ENS 47239

v t e ENS Event
19:30 Sep 3, 2011
Title	Technical Specification Required Shutdown Due to "a" Train Service Water Leak
Event Description	A leak in the "A" train of the service water system was identified on August 17, 2011. The leak is in the auxiliary building at the minus 5' elevation and the water is being collected in the waste drain tank. At 1530 on September 3, 2011, the leak was quantified as being less than 15 gpm and the service water system was declared inoperable in accordance with Technical Specification (TS) 3.7.4.1 for the Service Water System and the Technical Requirements Manual 3.4.10 for Structural Integrity. The leak is on a 10" flange between two bolt holes in a welded area of the flange. Maintenance has been able to reduce the leakage to approximately 3 gpm. The plant is in a 72 hour8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> Tech Spec and is making preparations to shutdown to mode 5 for repairs. The licensee notified the NRC Resident Inspector and will notify state and local authorities.

ENS 47239 +/-
Where
Millstone Connecticut (NRC Region 1)
Reporting

10 CFR 50.72(b)(2)(i), Tech Spec Required Shutdown
Time - Person (Reporting Time:+-3.92 h-0.163 days <br />-0.0233 weeks <br />-0.00537 months <br />)
Opened:	Ken Hajnal 15:35 Sep 3, 2011
NRC Officer:	Mark Abramovitz
Last Updated:	Sep 3, 2011
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v • d • e

v t e Emergency Notification System
Millstone with 10 CFR 50.72(b)(2)(i), Tech Spec Required Shutdown
WEEKMONTHYEAR2019-12-18T00:29:00 [Table view]
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