May 2013

Appraisal of the Uranium Processing Facility Safety Basis Preliminary Safety Design Report Process at the Y-12 National Security Complex

The Office of Safety and Emergency Management Evaluations, within the U.S. Department of Energy (DOE) Office of Health, Safety and Security (HSS) Office of Enforcement and Oversight (Independent Oversight), conducted an appraisal of the Uranium Processing Facility (UPF) Preliminary Safety Design Report (PSDR) and associated site office review processes. This appraisal focused on selected aspects of the PSDR submitted to the National Nuclear Security Administration (NNSA) Production Office (NPO) for review in September 2012 and on the process implemented by NPO to review the PSDR and report its findings in the Preliminary Safety Validation Report (PSVR).