ML081340610: Difference between revisions
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{{#Wiki_filter:Date: May 13, 2008 PRELIMINARY NOTIFICATION OF EVENT OR UNUSUAL OCCURRENCE | {{#Wiki_filter:Date: May 13, 2008 PRELIMINARY NOTIFICATION OF EVENT OR UNUSUAL OCCURRENCE - PNO-I-08-005 This preliminary notification constitutes EARLY notice of events of POSSIBLE safety or public interest significance. The information is as initially received without verification or evaluation, and is basically all that is known by the Region I staff on this date. | ||
Facility Licensee Emergency Classification Constellation Energy X Notification of Unusual Event Nine Mile Point Nuclear Power Station Alert Unit 1 Site Area Emergency Scriba, NY General Emergency Docket: 50-220 Not Applicable Entergy Nuclear Northeast Notification of Unusual Event James A. FitzPatrick Nuclear Power Station Alert Site Area Emergency Scriba, NY General Emergency Docket: 50-333 X Not Applicable | |||
This preliminary notification constitutes EARLY notice of events of POSSIBLE safety or public interest significance. The information is as initially received without verification or evaluation, and is basically all that is known by the Region I staff on this date. | |||
Facility | |||
==Subject:== | ==Subject:== | ||
UNUSUAL EVENT DECLARED DUE TO LOSS OF OFFSITE POWER AT NINE MILE POINT UNIT 1 On May 13, 2008, at 8:25 a.m., Constellation Energy declared an Unusual Event at Nine Mile Point Unit 1 due to loss of all offsite power for greater than 15 minutes. One of the five non-safety reactor recirculation pumps tripped due to the loss of off-site power, resulting in a reduction in power to 92%. The electrical safety buses were re-energized by onsite emergency diesel generators. In addition, the adjacent J. A. FitzPatrick plant also lost all offsite power for approximately one minute. The J. A. FitzPatrick plant remained at 100% power. The electrical system supplying Nine Mile Point Unit 1 and J. A. FitzPatrick station is interconnected. Nine Mile Point Unit 2 was unaffected by this event. | UNUSUAL EVENT DECLARED DUE TO LOSS OF OFFSITE POWER AT NINE MILE POINT UNIT 1 On May 13, 2008, at 8:25 a.m., Constellation Energy declared an Unusual Event at Nine Mile Point Unit 1 due to loss of all offsite power for greater than 15 minutes. One of the five non-safety reactor recirculation pumps tripped due to the loss of off-site power, resulting in a reduction in power to 92%. The electrical safety buses were re-energized by onsite emergency diesel generators. In addition, the adjacent J. A. FitzPatrick plant also lost all offsite power for approximately one minute. The J. A. FitzPatrick plant remained at 100% power. The electrical system supplying Nine Mile Point Unit 1 and J. A. FitzPatrick station is interconnected. Nine Mile Point Unit 2 was unaffected by this event. | ||
At 10:22 a.m., Constellation Energy exited the Unusual Event following restoration of one of the offsite lines to Nine Mile Point Unit 1. | At 10:22 a.m., Constellation Energy exited the Unusual Event following restoration of one of the offsite lines to Nine Mile Point Unit 1. | ||
The NRC Resident Inspectors were onsite and responded to the main control rooms, and NRC Region I staffed its Incident Response Center to follow the licensees actions and evaluate plant safety performance. NRC Region I, in King of Prussia, PA, contacted the State of New York, and the Region I Public Affairs Office is prepared to respond to media inquiries. No press releases were issued by the licensees. | |||
The NRC Resident Inspectors were onsite and responded to the main control rooms, and NRC Region I staffed its Incident Response Center to follow the | Region I received initial notification of this occurrence by telephone call from the Resident Inspector staff at 8:20 a.m. The information presented herein has been discussed with Constellation Energy and Entergy Nuclear Northeast and is current as of May 13, 2008, at 2:00 p.m. | ||
Region I received initial notification of this occurrence by telephone call from the Resident Inspector staff at 8:20 a.m. The information presented herein has been discussed with Constellation Energy and Entergy Nuclear Northeast and is current as of May 13, 2008, at 2:00 p.m. | |||
DOCUMENT NAME: | This preliminary notification is issued for information only, and no further preliminary notification update by the staff is anticipated. | ||
" C" = Copy without attachment/enclosure ML081340610 | ADAMS Accession Number: ML081340610 Contacts: G. Dentel D. Jackson (610) 337-5233 (610) 337-5306 Glenn.Dentel@nrc.gov Donald.Jackson@nrc.gov DISTRIBUTIONS: | ||
BY E-MAIL: | |||
OWFN TWFN Chairman Klein NMSS Comm. Jaczko OIG Comm. Lyons RES Comm. Svinicki OIP OCA OGC EDO OE NRR SECY Regional Offices BY FAX: | |||
DOT:Trans INPO NSAC RI Resident Office Licensee: Constellation Energy Nine Mile Point Nuclear Power Station RI Resident Office Licensee: Entergy Nuclear Northeast FitzPatrick Nuclear Power Station SUNSI Review Complete: GTD (Reviewers Initials) | |||
DOCUMENT NAME: T:\DRP\PNs\PNO-I-08-005.doc After declaring this document An Official Agency Record it will be released to the Public. | |||
To receive a copy of this document, indicate in the box: "C" = Copy without attachment/enclosure ML081340610 "E" = Copy with attachment/enclosure "N" | |||
= No copy OFFICE RI/DRP RI/DRP RI/POA RI/ORA RI/DRP NAME GDentel/GTD DJackson/DEJ DScrenci/NAS NMcNamara/NTM DLew/DCL FOR DATE 05/13/08 05/13/08 05/13/08 05/13/08 05/13/08 OFFICIAL RECORD COPY}} | |||
Revision as of 16:44, 14 November 2019
| ML081340610 | |
| Person / Time | |
|---|---|
| Site: | Nine Mile Point, FitzPatrick  |
| Issue date: | 05/13/2008 |
| From: | Glenn Dentel, Diane Jackson Division Reactor Projects I |
| To: | |
| Dentel, G RGN-I/DRP/BR1/610-337-5233 | |
| References | |
| PNO-I-08-005 | |
| Download: ML081340610 (2) | |
Text
Date: May 13, 2008 PRELIMINARY NOTIFICATION OF EVENT OR UNUSUAL OCCURRENCE - PNO-I-08-005 This preliminary notification constitutes EARLY notice of events of POSSIBLE safety or public interest significance. The information is as initially received without verification or evaluation, and is basically all that is known by the Region I staff on this date.
Facility Licensee Emergency Classification Constellation Energy X Notification of Unusual Event Nine Mile Point Nuclear Power Station Alert Unit 1 Site Area Emergency Scriba, NY General Emergency Docket: 50-220 Not Applicable Entergy Nuclear Northeast Notification of Unusual Event James A. FitzPatrick Nuclear Power Station Alert Site Area Emergency Scriba, NY General Emergency Docket: 50-333 X Not Applicable
Subject:
UNUSUAL EVENT DECLARED DUE TO LOSS OF OFFSITE POWER AT NINE MILE POINT UNIT 1 On May 13, 2008, at 8:25 a.m., Constellation Energy declared an Unusual Event at Nine Mile Point Unit 1 due to loss of all offsite power for greater than 15 minutes. One of the five non-safety reactor recirculation pumps tripped due to the loss of off-site power, resulting in a reduction in power to 92%. The electrical safety buses were re-energized by onsite emergency diesel generators. In addition, the adjacent J. A. FitzPatrick plant also lost all offsite power for approximately one minute. The J. A. FitzPatrick plant remained at 100% power. The electrical system supplying Nine Mile Point Unit 1 and J. A. FitzPatrick station is interconnected. Nine Mile Point Unit 2 was unaffected by this event.
At 10:22 a.m., Constellation Energy exited the Unusual Event following restoration of one of the offsite lines to Nine Mile Point Unit 1.
The NRC Resident Inspectors were onsite and responded to the main control rooms, and NRC Region I staffed its Incident Response Center to follow the licensees actions and evaluate plant safety performance. NRC Region I, in King of Prussia, PA, contacted the State of New York, and the Region I Public Affairs Office is prepared to respond to media inquiries. No press releases were issued by the licensees.
Region I received initial notification of this occurrence by telephone call from the Resident Inspector staff at 8:20 a.m. The information presented herein has been discussed with Constellation Energy and Entergy Nuclear Northeast and is current as of May 13, 2008, at 2:00 p.m.
This preliminary notification is issued for information only, and no further preliminary notification update by the staff is anticipated.
ADAMS Accession Number: ML081340610 Contacts: G. Dentel D. Jackson (610) 337-5233 (610) 337-5306 Glenn.Dentel@nrc.gov Donald.Jackson@nrc.gov DISTRIBUTIONS:
BY E-MAIL:
OWFN TWFN Chairman Klein NMSS Comm. Jaczko OIG Comm. Lyons RES Comm. Svinicki OIP OCA OGC EDO OE NRR SECY Regional Offices BY FAX:
DOT:Trans INPO NSAC RI Resident Office Licensee: Constellation Energy Nine Mile Point Nuclear Power Station RI Resident Office Licensee: Entergy Nuclear Northeast FitzPatrick Nuclear Power Station SUNSI Review Complete: GTD (Reviewers Initials)
DOCUMENT NAME: T:\DRP\PNs\PNO-I-08-005.doc After declaring this document An Official Agency Record it will be released to the Public.
To receive a copy of this document, indicate in the box: "C" = Copy without attachment/enclosure ML081340610 "E" = Copy with attachment/enclosure "N"
= No copy OFFICE RI/DRP RI/DRP RI/POA RI/ORA RI/DRP NAME GDentel/GTD DJackson/DEJ DScrenci/NAS NMcNamara/NTM DLew/DCL FOR DATE 05/13/08 05/13/08 05/13/08 05/13/08 05/13/08 OFFICIAL RECORD COPY