An Evaluation Methodology Development and Application Process for Severe Accident Safety Issue Resolution

Table 3

Postulated initiating events.

Initiating event (IE) description
Interfacing system loss of coolant accident
Loss of balance of plant (LBOP)
Loss of coolant accident (LOCA)
Loss of condenser heat sink
Loss of component cooling water
Loss of main feedwater flow (LOMFW)
Loss of offsite power (LOOP)
Inadvertent opening of a main steam safety valve
Loss of one emergency bus
Steam generator tube rupture
Steam line break
Turbine trip