INES-event
INES 1

REACTOR COOLANT LEAK ON REACTOR TEMPERATURE DETECTOR

Reactor coolant System Leakage of 280 Lit/H Upper Technical Specifications Limit (227 L/H). The leakage was located in a flowmeter on the reactor temperature detector (RTD) Line (loop A). The leakage was initatied at 21.15 hrs. (July 7) and isolated at 20.30 hrs (July 8). The plant remained in hot shutdown operation mode. The total leakage was 7.000 litres.
BASIS FOR RATING: Initiator frequency: Expected, real
Safety function availability: full
Insignificant on site impact inside containment. No off-site impact.
DIFFICULTIES IN RATING:

Location: VANDELLOS-2
Event date: Sat, 07-07-1990
Nuclear event report
Legenda & explanation