ML20237H769
| ML20237H769 | |
| Person / Time | |
|---|---|
| Site: | North Anna  |
| Issue date: | 07/31/1987 |
| From: | Garner B, Stewart W VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.) |
| To: | NRC OFFICE OF ADMINISTRATION & RESOURCES MANAGEMENT (ARM) |
| References | |
| 87-480, NUDOCS 8708170350 | |
| Download: ML20237H769 (14) | |
Text
- - _
VIRGINIA POWER COMPANY NORTH ANNA POWER STATION MONTHLY OPERATING REPORT MONTH July YEAR 1987 l
l APPROVED:
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i 8708170350 87 f30 l/)
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e OPERATING DATA REPORT DOCKET NO. 50-338 DATE 08-03-87 COMPLETED BY Brenda Garner TELEPHONE (703) 894-5151 X2527 OPERATING STATUS 1.
Unit Name:
North Anna 1 2.
Reporting Period:
July, 1987 3.
Licensed Thermal Power (MWt):
2893 4.
Nameplate Rating (Gross MWe):
947 5.
Design Electrical Rating (Net MWe):
907 6.
Maximum Dependable Capacity (Gross MWe):
963 7.
Maximum Dependable Capacity-(Net MWe):
915 8.
If Changes Occur in Capacity Ratings (Items No. 3 thru 7) Since Last Report, Give Reasons:
N/A
- 9. ' Power Level To Which Restricted, If Any (Net MWe):
N/A
- 10. Reasons For Restrictions, If Any:
N/A This Month Yr.-to-Date Cumulative
- 11. Hours In Reporting Period 744 5,087 79,8: 5
- 12. Number of Hours Reactor Was Critical 258.3 2,905.5 56,5Zi~~~
- 13. Reactor Reserve Shutdown Hours 84.4 110 6,215.4
- 14. Hours Generator On-Line 248 2,872.9 54,099.6 15.
Unit Reserve Shutdown Hours 0
0
'O 16.
Gross Thermal Energy Generated (MWH) 386,095 7,796,294 142,582,058 17.
Gross Electrical Energy Generated (MWH) 122,445 2,607,075 46,735,295
- 18. Net Electrical Energy Generated (MWH) 112,295 2,472,851 44,198,538
- 19. Unit Service Factor 33.3 56.5 67.8
- 20. Unit Availability Factor 33.3 56.5 67.8
- 21. Unit Capacity Factor (Using MDC Net) 16.5 53.1 62.6--
- 22. Unit Capacity Factor (Using DER Net) 16.6 53.6-61.0
- 23. Unit Forced Outage Rate 61.8 12.5 12.8
- 24. Shutdowns Scheduled Over Next 6 Months (Type, Date, and Duration of Each):
25.
If Shut Down At End Of Report Period, Estimated Date of Startup: Sept. 25, 1987
- 26. Units In Test Status (Prior to Commercial Operation):
Forecast Achieved INITIAL CRITICALITY INITIAL ELECTRICITY COMMERCIAL OPERATION
t t
AVERAGE DAILY UNIT POWER LEVEL DOCKET NO.
50-338 UNIT NA-1 DATE 08-03-87 COMPLETED BY,
Brenda Garner TELEPHONE 703-894-5151X2527 HONTH July, 1987 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (UWe-Net)
(MWe-Net) 1 173 17 0
2 20 18 0
0 3
0 19 4
16 20 0
5 213 21 0
6 416 22 0
7 460 23 0
8 397 24 0
9 393 25 0
l 10 365 26 0
- 11 0
27 0
12 278 28 0
13 795 29 0
14 903 30 0
15 250 31 0
0 16 INSTRUCTIONS On this format, list the average daily unit power level in MWe-Net for each day in the reporting month. Compute to the nearest whole megawatt.
Page 1
of 1
UNIT SHUTDOWN AND POWER REDUCTIONS EXPLANATION SHEET DOCKET NO.
50-338 REPORT MONTH July UNIT NAME NA-1 YEAR 1987 DATE 08-03-87 COMPLETED BY Brenda Garner 87-03 (1)
Commenced rampdown to 0% power to repair 1-FW-110 broken stem on
'C' Main Feed Regulator manual isolation valve.
July 2,
1987 at 0326, Unit came off line.
Repairs were completed and on July 4,
1987 at 2123, Unit returned on line.
87-04 (2)
Commenced rampdown to 0% power to repair stop valve on
'B' Moisture Separate Reheater (M.S.R.).
July 10, 1987 at 2320, Unit came off line.
Repairs were completed and on July 12, 1987 at 0356, Unit returned on line.
87-05 (3)
July 15, 1987 at 0636, Reactor trip occurred at 100% power, due to
'C' Steam Generator tube rupture.
Ended the month with Unit in Mode 5,
due to tube inspections on Steam Generators.
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i VIRGINIA POWER l
NORTH ANNA POWER STATION 4
UNIT NO.
1 MONTH July l
SUMMARY
OF OPERATING EXPERIENCE l
Listed below in chronological sequence is a summary of operating' experiences for this month which required load reductions or resulted in significant non-load related incidents.
DATE TIME DATA July 1, 1987 0000 Began the month with Unit at 200 MW - 24%
power, adjusting secondary chemistry.
July 2, 1987 0205 Commenced rampdown to 0% power, due to 1-FW-110 broken stem on "C" Main Feed Regulator manual isolation valve.
0326 Unit off line.
0450 Reactor shutdown.
July 4, 1987 1534 Reactor critical.
2123 Unit on line.
July 5, 1987 0210 Unit holding at 250 MW - 30% power for Chemistry.
July 6, 1987 0030 Commenced ramp up to 48% power.
0557 Unit holding at 340 MW - 48% power for Flux Mapping, and 1-PT-24 Calorimetric.
0930 Commenced ramp up to 50% power, Flux Mapping and 1-PT-24 Calorimetric completed.
0950 Unit holding at 420 MW - 50% power for Nuclear Instrumentation (N.I.) adjustments, and 1-PT-23, Quadrant Power Tilt Ratio (Q.P.T.R.)
1630 Commenced ramp up to 64% power, N.I.
adjustments and 1-PT-23 (Q.P.T.R.)
completed.
1900 Unit holding at 565 MW - 64% power for temperature on 'A' Moisture Separate Reheater, (M.S.R.).
1
VIRGINIA POWER NORTH ANNA POWER STATION UNIT NO.
1 l
MONTH July
SUMMARY
OF OPERATING EXPERIENCE Listed below in chronological sequence is a summary of operating experiences for this month which required load reductions or resulted in significant non-load related incidents.
DATE TIME DATA July 6, 1987 2000 Commenced ramp up to 83% power.
July 7, 1987 0158 Unit holding at 814 MW - 83% power, due to 'A' M.S.R. Temperature Decrease.
0240 Commenced rampdown to 50% power, to monitor 'A' N.S.R. temperature.
0543
-Unit holding a; 445 MW - 50% power, to monitor 'A' M.S.R. temperature.
July 10, 1987 2103 Commenced rampdown to 0% power, to repair 'B' N.S.R. stop valve.
2320 Unit ofi line.
2340 Reactor shutdow's July 12, 1987 0217 Resctor Critical.
0356 Unit en line.
0510 Unit holding at 251 MW - 30% power, for Chemistry.
1519 Commenced ramp up to 85% power, released f rom CLewist.ry. hold.
July 13, 1987 0400 Unit holding at 825 MW - 85% power, for Flux flapping.
1640 Commenced ramp up to 98% power, Flux Mapping completed.
2110 Unit holding at 935 MW - 98% power, for 1-PT-24 Calorimetric.
2
i VIRGINIA POWER NORTH ANNA POWER STATION i
UNIT No.
1 MONTH July
SUMMARY
OF OPERATING EXPERIENCE Listed below in ?:hronclogical sequence is a summary of operating experiences for this month which required load reductions or resalted in significant non-load related incidents.
DATE TIME DATA July 13, 1987 2140 Commenced ramp ap to 100% power, 1-Pi-24 Calorimetric completed.
2220 Unit stabilized at 953 MW - 100% power.
July 15, 1987 0636 Manual Reactor trip occurred at 953 MW -
100% power, due to 'C' Steam Generator tube rupture.
l July 31, 1987 2400 Ended the month with Unit in Mode 5, due to tube inspections on Steam Generators.
3
OPERATING DATA REPORT DOCKET NO.
50-339 DATE 08-03-87 COMPLETED BY Brenda Garner TELEPIIONE (703) 894-5151 X2527 OPERATING STATUS 1.
Unit Name:
North Anna 2 2.
Reporting Period:
July, 1987 3.
Licensed Thermal Power (MWt):
2893 4.
Nameplate Rating (Gross MWe):
947 5.
Design Electrical Rating (Net MWe):
907 6.
Maximura Dependable Capacity (Gross MWe):
963 7.
Maximum Dependable Capacity (Net MWe):
915 8.
If Changes Occur in Capacity Ratings (Items No. 3 thru 7) Since Last Report, Give Reasons:
N/A 9.
Power Level To Which Restricted. If Any (Net MWe):
N/A
- 10. Reasons For Restrictions, If Any:
N/A This Month Yr.-to-Date Cumulative
- 11. IIours In Reporting Period 744 5,087 58,103 12.
Number of Ilours Reactor Was Critical 744 4,875.7~
46,501.8
- 13. Reactor Reserve Shutdown llours 0
13.2 5,653
- 14. Ifours Generator On-Line 744 4,862.8_
45,733.3
- 15. Unit Reserve Shutdown Hours 0
0 0
16.
Gross Thermal Energy Generated (MWII) 1,743,077 13,411,706 119,723,902 17.
Gross Electrical Energy Generated (MWH) 575,171 4,467,570 39,701,647
- 18. Net Electrical Energy Generated (MWH) 540,869 4,236,352 37.641,251 19.
Unit Service Factor 100 95.6 78.7
- 20. Unit Availability Factor 100 95.6 78.7 21.
Unit Capacity Factor (Using MDC Net) 79.5 91.0 71.8 22.
Unit Capacity Factor (Using DER Net) 80.1 91.8 71.4
- 23. Unit Forced Outage Rate 0
0 9.6 24.
Shutdowns Scheduled Over Next 6 Months (Type, Date, and Duration of Each):
Refueling Outage 8-16-87, 48 days 25.
If Shut Down At End Of Report Period, Estimated Date of Startup:
- 26. Units In Test Status (Prior to Commercial Operation):
l Forecast Achieved INITIAL CRITICALITY INITIAL ELECTRICITY COMMERCIAL OPERATION
AVERAGE DAILY UNIT POWER LEVEL DOCKET NO.
50-339 l
UNIT NA-2 DATE 08-03-87 COMPLETED BY Brenda Garner TELEPHONE 703-894-5151X2527 MONTH July, 1987 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net)
(MWe-Net) 1 1
833 17 723 l
2 803 18 720 3
800 19 720 l
4 798 20 716 5
799 21 692 6
794 22 691 7
770 23 687 8
769 24 684 9
764 25 681..
10 762 26 673 I
(
l' 11 757 27 667 12 754 28 635 13 730 29 645 14 731 30 644 j
15 730 31 642
}
16 725 INSTRUCTIONS On this format, list the average daily unit power level in MWe-Net for each day in the reporting month.
Compute to the nearest whole megawatt.
I
1 l
1 l
(-
i Page 1
of 1-UNIT SHUTDOWN AND POWER REDUCTIONS I
EXPLANATION SKEET-DOCKET NO.
50-339 REPORT MONTH July UNIT NAME NA-2 l
YEAR
'1987 DATE 08-03-87 1
COMPLETED BY Brenda Garner No Entry This Month
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C NORTH ANNA POWER STATION UNIT NO.
2 MONTH July
SUMMARY
OF OPERATING EXPERIENCE l
Listed below in chronological sequence is a summary of operating experiences for this month which required load reductions or resulted in significant non-load related incidents.
DATE TIME DATA July 1, 1987 0000 Began the month with Unit at 880 MW - 92% power, power coast down due to zero boron.
2155 Commenced rampdown of 30 MW to match average temperature (Tave) to reference temperature a
^
(Tref), due to zero boron.
2350 Unit stablirled at 850 MW - 88% power.
July.6, 1987 2125 Commenced rampdown of 35 MW to match Tave to Tref, due to zero boron.
2145 Unit stabilized at 815 MW - 85% power.
July 12, 1987 2200 Commenced rampdown o; 35 MW to match Tave to Tref, due to zero boron.
2345 Unit stabilized at 780 MW - 81% power.
July 21, 1987 0050 Commenced rampdown of 30 MW to match Tave to Tref, due to zero boron.
0305 Unit stabilized at 735 MW - 76%,ower.
July 27, 1987 1920 Commenced rampdown of 25 MW to m ach Tave to Tref, due to zero boron.
2300 Unit stabilized at 690 MW - 72% puer.
July 31, 1987 2400 Ended the month with Unit at 680 MW -
72% power, due to zero boron.
)
l 4
VIHOINIA ELECTHIC AND POWEH COMi%NY HicuMown, VinoxxiA ener>t August 12, 1987 W 1,.STnwAur j
VICE PNEmitsEWT Nt;C8. EAR oPENATIONN U.S. Nuclear Regulatory Commission Serial No.87-480 Attention: Document Control Desk N0/DJV:jmj Washington, D.C.
20555 Docket Nos.
50-338 50-339 i
License Nos. NPF-4 NPF-7 Gentlemen:
VIRGINIA ELECTRIC AND POWER COMPANY NORTH ANNA POWER STATION UNITS 1 AND 2 MONTHLY OPERATING REPORT Enclosed is the Monthly Operating Report for North Anna Power Station Units 1 and 2 for the month of July 1987.
Very truly yours, (N
N W. L. Stewart Enclosures l
ec: USNRC 101 Marietta Street, NW Suite 2900 Atlanta, GA 30323 Mr. J. L. Caldwell NRC Senior Resident Inspector North Anna Power Station j
l i
l W--_..-___._______________