Princeton Plasma Physics Laboratory (PPPL), a National Laboratory and Federally Funded Research and Development Center (RDC) located in the vicinity of Princeton, NJ and operated by The Trustees of Princeton University, a US Department of Energy Prime Contractor wishes to notify all interested and capable firms of designing, manufacturing, and installing heat exchangers. PPPL is soliciting proposals from qualified suppliers to provide all materials and labor necessary to replace the heat exchangers for our liquid rheostat systems. Specific requirements for these services can be found in the Statement of Work "Heat Exchanger Drop-in Replacement Technical Requirements, D-Site MG Liquid Rheostat Systems"; NSTXU_1-5-1-1-3_SOW_115; Revision: 0; CAT: A2; Reference Work Planning No.: 3151; Dated: May 31, 2023. PPPL contemplates award of a firm fixed-price subcontract. Subcontract award, if any and at PPPL's sole discretion, will be made to the qualified and responsible Offeror submitting a proposal offering the lowest priced, technically acceptable proposal as the basis for award. The applicable NAICS code is 332410, Power Boiler and Heat Exchanger Manufacturing. To access the RFP, please download and view the attached RFP 23-044 files as a pdf to your desktop or folder. If you believe your firm is capable of providing the required services and is interested in this potential solicitation, please complete the acknowledgement form with your firm's interest and return via email to the PPPL point of contact for this notice. Please be advised that PPPL will not reimburse parties for any costs incurred in responding to this request. SUBMISSION OF QUESTIONS All Supplier questions must be submitted in writing, emailed to the contact persons: Khalif Stripling email: kstripli@pppl.gov. All questions will be combined with all other Supplier questions and all responses will be distributed to each Supplier in the form of an amendment to this RFP. Oral explanations or instructions provided a PPPL will not be binding. Any substantive information will be furnished to all prospective Suppliers via a written Amendment to the RFP if determined to be necessary to Suppliers in submitting their proposals or if the lack of such information would be prejudicial to uninformed Suppliers. The deadline for submission of questions is by 4:30 pm EST, Friday, July 28, 2023.