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Title: Operator action event trees for the Zion 1 pressurized water reactor

Technical Report ·
DOI:https://doi.org/10.2172/6745639· OSTI ID:6745639

Operator Action Event Trees for transient and LOCA initiated accident sequences at the Zion 1 PWR have been developed and documented. These trees logically and systematically portray the role of the operator throughout the progression of the accident. The documentation includes a delineation of the required operator response and the key symptoms exhibited by the plant at each state of the tree. These operator action event trees were based on the best-estimate computer analyses performed by EG and G Idaho, Inc. and Los Alamos National Laboratory under the NRC Severe Accident Sequence Analysis (SASA) Program.

Research Organization:
Wood-Leaver and Associates, Inc., San Jose, CA (USA)
DOE Contract Number:
AC07-76ID01570
OSTI ID:
6745639
Report Number(s):
NUREG/CR-2888; EGG-2201; ON: DE83001596
Country of Publication:
United States
Language:
English