ML051670295
| ML051670295 | |
| Person / Time | |
|---|---|
| Site: | Millstone  |
| Issue date: | 06/08/2005 |
| From: | Sarver S Dominion Nuclear Connecticut |
| To: | Document Control Desk, Office of Nuclear Reactor Regulation |
| References | |
| 05-337 | |
| Download: ML051670295 (8) | |
Text
)Dominion-Dominion Nuclear Connecticut, Inc.
Millstone Power Station Rope Ferry Road Waterford, CT 06385 U.S. Nuclear Regulatory Commission Attention: Document Control Desk Washington, DC 20555 Sei MP Do, JUN 8 JO rial No.05-337
'S Lic/BAK RO cket Nos.
50-336 50-423 ense Nos.
DPR-65 NPF-49 Lic DOMINION NUCLEAR CONNECTICUT. INC.
MILLSTONE POWER STATION UNITS 2 AND 3 MAY 2005 MONTHLY OPERATING REPORTS In accordance with the reporting requirements of Technical Specification 6.9.1.7 for the Millstone Power Station Unit 2 (MPS2), and Technical Specification 6.9.1.5 for the Millstone Power Station Unit 3 (MPS3), attached are the Monthly Operating Reports for the month of May 2005. Attachment 1 contains the MPS2 Monthly Operating Report and Attachment 2 contains the MPS3 Monthly Operating Report.
If you have any questions or require additional information, Mr. David W. Dodson at (860) 447-1791, extension 2346.
please contact Very truly yours, i P. Sarver, Director Station Operations and Maintenance
'.- tr-
Serial No.05-337 May 2005 Monthly Operating Report Page 2 of 2 Attachments:
2 Commitments made in this letter: None.
cc:
U.S. Nuclear Regulatory Commission Region I 475 Allendale Road King of Prussia, PA 19406-1415 Mr. V. Nerses Senior Project Manager U.S. Nuclear Regulatory Commission One White Flint North 11555 Rockville Pike Mail Stop 8C2 Rockville, MD 20852-2738 Mr. G. F. Wunder Project Manager U.S. Nuclear Regulatory Commission One White Flint North 11555 Rockville Pike Mail Stop 08-B-1A Rockville, MD 20852-2738 Mr. S. M. Schneider NRC Senior Resident Inspector Millstone Power Station
Serial No.05-337 May 2005 Monthly Operating Report for Millstone Power Station Unit 2 (MPS2)
Millstone Power Station Unit 2 Dominion Nuclear Connecticut, Inc. (DNC)
Serial No.05-337 OPERATING DATA REPORT DOCKET NO.
UNIT NAME DATE COMPLETED BY TELEPHONE EXTENSION 50-336 Millstone 2 06/01/2005 S. Claffey (860) 447-1791 2456 OPERATING STATUS
- 1. Unit Name:
Millstone Unit No. 2
- 2.
Reporting Period:
May 2005
- 3.
Licensed Thermal Power (MWt):
2700.0
- 4.
Design Electrical Rating (Net MWe):
883.5
- 5.
Maximum Dependable Capacity (Net MWe):
877.7
- 6. If Changes Occur in Capacity Ratings (Items Number 3 through 5)
N/A Since Last Report, Give Reasons:
This Month Year-to-Date Cumulative
- 7. Number of Hours Reactor Was Critical 344.0 2695.4 169430.2
- 8. Hours Generator On-Line 324.0 2675.2 163588.9
- 9.
Unit Reserve Shutdown Hours 0.0 0.0 468.2
- 10. Net Electrical Energy Generated (MWH) 256277.3 2324518.3 134798131.0 OPERATING
SUMMARY
The unit continued with Refueling Outage 16, which had begun on April 9, 2005. The reactor achieved criticality at 1558 on May 17, 2005. Low power physics testing was performed and the unit was placed on-line at 0843 on May 18, 2005. The generator was taken off-line at 1350 on May 18, 2005 for main turbine overspeed testing and was reconnected to the grid at 1709. The unit reached approximately 100% power on May 21, 2005. Millstone Unit 2 operated at or near 100% power for the remainder of May 2005.
Serial No.05-337 UNIT SHUTDOWNS DOCKET NO.
UNIT NAME DATE COMPLETED BY TELEPHONE EXTENSION 50-336 Millstone 2 06/01/2005 S. Claffev (860) 447-1791 2456 REPORTING MONTH: MAY 2005 NO.
DATE TYPEI DURATION REASON2 MIETHIOD OF SHUTTING CAUSE/ CORRECTIVE ACTIONS (HOURS)
DOWN REACTOR 3 COMMENTS 05-01 04/09/2005 S
416.7 C
I Continuation of Rcfueling Outage 16 from previous month.
05-02 05/1812005 S
3.3 B
5 Main turbine overspeed test. Reactor remained critical.
2 3
F:
Forced Reason:
Method:
S:
Scheduled A - Equipment Failure (Explain)
I - Manual B - Maintenance or Test 2 -Manual Trip C - Refueling 3 - Automatic Trip D - Regulatory Restriction 4 -Continued from previous month E -Operator Training / License Examination 5 -Other (Explain)
F-Administrative G - Operational Error (Explain)
H - Other (Explain)
Serial No.05-337 May 2005 Monthly Operating Report for Millstone Power Station Unit 3 (MPS3)
Millstone Power Station Unit 3 Dominion Nuclear Connecticut, Inc. (DNC)
Serial No.05-337 OPERATING DATA REPORT DOCKET NO.
UNIT NAME DATE COMPLETED BY TELEPHONE EXTENSION 50-423 Millstone 3 06/01/05 K. Cook (860) 447-1791 6572 OPERATING STATUS
- 1. Unit Name:
Millstone Unit No. 3
- 2.
Reporting Period:
May 2005
- 3.
Licensed Thermal Power (MWt):
3411.0
- 4.
Design Electrical Rating (Net MWe):
1156.5
- 5.
Maximum Dependable Capacity (Net MWe):
1148.0
- 6. If Changes Occur in Capacity Ratings (Items Number 3 through 5)
N/A Since Last Report, Give Reasons:
This Month Year-to-Date Cumulative
- 7. Number of Hours Reactor Was Critical 744.0 3315.9 122401.5
- 8. Hours Generator On-Line 744.0 3306.3 120587.0
- 9.
Unit Reserve Shutdown Hours 0.0 0.0 0.0
- 10.
Net Electrical Energy Generated (MWH) 844923.5 3806446.1 132637348.0 OPERATING
SUMMARY
Millstone Unit 3 continued a return to full power following the shutdown in April. The plant reached 100% power on May I at 1707 hours0.0198 days <br />0.474 hours <br />0.00282 weeks <br />6.495135e-4 months <br />, however, at 1812 hours0.021 days <br />0.503 hours <br />0.003 weeks <br />6.89466e-4 months <br /> the unit started a downpower due to a misaligned control rod problem. The load reduction was stopped at 74.8% power. It was determined that the problem was with indicated position and not an actual misalignment. The unit started a return to full power at 1300 hours0.015 days <br />0.361 hours <br />0.00215 weeks <br />4.9465e-4 months <br /> on May 2 and reached 100% power at 1200 hours0.0139 days <br />0.333 hours <br />0.00198 weeks <br />4.566e-4 months <br /> on May 3, 2005. The plant operated at 100% power for the remainder of May 2005.
Serial No.05-337 UNIT SHUTDOWNS DOCKET NO.
UNIT NAME DATE COMPLETED BY TELEPHONE EXTENSION 50-423 Millstone 3 06/01/05 K. Cook (860) 447-1791 6572 REPORTING MONTH: MAY 2005 NO.
DATE TYPE' DURATION REASON 2 METHOD OF SHUTTING CAUSE / CORRECTIVE ACTIONS lO(HOURS)DWN REACTOR 3
COMMENTS NIA There was no unit shutdown in May 2005.
t2 3
F:
Forced Reason:
Method:
S:
Scheduled A - Equipment Failure (Explain) 1 - Manual B - Maintenance or Test 2 - Manual Trip C - Refueling 3 - Automatic Trip D - Regulatory Restriction 4 - Continued from previous month E - Operator Training / License Examination 5 - Other (Explain)
F - Administrative G - Operational Error (Explain) l - Other (Explain)