ML20072B213

Monthly Operating Repts for Jul 1994 for Beaver Valley Power Station

ML20072B213
Person / Time
Site:	Beaver Valley
Issue date:	07/31/1994
From:	David Jones, Noonan T DUQUESNE LIGHT CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NUDOCS 9408160044
Download: ML20072B213 (11)

Text

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.. . .. 1 N An T4l5 l Telephone (412) 393-6000 Nuclear Group i P.O. Bom 4 Sh<ppingport PA 15077-0004 )

August 8,1994 t

t Beaver Valley Power Station Unit 1 - Docket Nc. 50-334, License No. DPR-66 Unit 2 - Docket No. 50-412, License No. NPF-73 '

Monthly Operatine Reoort i

U. S. Nuclear Regulatory Commission Document Control Desk Washington, D.C. 20555 Gentlemen:

In accordance with Appendix A, Technical Specifications, the Monthly Operating Report is submitted for Unit I and Unit 2 for the month of July,1994.

Respectfully, T. P. Noonan Division Vice President, Nuclear Operations /

Plant Manager DTJ/mmg [

i Enclosures

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cc: NRC Regional Office King of Prussia, PA 1hJDg.g .

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!UGRATIVE SUtRRY OF 10tfniLY OPERATD1G EXPERIDJCE UNIT 1 JULY 1994 July 1 The Unit was in Mode 5 at the beginning of the report period through to complete replacement of the Main Transformer.

July 4 July 5 Follcuirq replacerrent of the Main Transformer, the Unit comnenced to heatup arri entered Mode 4 at 2121 hours0.0245 days <br />0.589 hours <br />0.00351 weeks <br />8.070405e-4 months <br />.

July 6 Mode 3 was entered at 1250 hours0.0145 days <br />0.347 hours <br />0.00207 weeks <br />4.75625e-4 months <br />. )

July 7 h e Unit remained in Mode 3 in preparation for entering McKie 2.

July 8 Mode 2 was entered at 0139 hours0.00161 days <br />0.0386 hours <br />2.29828e-4 weeks <br />5.28895e-5 months <br /> and the reactor was taken critical at 0251 hours0.00291 days <br />0.0697 hours <br />4.150132e-4 weeks <br />9.55055e-5 months <br />. Mode 1 was entered at 0915 hours0.0106 days <br />0.254 hours <br />0.00151 weeks <br />3.481575e-4 months <br />. At 0918 hours0.0106 days <br />0.255 hours <br />0.00152 weeks <br />3.49299e-4 months <br /> the Main Unit Generator was synchronized to the electrical grid and a gradual increase in power was commenced.

July 9 2e Unit continued a gradual increase in power towards 100%

output.

July 10 h e Unit achieved approximately 100% output at 0600 hours0.00694 days <br />0.167 hours <br />9.920635e-4 weeks <br />2.283e-4 months <br />.

July 11 h e Unit operated at a nominal value of 100% output.

through July 18 July 19 'The Unit continued to operate at a nominal value of 100% output x *il 1610 hours0.0186 days <br />0.447 hours <br />0.00266 weeks <br />6.12605e-4 months <br /> when a reactor trip occurred due to a frarator and turbine trip causal by an electrical fault at the ,

Main Transformer. We electrical fault was caused by a i flashover of the "c" phase high voltage bushiry following activation of the transformer deluge spray system. We Unit -

was subsequently stabilized in Mode 3.

July 20 h e Unit remained in Mode 3 to facilitate repairs to the Main '

through Transformer.

July 24 1

July 25 At 0100 hours0.00116 days <br />0.0278 hours <br />1.653439e-4 weeks <br />3.805e-5 months <br /> a cool down was comenced due to low river water '

ficw through the "A" Train Recirculation Spray Heat Exchangers. We cool down to Mode 5 was 11titiated to allow cleaning of debris frcn the fculed "C" Recirculation Spray Heat Exchanger which occurred during River Water Pu::p testing.

July 26 Mcde 4 was entered at 1007 hours0.0117 days <br />0.28 hours <br />0.00167 weeks <br />3.831635e-4 months <br />. Mode 5 was entered at 1806 heurs.

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. 1 NARRATIVE

SUMMARY

OF  ;

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!Off1HLY OPERATE 1G EXPERIH4CE UNIT 1 JULY 1994 (continued)

July 27 'Ihe Unit remained in Mode 5 to facilitate cleaning of the "C" through Recirculation Spray Heat Exchanger while repairs also continued July 30 on the Main Transformer.

July 31 Follcuiry completion of repairs to the Main Transformer and cleaniry of the "C" Recirculation Spray Heat Exchanger, the Unit commenced to heatup and entered Mode 4 at 0750 hours0.00868 days <br />0.208 hours <br />0.00124 weeks <br />2.85375e-4 months <br />. 'Ihe Unit entered Mcde 3 at 1416 hours0.0164 days <br />0.393 hours <br />0.00234 weeks <br />5.38788e-4 months <br /> and remained in Mode 3 for the remainder of the report period.

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l AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 50-334 UNIT BVPS Unit 1 DATE Auctust 2, 1994 i COMPLETED BY David T. Jones ~

TELEPHONE (412) 393-7553 1

MOtml July 1994 j

l DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY P0iER LEVEL (MWe-Net) (MWe-Net) 1 0 17 821 2 0 18 813 3 0 19 543  !

4 Q 20 0 5 0 21 0 6 _

0 22 0 7 0 23 0 8 140 24 0 9 499 25 0 10 746 26 0 11 _

825 27 0 12 813 28 0 13 813 29 0 14 808 30 0 15 813 31 0 16 817 INSIRUCTIONS On this form, list the average daily unit power Ievel MWe-Net for each day in the reporting month. Compute to the nearest whole megawatt.

. , ,. & ,, ~. . - -a~- -. - . - ,,-- .-. - . . . - -

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OPERATING DATA REPORT DOCKET NO.: 50 334 REPORT DATE: 08/ 03/94 COMPLETED BY: David T. Jones ,

TELEPHONE: (412) 393-7553 OPERATING STATUS

1. UNIT NAME: BEAVER VALLEY POWER STATION, UNIT 1 Notes

2. REPORTING PERIOD: JULY 1994

3. LICENSED THERMAL POWER (MWt): 2652

4. NAMEPLATE RATING (Gross MWe): 923

5. DESIGN ELECTRICAL RATING (Net MWe): 835

6. MAX DEPENDABLE CAPACITY (Gross MWe): 860

7. MAX. DEPENDABLE CAPAPITY (Net MWe): 810

8. IF CHANGES OCCUR IN CAPACITY RATINGS SINCE LAST REPORT, GIVE REASONS:

9. POWER LEVEL TO WHICH RESTRICTED, IF ANY (Net MWe): None

10. REASONS FOR RESTRICTIONS, IF ANY: N/A THIS MONTH YEAR TO DATE CUMULATIVE ,

11. HOURS IN REPORTING PERIOD: 744.0 5087.0 159983.0

12. NO. OF HRS. REACTOR WAS CRITICAL: 277.3 3370.4 102901,.3 .

13. REACTOR RESERVE SHUTDOWN HOURS: 0.0 0.0 4482.8-

14. HOURS GENERATOR WAS ON LINE: 270.9 3350.1 100893.3

15. UNIT RESERVE SHUTDOWN HOURS: 0.0 0.0 0.0

16. GROSS. THERMAL ENERGY GEN. (MWH): 670158.0 8663360.0 242068836.5

17. GROSS ELECT. ENERGY GEN. (MWH): 215830.0 2822370.0 77979893.0

18. NET ELECTRICAL ENERGY GEN. (MWH): 191770.0 2632870.0 72852390.0

19. UNIT SERVICE FACTOR: (PERCENT) 36.4 65.9 64.9

20. UNIT AVAILABILITY FACTOR:(PERCENT) 36.4 65.9 64.9

21. UNIT CAPACITY FACTOR (MDC): PCT 31.8 63.9 58.7 ,

22. UNIT CAPACITY FACTOR (DER): PCT 30.9 62.0 56.9

23. UNIT FORCED OUTAGE RATE: (PERCENT) 63.6 34.1 16.6

24. SHUTDOWNS SCHEDULED OVER NEXT SIX MONTHS (TYPE,DATE,AND DURATION OF EACH):

The Unit is scheduled to shutdown for its tenth refueline outare on October 14. 1994. The refueline outete is scheduled to last for 70 days.

25. IF SHUT DOWN AT END OF REPORT PERIOD, ESTIMATED DATE OF STARTUP: 08/02/94

26. UNITS IN TEST STATUS (PRIOR TO COMMERCIAL OPERATION):

FORECAST ACHIEVED INITIAL CRITICALITY N/A N/A INITIAL ELECTRICITY N/A N/A COMMERCIAL OPERATION N/A N/A

,we- p .- -

e -- r - -, .--

UNIT SHUTDOWNS AhD POWER REDUCTIows (220%) Docket 4o. 50-334 Unit Name BVPS Unit #1

• Date August 3. 1994 Comrteted By David T. Jones REPORT MONTH JULY 1994 Teinwone (412) 393-7553

_y_________,___________.. __.._________ _ _ _ _ _ _ _ _ _ _ , ___ - _,__ - _ _ _ _ _ _ _ _ _ _

Method of Licensee Cause & Corrective Duration Shutting Event System Component Action to No. Date Typel (Hours) Reason 2 Down Reactor 3 Report # Code 4 Code 5 Prevent Recurrence 8 940701 F 177.3 A 4 1-94-005 EG TRANSF The Unit remained shutdown to complete replacement of the Main Transformer.

9 940719 F 295.8 A 3 1-94-008 EG TRANSF A reactor trip occurred while at 100% output due to a generator and turbine trip caused by an electrical fault at the Main Transformer. The electrical fault was caused by a flashover of the "C" phase high voltage bushing following activation of the transformer deluge spray system.

1 2 3 4 F-Forced Reason: Method: Exhibit F-Instructions for S-Scheduled A-Equipment failure (Explain) 1-Manual Preparation of Data Entry Sheets 8-Maintenance or Test 2-Manual Scram for Licensee Event Report (LER) File C-Refueling 3-Automatic Scram (NUREG0161).

D-Regulatory Restriction 4-Cont'd. from Previous Month E-Operator Training & License Exam 5-Reduction 5 F-Administrative 9 Other Exhibit H-Same Source.

G-Operational Error (Explain)

H-Other (Explain)

NAPRATIVE SUPEARY OF ITWIHLY OPERATING EXPERIDCE UNIT 2 JULY 1994 July 1 The Unit operated at a nominal value of 100% output.

throtqh July 4 July 5 With unusually warm atmospheric conditions present, periodic load reductions to a minimum output of approximately 97% were commenced at 1238 hours0.0143 days <br />0.344 hours <br />0.00205 weeks <br />4.71059e-4 months <br /> to stabilize condenser hotwell corditions. Once corditions in the condenrer hotwell had improved, the Unit returned to full power at 2400 hours0.0278 days <br />0.667 hours <br />0.00397 weeks <br />9.132e-4 months <br />.

July 6 With continuing warm atmospheric conditions still present, periodic load reductiors to a minimum output of approximately 92.5% were commenced at 1129 hours0.0131 days <br />0.314 hours <br />0.00187 weeks <br />4.295845e-4 months <br /> to stabilize condenser hotwell conditions.

July 7 Once conditions in the condenser hotwell had improved, the Unit was returned to full power at 0252 hours0.00292 days <br />0.07 hours <br />4.166667e-4 weeks <br />9.5886e-5 months <br />. With continuing warm atmospheric conditions present later in the day, periodic load reductions to a mininum output of approximately 97% were ccamenced at 1435 hours0.0166 days <br />0.399 hours <br />0.00237 weeks <br />5.460175e-4 months <br /> to stabilize ,

condenser hotwell conditions. Once conditions in' the condenser hotwell had improved, the Unit was returned to full power at 2200 hours0.0255 days <br />0.611 hours <br />0.00364 weeks <br />8.371e-4 months <br />.

July 8 With continuing warm atmospheric conditions still present, periodic load reductions to a mininum output of approximately 97.5% were comenced at 1300 hours0.015 days <br />0.361 hours <br />0.00215 weeks <br />4.9465e-4 months <br /> to stabilize condenser hotwell conditions. Once conditions in the condenser hotwell had inputed, the Unit was returned to full power at 2230 hours0.0258 days <br />0.619 hours <br />0.00369 weeks <br />8.48515e-4 months <br />.

July 9 'Ihe Unit operated at a nominal value of 100% output.

thrm3h July 19 July 20 With unusually wam atnospheric conditions present, pericdic load reductions to a mininum output of approximately 94% were commenced at 1205 hours0.0139 days <br />0.335 hours <br />0.00199 weeks <br />4.585025e-4 months <br /> to stabilize condenser hotwell conditions.

July 21 Once conditions in the condenser hotwell had impnwed, the Unit was returned to full power at 0108 hours0.00125 days <br />0.03 hours <br />1.785714e-4 weeks <br />4.1094e-5 months <br />. -With continuirg warm atmospheric conditions present later in the '

day, periodic load reductions to a mininum output of approximately 98.5% were commenced at'1819 hours0.0211 days <br />0.505 hours <br />0.00301 weeks <br />6.921295e-4 months <br /> to stabilize condenser hotwell conditions. Once conditions in the condenser. hotwell had inproved, the Unit was returned to full power at 2000 hours0.0231 days <br />0.556 hours <br />0.00331 weeks <br />7.61e-4 months <br />.

NARRATIVE SU NARY OF 1

!OtTIHLY OPERATDG EXPDUDICE  !

UNIT 2 1 JULY 1994 (Continued)

July 22 'Ihe Unit operated at a rxninal value of 100% output.

through July 28 July 29 At 1200 hours0.0139 days <br />0.333 hours <br />0.00198 weeks <br />4.566e-4 months <br /> the Unit reduced output to approxirately 95%

to facilitate repair of the outlet drain valve for the "A" Separator Drain Pump Discharge Invel control Valve.

July 30 Following completion of repairs, the Unit returned to a nominal value of 100% output at 0300 hours0.00347 days <br />0.0833 hours <br />4.960317e-4 weeks <br />1.1415e-4 months <br />.

July 31 'Ihe Unit operated at a ncminal value of 100% output for the remainder of the report period.

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AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 50-412 UNIT BVPS Unit 2 DATE Auaust 2, 1994 CIMPLEITD BY David T. Jones TELEPHONE (412) 393-7553

!Otml July 1994 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER IEJE (MWe-Net) (We-Net) 1 825 17 817 2 819 18 813 3 822 19 813 4 814 20 788 5 800 21 807 6 779 22 814 7 802 23 813 8 804 24 812 9 809 25 316 10 824 26 820 11 828 27 823 12 821 28 823 13 815 29 806 14 815 30 819 15 812 31 817 16 819 INSTRUCTIONS On this form, list the average daily unit power level W e-Net for each day in the reportirg month. Compute to the nearest whole megawatt.

OPERATING DATA REPORT DOCKET NO.: 50-412 REPORT DATE: 08/03/94 COMPLETED BY: David T. Jones TELEPHONE: (412) 393-7553 OPERATING STATUS

1. UNIT NAME: BEAVER VALLEY POWER STATION, UNIT 2 Notes

2. REPORTING PERIOD: JULY 1994

3. LICENSED THERMAL POWER (MWt): 2652 -

4. NAMEPLATE RATING (Gross MWe): 923

5. DESIGN ELECTRICAL RATING (Net MWe): 836

6. MAX. DEPENDABLE CAPACITY (Gross MWe): 870

7. MAX, DEPENDABLE CAPACITY (Net MWe): 820

8. IF CHANGES OCCUR IN CAPACITY RATINGS SINCE LAST REPORT, GIVE REASONS:

9. POWER LEVEL TO WHICH RESTRICTED, IF ANY (Net MWe): None

10. REASONS FOR RESTRICTIONS, IF ANY: N/A THIS MONTH YEAR TO DATE CUMULATIVE

11. HOURS IN REPORTING PERIOD: 744.0 5087.0 58766.0

12. NO. OF HRS. REACTOR WAS CRITICAL: 744.0 4821.2 50151.5

13. REACTOR RESERVE SHUTDOWN HOURS: 0.0 0.0 0.0

14. HOURS GENERATOR WAS ON LINE: 744,0 4808.0 49804.6

15. UNIT RESERVE SHUTDOWN HOURS: 0.0 0.0 0.0

16. GROSS THr.RMAL ENERGY GEN. (MWH): 1954090.0 12613557.0 122845442.0

17. GROSS ELECT. ENERGY GEN. (MWH): 637778.0 4201655.0 39853660.0

18. NET ELECTRICAL ENERGY GEN. (MWH): 604923.0 3985884.0 37636163.0

19. UNIT SERVICE FACTOR: (PERCENT) 100.0 94.5 84,8

20. UNIT AVAILABILITY FACTOR:(PERCENT) 100.0 94.5 84.8

21. UNIT CAPACITY FACTOR (MDC): PCT 99.2 95.6 77.6

22. UNIT CAPACITY FACTOR (DER): PCT 97.3 93.7 76.6

23. UNIT FORCED OUTAGE RATE: (PERCENT) 0.0 5.5 3.2 24 SHUTDOWNS SCHEDULED OVER NEXT SIX MONTHS (TYPE,DATE,AND DURATION OF EACH):

25. IF SHUT DOWN AT END OF REPORT PERIOD, ESTIMATED DATE OF STARTUP:

26. UNITS IN TEST STATUS (PRIOR TO COMMERCIAL OPERATION):

FORECAST ACHIEVED-INITIAL CRITICALITY N/A N/A  !

INITIAL ELECTRICITY N/A N/A I COMMERCIAL OPERATION N/A N/A l I

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UNIT SHUTDOWNS AhD POWER REDUCTIONS (220%) D oc ke t No. 50-412 Unit Name BVPS Unir 82

• Date August 3. 1994 Completed By David t. Jones REDORT MONTH JULY 1994 Telephone (412) 393-7553 Method of Licensee Cause & Corrective Duration Shutting Event System Component Action to No. Date Typet (Hours) Reason 2 Down Reactor 3 Report

• Code 4 Codes Prevent Recurrence NONE 1 2 3 4 F-Forced Reason: Method: Exhibit F-Instr >Jitions for S-Scheduled A-Equipment Failure (Explain) 1-Manual Preparation cf data Entry Sheets B-Maintenance or Test 2 Manual Scram for Licensee Esent Report (LER) File C-Refueling 3-Automatic Scram (NUREG0161).

D-Regulatory Restriction 4-Cont'd. from Previous Month E-Operator Training & License Exam 5-Reduction 5 F-Administrative 9-Other Exhibit H-Same Source.

G-Operational Error (Explain)

H-Other (Explain)

_ _ - _ _ - _ _ _ - _ - _ _ _ _ _ _ _ _ _ . _ - - - _ _ _ _ _ _ _ _ - _ - . - .