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The U.S. Department of Energy (DOE) Environmental Management Consolidated Business Center has issued a Special Notice announcing its intent to award a sole source contract to Neptune and Company, Inc. The contract pertains to the West Valley Demonstration Project (WVDP) and Western New York Nuclear Service Center (WNYNSC). Neptune will provide specialized technical services utilizing their West Valley Probabilistic Performance Assessment (WVPPA) model. The contract will support long-term probabilistic performance assessment modeling and Phase 2 decommissioning decision-making. The procurement will be executed under FAR 6.302-1 authority, which allows sole source procurement when only one responsible source can satisfy agency requirements.

Interested contractors must submit a written notification of interest and capability statement by 5:00 PM Eastern Time on May 23, 2025, via email to specified DOE contacts. The contract's scope includes comprehensive probabilistic performance assessment modeling, development of decommissioning alternatives, technical analysis of erosion controls, engineered barriers, and waste tank farm modeling. Additional responsibilities include downstream human dose risk evaluation and preparation of a supplemental environmental impact statement. While the notice indicates a sole source intent, the DOE is still open to receiving notifications from other potentially interested and capable sources. The contract represents a critical technical service for environmental management and decommissioning efforts at the West Valley nuclear site, focusing on comprehensive risk assessment and strategic decision-making for complex nuclear infrastructure.