ML20079D613
| ML20079D613 | |
| Person / Time | |
|---|---|
| Site: | North Anna  |
| Issue date: | 06/30/1991 |
| From: | Mladen C, Stewart W VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.) |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| References | |
| 91-382, NUDOCS 9107180317 | |
| Download: ML20079D613 (15) | |
Text
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VluulNI A I51.1 CTitlC AN D l' owl:H CO kll'A N Y l{ t r il blo N D, Vilf ulNI A Vilu til July 15, 1991 U. S. Nuclear Regulatory Commission Serial No.
91 382 Attention: Document Control Desk NL&P/JMJ:Jmj Washington, D.C. 20555 Docket Nos.
50 338 50 339 License Nos. NPF 4 NPF 7 Gentlemen:
VIRGINIA ELECTRIC AND POWER COMPA[E NORTH ANP 4 POWER STATION UNITS 1 AND 2 MONTHLY
,PER ATING REPORT Enclosed is the Monthly Operating Report for North Anna Power Station Units 1 and 2 for the month of June 1991. Also enclosed are two corrections to the March and May 1991 Monthly Operating Reports for North Anna Unit 1.
Very tru y.yours, ISs4 W. L. Stewart Senior V.ce President - Nuclear Enclosures cc:
U.S. Nuclear Regulatory Commis ion 101 Marietta Street, NW Suiie 2900 Atlanta, GA 30323 Mr. M. S. Lesser NRC Senior Resident inspector North Anna Power Station
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VIRGINIA POWER COMPANY NORTH ANNA POWER STATION HONTHLY OPERATING REPORT MONTH:
J ttng._
YEAR:,_.1991.
t Approved:
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CP(dATIhG DafA RfPORf D0ctil No.:
50 338 Dottfi ko.:
50 338 CAf t s.'vly 8, '991 COMPL(l[D ST:
C. Mladen OPERAflNG $TATUS 1.
Un i t k ame s................................ N o r t h A nna 1 2.
Reporting Periodr......................... June 1991
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3.
Licensed Thttmat Power (MWt).............
2,893
- 6. Canept at e Rat ing (Gross MWe).............
947 5, Design (tectrical Rating (Net MWe).......
907 6.
Caniman Dependable Copacity (Gros 6 MWe)..
959 s
- 7. Qaalrue Dependable Capacity (Net MWe)....
911 8.
If chwnges occur in Capacity Ratings (Itema No. 3 thru 7) since last report, give reasons:
N/A 9.
Power level to which restricted, if any (Net MWe): _ N/A
- 10. Peasons for restrictions, if any:
N/A This Month YtD CwmJtative
- 11. Hours in Reporting Period................................
720.0 4,343.0 114,155.0 12, NJnt>er of Hours R eac t or was Cr i t i c a l.....................
720.0 2,002.6 e;,793.5
- 13. Reactor Reserve thutdown Hours...........................
0.0 42.0 6.645.6
- 14. Hours Generator 0n Line..................................
720.0 2,664.4 79,884.4
- 15. Unit Reserve shutdown Hours..............................
0.0 0.0 0.0
- 16. Cross Thermal Energy Generat ed (MWM)..................... 2,081,856.1 6,901,921.8 211,888,157.8
- 17. Gross Elec t rical Energy Genera t ed (MWH)..................
685,857.0 2,269,963.0 69,611,301.0
- 18. Net E lect r i cal Energy Generat ed (MWM)....................
652,414.0 2,152,539.0 65,881,291.0 19, Unit service factor......................................
100.0%
61.3%
70.0%
- 20. Unit Availability Factor.................................
100.0%
61.3%
70.0%
- 21. Unit capacity factor (using MDC Net).....................
99.5%
54.4%
64.5%
- 23. Unit Capacity factor (using Ott Net).....................
99.9%
$4.6%
63.6%
- 23. Forced Outage Rate..................
0.0%
11.0%
12.5%
- 24. Shutdowns scheduled Over Nest 6 Months (Type, Date, and Duration of tach): _None
- 35. If $hutdown at end of Report Period, estimated time of Startup:
N/A
- 24. Units in fest Status (Prior to Corcercial Operation):
Forecast Achieved INITIAL CRiflCAtlfY INITIAL ELECTRICITY COMMERCIAL OPERAll0N
1 AVERAGE DAILY UNIT POWER LEVEL Doe.ket No.
50-318 Unitt NA-1 Date July 8, 1991 Completid by:
C. filaden Phones (703) 8.14-2774 MONTH:
June 1991 DAY AVERAGE DAILY POWER DAY AVERAGE DAILY LEVEL LEVEL (MWe-Net)
LEVEL (MWe-Net) 1 894 17 905 2
906 18 906 3
905 19 906 4
906 20 907 5
9 Q.7 21 906 6
908 22 906 7
911 23 906 8
909 24 907 9
910 25 907 10 907 26 908 11 907 27 907 12 908 28 898 __
13 906 29 907 14 906 30 906 15 906 16 906 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 negawatt.
t l
1
~'
1 DOCKET NO.:
50-338 j
UNIT NAME:
NA-1' l
DATE:
July 8, 1991 REPORT MONTH: June 1991 COMPLETED BY:
C. Mladen, j
PHONE:
(703) 894-2774 i
1 l
UNIT SHUTDOWNS AND POWER REDUCTIONS s
i i_
1 2
3 4
5 l No.
Date Type Duration Reason Method of Licensee System Component cause & Corrective (hrs)
Shutting Event Code Code Action to Down Reactor Report /
Prevent Recurrence ONo entry this month i
, 1: Type 2: Reason 3: Method 4:
ll F= Forced A= Equipment Failure (explain) 1= Manual Exhibit F - Instructions i
S= Scheduled B= Maintenance or Test 2= Manual Scram for preparation of Data C= Refueling 3= Automatic'Scran Entry Sheets for Licensee D= Regulatory Restriction 4= Continuations Event Report (LER) File E= Operator Training &' License Examination 5= Load Reduction (NUREG-0161)
F= Administrative 9=Other G= Operational Error 5:
H=Other'(explain)
Exhibit H - Same Source i'
J-i i-I.
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. - -.. ~,. _ _ _ _ _. _ _
a
Page 1
o f _ _1 UNIT SHUTDOWN AND POWER REDUCTIONS Explanation heet Docket No.:
50-338 Report Month Bul_q Unit Name NA-1 Yeart __2331_,
Date Aily 8, 1991 Completed by:
Cathia Mladen
- No entry this month.
l
,---=--,-m m--
4 NORTH ANNA POWER STATION UNIT No.:
1 MONTH:
_JMpe Page 1 of 1 REMMARY OF OPERATING EXPERIIHRE 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 Juno 01, 1991 0000 Began ronth with unit at 100%, 936 MWo.
June 28, 1991 0905 Commenced unit ramp-down for TVFT.
1000 Unit stable at 870MWo.
1054 TVFT completed satisfactorily.
1056 Commenced unit ramp-up.
1242 Unit stable at 98.72% with all main turbine valves full open.
Commencing 1-TOP-31.3 to bypass a portion of feedwater to first point feedwater heators to allow unit to reach 100%.
1507 Unit stable at 100% power, 954MWe.
June 30, 1991 2400 Ended month at 100%, 954MWo.
l OrERAltkG DAT A REPDR1 i
I DottEl h0.2 50 339 DAl[ July 8, 1991 COMPLETED Bf:
C. Mladen PHDkts (703) 894 2774 OPERAtlhG STA1US 1.
Un i t W ane s................................ W o r t h A nno 2 2.
R e por t i ng P e r i od s......................... J une 1991 3.
Li c ensed t hernet Power (MWt ).............
2893 4.
N ameplate Rat ing (Gross MWe).............
947 5.
Design Electrical Rating (Net MWe).......
907 6.
MaximJn Dependable Capacity (eross MWe)..
957 7.
Maatnorn Dependable Capacit y (Net MWe)t....
909 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 (het MWe): ___N/A
- 10. Reasons for restrictions, if any:
N/A This Month Y-t-D Cumulative
- 11. H our s i n R e po r t i ng Pe r i od..............................
720.0 4,1 3.0 92,423.0
- 12. WJ,ber of Hours Reactor was Critical.....................
720.0 4,343.0 75,4 77.3
- 13. R eac t or R eserve Shut down Hour s...........................
0.0 0.0 5,949.6
- 14. Hours Generator on Line..................................
720.0 4,343.0 74,577.3
- 15. Unit Reserve Shutdown Hours..............
0.0 0.0 0.0
- 16. Gr os s T hermal E nergy Gener at ed (MWH )..................... 2,082,244.6 12,557,168.3 199,806,281.7
- 17. Gross Electrical Energy Generated (HWH)..
683,B68.0 4,154,689.0 65,457,275.0
- 18. Net Electrical Energy Generated (MWH).......
649,T34.0 3,955.322.0 62,770,802.0
- 19. Unit Service Factor...............
100.0%
100.0%
80.7%
- 20. Uni t Aval t abi l i t y F ac t o................................
100.0%
100.0%
S0.7%
- 21. Unit Capacity F ac tor (us ing MDC Net ).........
99.3%
100.2%
75.5 %
- 22. Unit capaci ty F ac tor (using DER het ).............
99.5%
100.4%
74.9%
2 3. F o r c ed Out a g e R a t e......................................
0.0%
0.0%
6.0%
- 24. Shutdowns Scheduled Over Went 6 Months (Type, Date, and Duration of Each):,,None
- 25. If Shutdosn at end of Report Period, estimated time of Startup:
N/A
- 26. Units in Test Status (Prior to Connercial Operation):
Forecast Achieved INiflAL CRITICAll1Y IN111AL ELECTRIC 11Y COMMERCIAL OFERATION
AVERAGE DAILY UNIT POWER LEVEL Docket No.:
50-339 Unit NA-2 Dates
,_ July 8, 1991 Completed by:
C.
Mladen Phones (703) 894-2774 MONTH: -. June 199.1__
DAY AVERAGE DAILY POWER DAY AVERAGE DAILY LEVEL LEVEL (MWe-Net)
LEVEL (MWe-Net) 1 903 17 901 2
903 18 901 3
903 19 902 l
4 903 20 902 5
905 21 902 6
906 22 901 7
896 23 902 8
907 24 902 9
905 25 903 10 904 26 902 11 904 27 903 12 903 28 902 13 902 29 902 14 902 30 900 15
._.9 0 2 16 901 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.
~
1:
i-DOCKET NO.:
50-339 UNIT NAME:
NA-2 DATE: July 8, 1991 REPORT MONTH: June 1991 COMPLETED BY:
C. Mladen i
PHONE:
(703)-894-2774 l
i.
1 2
3 4
5 1 No.
Date' Type Duration Reason Method of Licensee Systen Component Cause & Corrective (hrs)
Shutting Event Code Code Action to Down Reactor Report #
Prevent Recurrence l ONo entry this nonth, l
l j 1: Type 2: Reason 3: Method 4:
F= Forced A= Equipment Failure (explain) 1= Manual Exhibit F - Instructions S= Scheduled B= Maintenance or Test 2= Manual Scran for preparation of Data C= Refueling 3= Automatic Scram Entry Sheets for Licensee D= Regulatory Restriction 4= Continuations Event Report (LER) File E= Operator Training & License Examination 5= Load Reduction (NUREG-Ol61)
F= Administrative 9=Other G= Operational Error 5:
)
H=Other (explain)
Exhibit H - Same Source i
J
4 Page 1
o f _ _.1 UNIT SHUTDOWN AND POWER REDUCTIONS Explanation Sheet Docket No.
50-339 Report Month June Unit Namet NA-2 Yeart 1991 Date: July 8.
1991 Completed by:
Cathie Mladen
- No entry this month
NORTH ANNA POWER STATION UNIT NO.I 2
MONTilt May Page 1 of 1
SUMMARY
OF OPE _ BATING EKEERIENCE Listed below in chronological sequence is a
summary of oporating experiences for this month which required load reductions or resulted in significant non-load related incidents.
Ra.ig Time Ra_la June 01, 1991 0000 Began month with unit at 100%, 951 MWo.
June 07, 1991 0905 Commenced unit ramp-down for TVFT.
1005 Unit stable at 882MWo.
1058 TVFT completed satisfactorily.
1152 Commenced unit ramp-up to 100%.
1515 Unit stable at 100%.
June 30, 1991 2400 Ended month with unit at 100%,
943MWe.
[
1
Corrected Pages for March and May 1991 North. Anna Unit 1 Monthly Operating Reports
UNIT SHUTDOWNS AND POWER REDUCTIONS i
I.
~
DOCKET NO.:
50-338 UNIT NAME:
NA-1 i
DATE: April 1, 1991 REPORT MONTH: March 1991 COMPLETED BY:
C. Mladen PHONE:
(703) 894-2537 1
2 3
4 5
No.
Date Type Duration Reason Method of Licensee System Component Cause & Corrective (hrs)
Shutting Event Code Code Action to Down Reactor Report #
Prevent Recurrence-i 4
91-01 910112 S
EFG 197 C
4 N/A N/A N/A S/G Maintenance planned l
l I
l 1: Type 2: Reason 3: Method 4:
.F= Forced
.A= Equipment Failure (explain) 1= Manual Exhibit F - Instructions S= Scheduled B= Maintenance or 1est 2= Manual-Scram for preparation of Data C= Refueling 3= Automatic Scram Entry Sheets for License D= Regulatory Restriction
- = Continuations Event Report (LER) File E= Operator Training & License Examination 5= Lead Reduction - (NUREG-0161)
F= Administrative 9=Other G= Operational Error 5:
H=Other-(explain)
Exhibit H - Same Source
UNIT SHUTDOWNS AND: POWER REDUCTIONS I
I DOCKET NO.:
50-335 UNIT MAME:
NA-1 DATE: June 3, 1991 l
REPORT MONTH: May 1991 COMPLETED BY:
C. Mladen PHOME:
(703) 894-2774
~
i t
s i
1 2
3 4
5 I
i l
No.
Date Type Durati>n Reason Method of Licensee System Component Cause & Corrective
(
(hrs)
Shutting Event Code
- Code Action to r
Down Reactor Report /
Prevent Recurrence f
F 91-02 910505 F
-e-47.8 B
9 N/A TB RLY Corrective maintenance l
on Main Generator -
[
i maintained reactor power 912% during
)
repairs i
1 3l 9
N/A AB ISV Increasing Unidentified i
91-03 910509 F
0 RCS Leakage -reduced reactor power to 930%
to investigate
{
91-04 910511 F h6-2 8 2. 7 B 1
N1-91-011 AB ISV Reactor shutdown due to RCS Pressure Boundary Leakage 1
i I:
jl: Type 2: Reason 3: Method 4.
l F= Forced A= Equipment Failure (explain) 1= Manual Exhibit F - Instructions S= Scheduled B= Maintenance or Test 2= Manual Scram for preparation of Data i
C= Refueling
'3= Automatic Scram Entry Sheets for Licensee D= Regulatory Restriction 4= Continuations Event Report (LER) File E= Operator Training & License Examination S= Load Reduction (NUREG-0161) l F= Administrative 9=Other G= Operational Error 5:
i Exhibit H - Same Source j
i,'
.