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Independent Activity Report, Waste Treatment and Immobilization Plant - March 2013

March 2013

Follow-up of Waste Treatment and Immobilization Plant Low Activity Waste Melter Process System Hazards Analysis Activity Review [HIAR-WTP-2013-03-18]

The Office of Health, Safety and Security (HSS) staff observed a limited portion of the restart of the Hazard Analysis (HA) for the Waste Treatment and Immobilization Plant (WTP) Low Activity Waste (LAW) Melter Process (LMP) System. The primary purpose of this HSS field activity, on March 18-21, 2013, was to observe and understand the revised approach implemented by Bechtel National, Inc. (BNI), the contractor responsible for the design and construction of WTP for the U.S. Department of Energy (DOE) Office of River Protection (ORP), to conduct system-by-system HAs as part of developing the Documented Safety Analysis (DSA) for the WTP LAW, Balance of Facility, and Analytical Laboratory (collectively known as “LBL”) nuclear facilities. Another purpose of this HSS activity was to understand ORP’s revised plan for LBL safety basis review and to scope the next potential HSS independent oversight activities relative to the development of the DSA for LBL facilities.