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 01 is being issued for the subject Request for Quotation: 346326 cryostat

Answers to Questions:

1. The specs call for a low-vibration cryostat. What will be the acceptable level of maximum peak-to-peak vibrations at the sample stage (in nm)?

Within 100 nm

2.) The specs call for “precise temperature control at different cooling stages”. Our standard practice is to offer precise temperature control at the sample stage. Would this be enough or is there anything else needed?

With the ability to live monitor the temperature.

1. Does the sample stage (and the cryostat) need to be bakeable before cooling down?

I don’t understand what this means exactly but the answer is potentially yes. We will attach sample directly to the cold head at the beginning. Then, we may use a copper braid to connect from the cold head to sample stage.

1. What is the size of the required UHV interface?

6-8 inches in diameter CF interface.

*5.) Is there any limitation on the cryostat (and accessories) size and/or weight?

Not too bulky and can integrate next to a laser optical table.

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: [email protected]

Required item(s) listed below:

1. Closed-cyle, low-vibrational cryostat for phase transition temperature

Technical evaluation criteria are:

1. Vibration : as low as possible
2. Temperature stability +/-1 Kelvin
3. Lowest temperature achieved of 3K
4. Consistency in performance
5. Closed-cycle
6. Precise temperature control at different cooling stages
7. Radiation shield and UHV interface

Quote is for product only; no on-site services permitted.

Source selection will be based on Lowest Priced Technically Acceptable Method.

Please provide a price and lead time quotation by COB June 6, 2024.

Send quote to [email protected].

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) 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.

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.

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: [email protected]