Request for Proposal Neptune Cask Interface System

Closed — responses were due 12 Nov 2026 · Unrestricted (full and open) · Department of Energy (DOE) · Oak Ridge, TN · NAICS 332999 · Solicitation PR507071

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What happened next

This solicitation has closed — responses were due 12 November 2026.

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Solicitation details

Solicitation number	PR507071
Notice ID	784b42d5fdd343d3866f2e2ef4c6dee4
Agency	Department of Energy (DOE)
Contracting office	ORNL UT-BATTELLE LLC-DOE CONTRACTOR
NAICS code	332999 — All Other Miscellaneous Fabricated Metal Product Manufacturing
Product / service code (PSC)	3695
Set-aside	Unrestricted (full and open)
Notice type	Solicitation
Posted	06 November 2026
Response deadline	12 November 2026 (closed)
Place of performance	Oak Ridge, TN, USA
Competition	Competitive

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Description

Request for Proposal RFP PR507071 is for the fabrication and delivery of the proof of concept "Neptune" Cask Interface Facility. This has an ISO9001 requirement.

Version history

SAM.gov has posted 3 notices under solicitation PR507071, oldest first.

13 October 2026 — Solicitation
15 October 2026 — Solicitation
06 November 2026 — Solicitation (this page)

Documents in the solicitation package

11 files are attached to this notice.

Attachment I RFP PR507071 Neptune Questions and Answers.pdf
RFP PR507071 Neptune - Amendment 02.pdf
RFP PR507071 Neptune Amendment 01.pdf
RFP PR507071 Neptune.pdf
Attachment H Draft FFP Subcontract PR507071.pdf
Attachment F Reps-and-Certs-Abbreviated-2026.03.09.pdf
Attachment E Milestone Payment Clause.pdf
Attachment D Prime-Flowdown-Clauses-BSD-CS-2258-09.30.2026.pdf
Attachment C Terms-Conditions-Fixed-Price-BSD-CS-2150-09.30.2026-1.pdf
Attachment B Quality Assurance Special Provisions.pdf
Attachment A MHC-DS-SPEC-005-R0.pdf

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Market context: DOE and NAICS 332999

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In fiscal year 2026, DOE obligated $236K across 5 contract actions under NAICS 332999.
2 contracts worth $50.5M in this category end within the next 18 months.

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