# SAM #PR507071

Fabrication and delivery of the Neptune Cask Interface Assembly and test stand

**Buyer:** UT-Battelle
**Posted:** October 13, 2026
**Respond By:** November 12, 2026
**Identifier:** PR507071
**NAICS:** 332999, 332420, 332710

The U.S. Department of Energy’s Oak Ridge National Laboratory is seeking a proof-of-concept Neptune Cask Interface Assembly and related fabrication, testing, and delivery work.
- Government buyer: U.S. Department of Energy (DOE), Oak Ridge National Laboratory (ORNL), managed by UT-Battelle, LLC; the solicitation identifies ORNL Procurement and Rachel Botes.
- Procurement: Request for Proposal for a Neptune Cask Interface Facility, including a proof-of-concept Cask Interface Assembly variation. The latest notice adds “RFP PR507071 Neptune Amendment 01.”
- Requested items:
  - One Cask Interface Assembly, part number MMHC1CAVE20-ASSY, built to drawing MMHC1CAVE20-ASSY-R0.
  - One assembly variation under specification MMHC-DS-SPEC-005-R0; quantity is not specified. The work includes a build-to-print subassembly and a test stand for component MMHC1CAVE20-P001.
  - A self-supporting test stand is required; its supported component must be positioned 37-1/8 inches above the base or floor.
- Assembly components include a mounting plate and gasket, support tabs, sphincter seal, two pneumatic drives, bellows, solenoid valve, tubing, fittings, flow controls, junction box, fasteners, and associated hardware.
- Scope includes design modifications, fabrication, assembly, shop acceptance testing, packaging, shipping, and delivery. The seller must provide design and as-built documentation, a bill of materials, manuals, and testing records; proposed design changes require ORNL approval.
- Notable requirements: ISO 9001; QL-4 quality classification for newly designed safety-related structures, systems, and components; and delivery timing to be proposed in the seller’s project schedule.
- No product manufacturer or commercial supplier is named in the provided materials. UT-Battelle, LLC is identified as ORNL’s managing organization, not as an OEM for the requested equipment.

### Description

<p>Request for Proposal RFP PR507071 is for the fabrication and delivery of the proof of concept &quot;Neptune&quot; Cask Interface Facility. This has an ISO9001 requirement.&nbsp;</p>

[View original listing](https://sam.gov/opp/6aaa06c33a0c4fd39cf9939da621ddc8/view)