ML051390181
| ML051390181 | |
| Person / Time | |
|---|---|
| Site: | Millstone  |
| Issue date: | 05/11/2005 |
| From: | Sarver S Dominion Nuclear Connecticut |
| To: | Document Control Desk, Office of Nuclear Reactor Regulation |
| References | |
| 05-291 | |
| Download: ML051390181 (8) | |
Text
c Dominion Nuclear Connecticut, Inc.
Millstone Power Station Rope Ferry Road WaterFord, CT' 06385 Dominion-MAY I I 200 U.S. Nuclear Regulatory Commission Attention: Document Control Desk Washington, DC 20555 Serial No.
MPS Lic/BAK Docket Nos.05-291 RO 50-336 50-423 DPR-65 NPF-49 License Nos.
DOMINION NUCLEAR CONNECTICUT. INC.
MILLSTONE POWER STATION UNITS 2 AND 3 APRIL 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 April 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, Stelhen P. Sarver, Director Nuclear Station Operations and Maintenance
--r 4-
Serial No.05-291 April 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.05-291 April 2005 Monthly Operating Report for Millstone Power Station Unit 2 (MPS2)
Millstone Power Station Unit 2 Dominion Nuclear Connecticut, Inc. (DNC)
Serial No.05-291 OPERATING DATA REPORT DOCKET NO.
UNIT NAME DATE COMPLETED BY TELEPHONE EXTENSION 50-336 Millstone 2 05/02/2005 S. Claffev (860) 447-1791 2456 OPERATING STATUS
- 1. Unit Name:
Millstone Unit No. 2
- 2. Reporting Period:
April 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 191.4 2351.4 169086.2
- 8. Hours Generator On-Line 191.3 2351.3 163265.0
- 9. Unit Reserve Shutdown Hours 0.0 0.0 468.2
- 10.
Net Electrical Energy Generated (MWH) 160537.6 2068241.0 134541853.7 OPERATING
SUMMARY
The unit operated at or near 100% power for the month of April except for a downpower to 85% on April 7h to perform Simmer Testing of Main Steam Safety Valves prior to shutting down the unit on April 9"h for Refueling Outage 16.
Serial No.05-291 UNIT SHUTDOWNS DOCKET NO.
UNIT NAME DATE COMPLETED BY TELEPHONE EXTENSION 50-336 Millstone 2 05/02/2005 S. Claffey (860) 447-1791 2456 REPORTING MONTH: APRIL 2005 (PRIVAT DATE TYPE DURATION REASON2 METHOD OF SHUTTING CAUSE / CORRECTIVE ACTIONS E INO.
(HOURS)
DOWN REACTOR 3 COMMENTS 05-01 04/09/2005 S
527.7 C
I Shutdown for Refueling Outage 16.
l 2
3 R:
Forced Reason:
Method:
S:
Scheduled A -Equipment Failure (Explain)
I - Manual 1 - 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) 11-Other (Explain)
Serial No.05-291 April 2005 Monthly Operating Report for Millstone Power Station Unit 3 (MPS3)
Millstone Power Station Unit 3 Dominion Nuclear Connecticut, Inc. (DNC)
Serial No.05-291 OPERATING DATA REPORT DOCKET NO.
UNIT NAME DATE COMPLETED BY TELEPHONE EXTENSION 50-423 Millstone 3 05/01/05 K. Cook (860) 447-1791 6572 OPERATING STATUS
- 1. Unit Name:
Millstone Unit No. 3
- 2. Reporting Period:
April 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 411.9 2571.9 121657.5
- 8. Hours Generator On-Line 402.3 2562.3 119843.0
- 9.
Unit Reserve Shutdown Hours 0.0 0.0 0.0 10.INet Electrical Energy Generated (MWH) 456236.3 2961522.6 131792424.5 OPERATING
SUMMARY
Millstone Unit 3 operated at or near 100% power until 0829 hours0.00959 days <br />0.23 hours <br />0.00137 weeks <br />3.154345e-4 months <br /> on April 17, 2005 when an automatic reactor trip occurred due to a failed logic card on the solid state protection system. The reactor was taken critical at 0335 hours0.00388 days <br />0.0931 hours <br />5.539021e-4 weeks <br />1.274675e-4 months <br /> and the generator was phased to the grid at 1313 hours0.0152 days <br />0.365 hours <br />0.00217 weeks <br />4.995965e-4 months <br /> on April 30, 2005.
W Serial No.05-291 UNIT SHUTDOWNS J.r-DOCKET NO.
UNIT NAME DATE COMPLETED BY TELEPHONE EXTENSION 50-423 Millstone 3 05/01/05 K. Cook (860) 447-1791 6572 REPORTING MONTH: APRIL 2005 (PRIVAT DATE TYPE' DURATION REASON 2 METIHOD OF SHUTTING CAUSE / CORRECTIVE ACTIONS E )NO.
(IOURS)
DOWN REACTOR 3 CO1%ZIENTS 05-01 4/17/05 F
316.7 A
3 The plant had an automatic reactor trip due to a failed logic card in the SSPS system. The faulty card was replaced and other components were checked for similar conditions.
l 2
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
- - Operational Error (Explain)
H - Other (Explain)