Three Mile Island - The Disaster (cont.)
Three Mile Island - The Disaster (cont.)
- When the steam generators boiled dry standby pumps began to operate, as they should
- Operators turned down the flow thinking enough coolant was available - kept problem growing.
- Practically an accidental turning on of the standby pumps by a supervisor averted the accident.
- Human intervention was primary cause of accident
- The Human Error was principally due to design of the control room