Question

In which ways could events be initiated in a Nuclear Power Plant?

Components may fail by demand e.g. valve remain open when closure is requested

Components may fail due to material fatigue

Components may fail due to human actions

Components may fail due to natural events e.g. flooding, earthquake

unanswered

Answer 1

In the Nuclear power plant all the given conditions are responsible for occuring the initiating events-

1. components may fail by damage e.g. valve remain open when closure is requested, also in this case damages can be occur due to electrical or mechanical failure.

2. components may fail due to material fatigue, this initiating events is occured due to forseeable failures of structures, failures arising from hazards.

3. Components may fail due to human actions, the human actions can lead initiating events in both the external or internal part of the plant i.e. it can occur by human actions such as explosion of any flammable liquid gas, aircraft crash or creating unnecessary situations with the plants.

4.components may fail due to natural events, this may also occur in the nuclear power plant due to natural events like seismic events such as earthquake or flooding.