ATR Loop Pressurizer Fabrication

Battelle Energy Alliance, LLC, the management and operating contractor for the U.S. Department of Energy’s Idaho National Laboratory, is seeking expressions of interest from vendors capable of fabricating, inspecting, testing, and delivering one ASME Section VIII, Division 2 stainless steel pressurizer vessel for an Advanced Test Reactor experiment loop.

United States of America > ENERGY, DEPARTMENT OF > BATTELLE ENERGY ALLIANCE-DOE CNTR


General
Open (active)
INL-27-001
Nov 07, 2026 06:59 AM
Oct 26, 2026 04:00 PM
Sources Sought
Federal
Ask AI about this solicitation
Original Solicitation Links
Contact
chase.egbert@inl.gov
Idaho Falls, ID, USA
Submission Instructions
Email
Description

Battelle Energy Alliance, LLC, the management and operating contractor for Idaho National Laboratory, is seeking expressions of interest from qualified vendors for the fabrication of one ASME Section VIII, Division 2 stainless steel pressurizer vessel and associated components. The scope includes supplying materials; fabricating the vessel, mounting legs, spray nozzles, and lifting lugs; developing shop drawings; performing inspections and hydrostatic and lifting-lug tests; and preparing the vessel for horizontal, forklift-compatible shipment. The vessel must meet specified nuclear-quality, material, welding, surface-finish, cleanliness, and documentation requirements, including an ASME “U” stamp and a quality program equivalent to ASME NQA-1.

Classification Codes
NAICS332410Power Boiler and Heat Exchanger Manufacturing
PSCH244Equipment and Materials Testing: Furnace, Steam Plant, and Drying Equipment; and Nuclear Reactors
Smart Codes
pressure vessel fabricationpressure vessel hydrostatic testingnuclear-grade welding inspection
Specifications
Supply & Service
Yes
Timeline
Nov 07, 2026 06:59 AM-Expression of Interest Submission Deadline
Requirements
Informational
Documents
TitleDate Posted
ATR Pressurizer Fabrication EOI Final.pdfOct 26, 2026 12:00 PM
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