Equipment Hatch Closure Plug

摘要

Institute of Nuclear Power Operations (INPO) issued SOER (Significant Operating Experience Report) 09-01 on August 31, 2009 that focuses on five key outage shutdown safety functions: decay heat removal, inventory control, electric power availability, reactivity control and containment closure.SOER 09-1, Shutdown Safety Recommendation 11 "Prior to reducing inventory below the reactor vessel flange with fuel in the vessel, either establish containment closure or validate equipment, procedures, and capable personnel necessary to establish closure prior to core boiling are in place."