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Savannah River Site Nuclear Safety and Criticality Safety Technical Support Services

Sigma Science provided nuclear safety and criticality safety subject matter experts (SMEs) and engineers to the Savannah River Nuclear Solutions (SRNS) Nuclear and Criticality Safety Engineering (N&CSE) department, supporting the Savannah River Plutonium Processing Facility (SRPPF). Sigma provided these services under a three-year $2.4 million subcontract with Longenecker & Associates, awarded in Aug 2019. The contract scope called for the performance of complex nuclear safety and criticality safety activities to achieve critical decision (CD-1) approval for the SRPPF.

Key activities included:

Key contract accomplishments include: