ENS 41530
ENS Event | |
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03:00 Mar 28, 2005 | |
Title | Plant Shutdown to Repair Small Reactor Coolant System Leak |
Event Description | The following information was obtained from the licensee via facsimile (licensee text in quotes):
While in OPCON 2 with the Main Turbine secured, Hope Creek personnel performed a Primary Containment entry to determine the source of slightly elevated unidentified leakage. This leakage has slowly trended up since plant start-up in February to approximately 0.73 gpm. With the current unidentified leak rate at 0.436 gpm, personnel identified a steam leak from an insulated decontamination port, sealed via a bolted flange, within the isolable boundary of the 'B' Reactor Recirculation pump. This was the only source of reactor coolant system leakage identified although some minor leakage (totaling approximately 250ml/min) from two drywell recirculation fans was also identified. This is a voluntary/courtesy Emergency Notification System (ENS) notification that Hope Creek is proceeding to Cold Shutdown to precisely identify and repair the leakage source. At the time of this notification, Hope Creek Generating Station is in OPCON 3 with plant cooldown in process. The licensee reported this event under 10 CFR 50.72(b)(2) as a 4-Hour Non-Emergency Voluntary notification. The NRC Resident Inspector has been notified and the licensee plans to notify LAC Township. |
Where | |
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Hope Creek New Jersey (NRC Region 1) | |
Reporting | |
Other Unspec Reqmnt | |
Time - Person (Reporting Time:+-2.42 h-0.101 days <br />-0.0144 weeks <br />-0.00331 months <br />) | |
Opened: | Art Bready 00:35 Mar 28, 2005 |
NRC Officer: | Bill Huffman |
Last Updated: | Mar 28, 2005 |
41530 - NRC Website
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WEEKMONTHYEARENS 415302005-03-28T03:00:00028 March 2005 03:00:00
[Table view]Other Unspec Reqmnt Plant Shutdown to Repair Small Reactor Coolant System Leak ENS 411172004-10-12T23:34:00012 October 2004 23:34:00 Other Unspec Reqmnt Discovery of After-The-Fact Emergency Condition (Unusual Event) ENS 407102004-04-27T20:16:00027 April 2004 20:16:00 Other Unspec Reqmnt Procedural Acceptance Criteria for Diesel Driven Fire Pump Fuel Oil Viscosity Not Met 2005-03-28T03:00:00 | |