BORATED WATER STORAGE TANK LEVEL REDUCTION TO 180 M3

The unit was in preventive maintenance outage with refueling operation nearing completion and reactor depressurized. During preparations to eliminate leak in the manway hatch of borated water storage tank a breach of limiting condition for operation occurred - borated water reserve was reduced to 180 m3 while the allowable minimum is 300 m3. The event had no consequences.
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Location: 
NOVOVORONEZH-4
Event date: 
Fri, 1991-10-25
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