepaid and Add Foreign Vendors Shipments will be made CIP SLAC, Menlo Park, and Duty Unpaid. You are requested to mark and identify proprietary/confidential information provided in response to the solicitation. Contact me directly with any questions. Kind regards, Marissa Tanomrat Procurement Commodities Team SLAC National Accelerator Laboratory 2575 Sand Hill Road Menlo Park, CA 94025 Email: marissat@slac.stanford.edu

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