ML14210A198: Difference between revisions

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{{#Wiki_filter:Date:  July 29, 2014 PRELIMINARY NOTIFICATION OF EVENT OR UNUSUAL OCCURRENCE  - PNO-I-14-003  This preliminary notification constitutes EARLY notice of events of POSSIBLE safety or public interest significance. Some of the information may not yet be fully verified or evaluated by the Region I staff. 
Facility      Licensee Emergency Classification Dominion Nuclear Connecticut, Inc. __    Notification of Unusual Event Millstone Power Station, Unit 2    ___  Alert  Waterford, CT      ___  Site Area Emergency  Docket No. 50-336    ___  General Emergency  License No. DPR-65    _X    Not Applicable       
==SUBJECT:==
MILLSTONE POWER STATION UNIT 2:  SHUTDOWN GREATER THAN 72 HOURS DUE TO A TECHNICAL SPECIFICATIONS REQUIRED SHUTDOWN FOR THE TURBINE DRIVEN AUXILIARY FEEDWATER PUMP On July 23, 2014, Millstone Power Station Unit 2 entered Technical Specification 3.7.1.1,  Action C, for the turbine-driven auxiliary feedwater pump due to insufficient pump flow in recirculating mode. At 2:11 p.m. on July 26, 2014, Millstone Unit 2 commenced the shutdown required by Technical Specifications using normal station procedures. Troubleshooting and repairs will continue to attempt to identify and correct the issue.
The unit is currently in Mode 4, and all safety-related systems and equipment required for safe plant shutdown are available.
The NRC resident inspectors are closely monitoring Dominion's evaluation and repair activities.
This preliminary notification is issued for information only.
Region I received initial notification of this occurrence by telephone call from the licensee at approximately 2:00 p.m. on July 26, 2014. Connecticut officials have been notified.              The information presented herein has been discussed with the licensee and is current as of      11:00 a.m. on July 29, 2014.
ADAMS Accession Number:  ML14210A198  CONTACT: Raymond McKinley, Projects Branch 5 (610) 337-5150  Raymond.McKinley@nrc.gov   
ML14210A198  SUNSI Review  Non-Sensitive  Sensitive  Publicly Available Non-Publicly Available OFFICE RI/DRP RI/DRP RI/PAO  RI/SLO  RI/ORA NAME    RMcKinley/SWS for HNieh/MLS for DScrenci/NAS for NMcNamara/DBT for WDean/DCL for DATE 7/28/14 7/28/14 7/28/14 7/28/14 7/29/14}}

Revision as of 21:47, 27 June 2018

PNO-I-14-003 - Millstone, Unit 2. Shutdown Greater than 72 Hours Due to TS-Required Shutdown for the TDAFW
ML14210A198
Person / Time
Site: Millstone Dominion icon.png
Issue date: 07/29/2014
From: Raymond McKinley
NRC/RGN-I/DRP/PB5
To:
McKinley R R
References
PNO-I-14-003
Download: ML14210A198 (2)


Text

Date: July 29, 2014 PRELIMINARY NOTIFICATION OF EVENT OR UNUSUAL OCCURRENCE - PNO-I-14-003 This preliminary notification constitutes EARLY notice of events of POSSIBLE safety or public interest significance. Some of the information may not yet be fully verified or evaluated by the Region I staff.

Facility Licensee Emergency Classification Dominion Nuclear Connecticut, Inc. __ Notification of Unusual Event Millstone Power Station, Unit 2 ___ Alert Waterford, CT ___ Site Area Emergency Docket No. 50-336 ___ General Emergency License No. DPR-65 _X Not Applicable

SUBJECT:

MILLSTONE POWER STATION UNIT 2: SHUTDOWN GREATER THAN 72 HOURS DUE TO A TECHNICAL SPECIFICATIONS REQUIRED SHUTDOWN FOR THE TURBINE DRIVEN AUXILIARY FEEDWATER PUMP On July 23, 2014, Millstone Power Station Unit 2 entered Technical Specification 3.7.1.1, Action C, for the turbine-driven auxiliary feedwater pump due to insufficient pump flow in recirculating mode. At 2:11 p.m. on July 26, 2014, Millstone Unit 2 commenced the shutdown required by Technical Specifications using normal station procedures. Troubleshooting and repairs will continue to attempt to identify and correct the issue.

The unit is currently in Mode 4, and all safety-related systems and equipment required for safe plant shutdown are available.

The NRC resident inspectors are closely monitoring Dominion's evaluation and repair activities.

This preliminary notification is issued for information only.

Region I received initial notification of this occurrence by telephone call from the licensee at approximately 2:00 p.m. on July 26, 2014. Connecticut officials have been notified. The information presented herein has been discussed with the licensee and is current as of 11:00 a.m. on July 29, 2014.

ADAMS Accession Number: ML14210A198 CONTACT: Raymond McKinley, Projects Branch 5 (610) 337-5150 Raymond.McKinley@nrc.gov

ML14210A198 SUNSI Review Non-Sensitive Sensitive Publicly Available Non-Publicly Available OFFICE RI/DRP RI/DRP RI/PAO RI/SLO RI/ORA NAME RMcKinley/SWS for HNieh/MLS for DScrenci/NAS for NMcNamara/DBT for WDean/DCL for DATE 7/28/14 7/28/14 7/28/14 7/28/14 7/29/14