***** This is a REQUEST FOR INTEREST ONLY! This request does not constitute a request for proposal, request for quote, or invitation for bid. The intent of this request is to identify potential offerors for market research purposes only. *****

Request for Information (RFI)

Savannah River Nuclear Solutions, LLC (SRNS), which manages and operates portions of the Savannah River Site (SRS) under a Department of Energy (DOE) prime contract, seeks information from parties capable of providing a turbomolecular pump to be used within a glovebox the Tritium Extraction Facility with an associated controller. This RFI is issued to assist with finding potential suppliers interested in this solicitation. ­­­­

The SRS complex is located approximately 15 miles south of Aiken, South Carolina and is 310 contiguous square miles.

Note:  On 2/25/25, updated the response date from 2/25/25 to 3/4/25.

Scope Summary: Provide materials, services and expertise for design, fabrication, inspection, testing, documentation, delivery, installation support, and technical services for two (2) turbomolecular pumps and associated controllers. As a frame of reference, the facility is currently using a Pfeiffer TMU 400MPH turbomolecular pump with an external Pfeiffer TCM 1601 controller.

Requirements:

1. The inlet connection of the turbomolecular pump shall be DN 160 CF Flange.
2. The outlet connection of the turbomolecular pump shall be DN 25 ISO-KF.
3. The pumping speed shall be as follows:

            a.  Hydrogen 280 L/S

            b.  Nitrogen 400 L/S

            c.  Helium 350 L/S

   4. The turbomolecular pump shall have an ultimate pressure as close to 1E-8 MBAR as possible.

     5.  The turbomolecular pump shall be water-cooled.

     6.  The turbomolecular pump shall not contain hydrocarbons or plastics.

     7.  The turbomolecular pump shall be of all metal construction.

     8.  The on/off control shall be performed external to the pump.

     9.  The bearings on the pump shall be Maglev Bearings.

    10.  The pump shall be capable of running in a radiation environment.

    11.  The controller shall be externally mounted.

A supplier's response to the RFI does not guarantee they will be selected to participate in the RFP.

Suppliers responding to this RFI shall include evidence of the following:

1. Manufacturer Specification sheet
2. Standard Lead Time for Delivery
3. Budgetary Estimated Cost

E-mail response addressing Items 1 through 3 above in attachments (pdf format), shall be submitted by 5:00 p.m. est. on 3/4/25 to Barbara McCarty at barbara.mccarty@srs.gov.