SENDS SPECIAL INSPECTION TEAM TO
NUCLEAR PLANT IN N.J.
The Nuclear Regulatory Commission sent a team of specialists to Unit 1 at
On Wednesday evening, Oct. 15, with the reactor shut down for a refueling
outage, operators were conducting a routine evolution to lower reactor coolant
system level in the pressurizer (diagram below) in preparation for Unit 1
refueling. Over the course of several hours, operators unknowingly used a level
indication instrument that was not functioning properly to monitor water level.
Once the problem was detected, operators added
water back to the reactor coolant system and fixed the level indication
instrument. The NRC Resident Inspectors assigned to
There was no danger to public health and safety or the environment. There
was no release of radiation associated with this operational event.
The three-person inspection team will develop a sequence of events;
review PSEG’s control of risk-significant work including procedural guidance,
pre-job briefs, and supervisory oversight; review equipment issues related to
the pressurizer drain-down; and inspect PSEG’s organizational response.
NRC Region I Administrator Sam Collins said, “Although this did not
impact public safety, it is important that we have a thorough understanding of
what happened and why it happened. The team will also look at the actions the
company has taken to prevent similar issues in the future.”
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