Procurement Summary
Country: USA
Summary: Plantmodel Development for Sequoyah Nuclear Power
Deadline: 15 May 2026
Posting Date: 02 Apr 2026
Other Information
Notice Type: Tender
TOT Ref.No.: 138846003
Document Ref. No.: 31310026R0015
Competition: ICB
Financier: Self Financed
Purchaser Ownership: Public
Tender Value: Refer Document
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TRAC/RELAP Advanced Computational Engine (TRACE) and Purdue Advanced Reactor Core Simulator (PARCS) Plant-model Development for Sequoyah Nuclear Power Plant.The U.S. Nuclear Regulatory Commission (NRC) is issuing a presolicitation notice for a requirement entitled, “TRAC/RELAP Advanced Computational Engine (TRACE) and Purdue Advanced Reactor Core Simulator (PARCS) Plant-model Development for Sequoyah Nuclear Power Plant.”In accordance with its mission to provide technical advice, tools, and information for meeting the needs of the U. S. Nuclear Regulatory Commission (USNRC), the USNRC-s Office of Nuclear Regulatory Research (RES) has committed to the continuous development of the thermal-hydraulic audit code, TRACE, and to the development of a collection of TRACE plant models, each representing one of the reactor types currently in operation. This combination of code and input models provides the NRC staff with readily available tools to perform independent analyses of various transients and accidents, which aids in the resolution of safety issues and in the determination of regulatory decisions. The TRACE model for the Sequoyah plant, which is a 4-loop Westinghouse pressurized water reactor (PWR) with an ice-condenser containment, is slated as the next model for development.The contractor shall, after obtaining from the USNRC plant-specific core-design information, or suitable surrogate information, for the development of a Sequoyah core, use USNRC-s process for integrating thermal-hydraulic data, data from the PARCS code, and fuel-performance data from the Fuel Analysis under Steady-state and Transients (FAST) code to facilitate and perform coupled TRACE/PARCS transient simulations for the Sequoyah TRACE model.The period of performance will be approximately 10 months commencing around June/July 2026. The North American Industry Classification System (NAICS) code for the services required is 541990 “All Other Professional, Scientific, and Technical Services.” Reque...
Notice ID: 31310026r0015
Department/Ind. Agency: nuclear regulatory commission
Sub-tier: nuclear regulatory commission
Office: nuclear regulatory commission
Product Service Code: r425 - support- professional: engineering/technical
NAICS Code: 541690 - Other Scientific and Technical Consulting Services
Inactive Dates: jul 31, 2026
Inactive Policy: manual
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