# Expression of Interest - Fabrication of a Pretreated Waste Storage Tank (PWST)

Canonical: https://abierto.us/opportunities/expressionofinterestfabricationofapretreatedwastestoragetankpwst

- Solicitation number: Expression_of_Interest-Fabrication_of_a_Pretreated_Waste_Storage_Tank_(PWST)
- Notice type: Sources sought
- Status: Closed. Deadline was March 9, 2026 at 7:00 PM EDT
- Department: Department of Energy
- Contracting office: Hanford Tank Waste Operations & Closure LLC - DOE Contractor (899091)
- NAICS: 332999 All Other Miscellaneous Fabricated Metal Product Manufacturing
- Place of performance: Richland, Washington
- County: Benton County (FIPS 53005). https://abierto.us/counties/benton-county-wa-53005
- City: Richland. https://abierto.us/cities/richland-wa-5358235
- First posted: January 21, 2026
- Last posted: January 21, 2026
- SAM.gov: https://sam.gov/workspace/contract/opp/4860e3f2fdf6492387eab3c3359bace5/view

## Description

Hanford Tank Waste Operations & Closure LLC (H2C), a prime contractor to the U.S. Department of Energy (DOE), Hanford Field Office (HFO) at the Hanford Site is conducting the final design for the 200 West Area Tank Farms Risk Management (WARM) project. This project will address the need for long-term cesium removal capability in support of the mission to remove tank waste supernate from the Double-Shell Tank system to provide space for Single-Shell Tank waste retrievals.

This Expression of Interest (EOI) is a means of conducting market research to identify parties having an interest in and the resources to perform fabrication services for a hazardous/dangerous waste storage tank for the WARM Project in support of the Integrated Tank Disposition Contractor’s (ITDC) mission. The WARM project is a capital asset project subject to the Critical Decision process of DOE O 413.3B

## Publications

- January 21, 2026: Sources sought, due March 9, 2026 at 7:00 PM EDT. Notice 4860e3f2fdf6492387eab3c3359bace5. https://sam.gov/workspace/contract/opp/4860e3f2fdf6492387eab3c3359bace5/view

## Points of contact

- Karen Fuentes, karen_l_fuentes@rl.gov, 5093723909

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Source: SAM.gov Contract Opportunities bulk extract. Confirm deadlines on SAM.gov before responding. Cite https://abierto.us/opportunities/expressionofinterestfabricationofapretreatedwastestoragetankpwst.