ML17305B461

Monthly Operating Repts for Mar 1991 for Palo Verde Units 1, 2 & 3.W/910411 Ltr

ML17305B461
Person / Time
Site:	Palo Verde
Issue date:	03/31/1991
From:	Chavet K, James M. Levine ARIZONA PUBLIC SERVICE CO. (FORMERLY ARIZONA NUCLEAR
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
254-01485-JML-K, 254-1485-JML-K, NUDOCS 9104160358
Download: ML17305B461 (33)

Text

ACCELERATED DISTRIBUTION DEMONSTRATION SYSTEM

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REGULATORY XNFORMATION DXSTRIBUTION SYSTEM (RXDS)

,ACCESSION NBR:9104160358 DOC.DATE: NOTARIZED: NO DOCKET FACIL:STN-50-528 Palo Verde Nuclear Station, Unit 1, Arizona Publi 05000528 STN-50-529 Palo Verde Nuclear Station, Unit 2, Arizona Publi 05000529 STN-50-530 Palo Verde Nuclear Station, Unit 3, Arizona Publi 05000530 AUTH. NAME AUTHOR AFFILXATION

.CHAVET,K.A. Arizona Public Service Co. (formerly Arizona Nuclear Power LEVINE,J.M. Arizona Public Service Co. (formerly Arizona Nuclear Power

'RECIP.NAME RECIPIENT AFFXLIATXON for tr.repts for Mar

SUBJECT:

Monthly o 1991 Palo Verde Units 1, 2 & 3.W 411 S DISTRIBUTION CODE: IE24D COPIES RECEIVED:LTR TITLE: Monthly Operating Report (per Tech Specs) g ENCL J SIZE: /

NOTES:STANDARDIZED PLANT 05000528 Standardized plant. 05000529 Standardized plant. P5PPP530 D D

RECIPIENT COPIES RECIPXENT COPIES ID CODE/NAME LTTR ENCL ID CODE/NAME LTTR ENCL S PD5 LA 3 3 PD5 PD 1 1 TRAMMELL,C 1 1 THOMPSON,M 1 1 INTERNAL: ACRS 10 10 AEOD/DOA 1 1 AEOD/DSP/TPAB 1 1 NRR/DLP.Q/LPZB1 0 1 1 NRR/DOEA/OEAB 1 1 ~REG FIRE~ OQg 1 1 RGN5 1 1 EXTERNAL EGGG BRYCE P J ~ H 1 1 NRC PDR 1 1 NSIC 1 1 J'NOTES: 1 1 S

D D

NOTE TO ALL "RIDS" RECIPIENTS:

PLEASE HELP US TO REDUCE WASTE! CONTACT THE DOCUMENT CONTROL DESK, ROOM Pl-37 (EXT. 20079) TO ELIMINATEYOUR NAME FROM DISTRIBUTION LISTS FOR DOCUMENTS YOU DON'T NEED!

TOTAL NUMBER OF COPIES REQUIRED: LTTR 26 ENCL 26

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Arizona Public Service Company PALO VERDE NUCLEAR GENERATING STATION P.O. BOX 52034 ~ PHOENIX, ARIZONA85072-2034 JAMES M. LEVINE 254-01485-JILL/KAC VICE PRESIDENT NUCLEAR PRODUCTION April 11, 1991 Docket Nos. STN 50-528/529/530 Document Control Desk U. S. Nuclear Regulatory Commission Mail Station Pl-37 Washington, D.C. 20555

Subject:

Palo Verde Nuclear Generating Station (PVNGS)

Units 1, 2, and 3 Monthly Operating Reports for March 1991 File: 91-024-404 Attached are the Monthly Operating Reports for March 1991, prepared and submitted pursuant to Specification 6.9.1.6 of Appendix A (Technical Specifications) to the Palo Verde Nuclear Generating Station, Units 1, 2, and 3 Operating Licenses. By copy of this letter, we are also forwarding the Monthly Operating Reports to the Regional Administrator of the Region V Office.

If you have any (602) 340-4718.

questions, please contact Mr. Kent A. Chavet, at Very truly yours, M. Levine ice President Nuclear Production JML/KAC/kac Attachment cc: J. B. Martin (all w/attachment)

D. H. Coe A. C. Gehr A. H. Gutterman INPO Records Center Utility Data Institute j.60024 910416035S 910331 ADOCK 05000528 PDR R PDR ~Em+

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NRC MONTHLY OPERATING REPORT DOCKET NO. 50-528 UNIT NAME PVNGS-1 DATE COMPLETED BY K.A. Chavet OPERATING STATUS

1. Unit Name: Palo Verde Nuclear Generatin Station Unit 1

2. Reporting Period: March 1991

3. Licensed Thermal Power (MWt): 3800

4. Nameplate Rating (Gross MWe): 1403

5. Design Electrical Rating (Net MWe): 1270

6. Maximum Dependable Capacity (Gross MWe): 1303

7. Maximum Dependable Capacity (Net MWe): 1221

8. If Changes Occur In Capacity Ratings (Item Numbers 3 Through 7)

Since Last Report, Give Reasons: N A Power Level to Which Restricted, If Any (Net MWe): None

10. Reasons For Restrictions, If Any: N A This Month Yr.-to-Date Cumulative

11. Hours in Reporting Period 744 2 160 45 336

12. Number of Hours Reactor Was Critical 744 0 1 317.5 22 77.7

13. Reactor Reserve Shutdown Hours 0 0 0.0 0 0

14. Hours Generator On-Line 744 0 1 308.9 22 062 5

15. Unit Reserve Shutdown Hours 0 0 0.0 0.0

16. Gross Thermal Energy Generated (MWH) 2 822 719 903 228 80 29 329

17. Gross Electrical Energy Generated (MWH) 987 800 1 715 900 2 888 500

18. Net Electrical Energy Generated (MWH) 934 194 1 609 391 26 122 043

19. Unit Service Factor 100 Oa 60.6% 48.7

20. Unit Availability Factor 100,0 60,6% 48 7

21. Unit Capacity Factor (Using MDC Net) 102.88 61.0a 47,2

22. Unit Capacity Factor (Using DER Net) 98.9a

23. Unit Forced Outage Rate 0 Oa 0.0s 24.0  %

24. Shutdowns Scheduled Over Next 6 Months (Type, Date and Duration of Each):

N A

25. If Shutdown At End of Report Period, Estimated Date of Start-up:

N A Forecast Achieved INITIAL CRITICALITY ~05 85 ~05 25 85 INITIAL ELECTRICITY ~06 85 06/610 85 COMMERCIAL OPERATION 11 85 ~01 28 86 1

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AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 50-528 UNIT NAME PVNGS-1 DATE COMPLETED BY K.A. Chavet MONTH: March 1991 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL 1250 17 1255 1256 18 1255 1256 19 1254 1255 20 1255 1251 21 1256 1256 22 1257 1258 23 1256 1258 24 1255 1257 25 1254 10 1257 26 1253 1256 27 1254 12 1259 28 1256 13 1257 29 1256 14 1253 30 1256 15 1258 1253 1256

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REFUELING INFORMATION DOCKET NO. 50-528 UNIT NAME PVNGS-1 DATE COMPLETED BY K A. Chavet

1. Scheduled date for next refueling shutdown.

02/01/92, 3rd refueling.

2. Scheduled date for restart following refueling.

04/11/92

3. Will refueling or resumption of operation thereafter require a Technical Specification change or other license amendment?

Yes, Sections 3.1.1, 3.1.2, 3.1.3, 3.2.4 and 3.2.7.

4. Scheduled date for submitting proposed licensing action and supporting information.

11/91

5. Important Licensing considerations associated with refueling, e.g., new or different fuel design or supplier, unreviewed design or performance analysis methods, significant changes in fuel design, and new operating procedures.

UlC4 is typical of PVNGS reload cycles.

6. The number of fuel assemblies.

a) In the core. 241 b) In the spent fuel storage pool. 188

7. Licensed spent fuel storage capacity. 1329 Intended change in spent fuel storage capacity. None

8. Projected date of last refueling that can be discharged to spent fuel storage pool assuming present capacity.

2004 (18 Month reloads and full core discharge capability).

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SUMMARY

OF OPERATING EXPERIENCE FOR THE MONTH DOCKET NO. 50-528 UNIT NAME PVNGS-1 DATE COMPLETED BY K.A. Chavet March 1991 03/01 00:00 Unit began the month in Mode 1, 100% RX power.

03/31 24:00 Unit ended the month in Mode 1, 100% RX power.

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SHUTDOWNS AND POWER REDUCTIONS March 1991 DOCKET NO 50-528 UNIT NAME PVNGS-1 DATE COMPLETED BY K.A. Chavet Outage Method of and Corrective Duration Shutting Code'omponent System Code'ause Action to No. Date Type'ours Reason Down Reactor~ LER No. Prevent Recurrence No Reactor Shutdowns or significant power reductions occurred during the month.

'F- Forced Reason: Method: 'Exhibit F-Instructions S-Scheduled A- Equipment Failure(Explain) 1-Manual for Preparation of the Data B-Maintenance or Test 2-Manual Scram Entry Sheets for Licensee C-Refueling 3-Automatic Scram Event Report (LER) File D-Regulatory Restriction 4-Continuation from (NUREG 0161)

E-Operator Training & License Previous Month Examination 5-Reduction of 20% or F-Administrative Greater in the Past Exhibit H-Same Source G-Operational Error 24 Hours H-Other (Explain) 9-Other- (Explain) 5

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NRC MONTHLY OPERATING REPORT DOCKET NO. 50-529 UNIT NAME PVNGS-2 DATE COMPLETED BY K.A. Chavet OPERATING STATUS

1. Unit Name: Palo Verde Nuclear Generatin Station Unit 2

2. Reporting Period: March 1991

3. Licensed Thermal Power (MWt): 3800

4. Nameplate Rating (Gross MWe): 1403

5. Design Electrical Rating (Net MWe): ~12 0

6. Maximum Dependable Capacity (Gross MWe): 1303

7. Maximum Dependable Capacity (Net MWe): 1221

8. If Changes Occur In Capacity Ratings (Item Numbers 3 Through 7)

Since Last Report, Give Reasons: N A

9. Power Level to Which Restricted, If Any (Net MWe): None 10 Reasons For Restrictions, If Any: N A This Month Yr.-to-Date Cumulative

11. Hours in Reporting Period 744 2 160 39 20

12. Number of Hours Reactor Was Critical 744.0 2 160.0 26 787.3 13 Reactor Reserve Shutdown Hours 0 0 0.0 0 0 14 Hours Generator On-Line 744.0 2 160.0 26 183.4 15 Unit Reserve Shutdown Hours 0.0 0.0 0.0 16 Gross Thermal Energy Generated (MWH) 2 797 277 8 158 397 95 879 798 17 Gross Electrical Energy Generated (MWH) 978 300 2 856 000 33 483 570 18 Net Electrical Energy Generated (MWH) 923 972 2 696 769 31 321 798 19 Unit Service Factor 100.0% 100 0 65 9%

20 Unit Availability Factor 100.0% 100.0% 65.9 21 Unit Capacity Factor (Using MDC Net) 101.7 102 3% 64 6 22 Unit Capacity Factor (Using DER Net) 97.8% 98 3% 62.1%

23 Unit Forced Outage Rate 0,0% 7 7 24 Shutdowns Scheduled Over Next 6 Months (Type, Date and Duration of Each):

N A

25. If Shutdown At End of Report Period, Estimated Date of Start-up:

N A Forecast Achieved INITIAL CRITICALITY ~03 86 ~04 18 86 INITIAL ELECTRICITY ~06 86 05 20 86 COMMERCIAL OPERATION ~11 86 ~09 19 86 6

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AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 50-529 UNlT NAME PVNGS-2 DATE COMPLETED BY K.A. Chavee MONTH: March 1991 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL 1249 17 1264 1257 18 1263 1257 19 1263 1255 20 1262 1253 21 1 61 1258 22 1263 1261 23 1262 1259 24 1261 1254 1258 10 785 26 1258 1259 27 1262 12 1264 28 1261 13 1265 29 1259 14 1263 30 1261 15 1262 31 1257 16 1264 7

REFUELING INFORMATION DOCKET NO. 50-529 UNIT NAME PVNGS-2 DATE COMPLETED BY K A. Chavet

1. Scheduled date for next refueling shutdown.

10/17/91, 3rd refueling.

2. Scheduled date for restart following refueling.

12/26/91 Mill refueling or resumption of operation thereafter require a Technical Specification change or other license amendment2 Yes, Sections 3.1.1, 3.1.2, 3.1.3, 3.2.4 and 3.2.7.

Scheduled date for submitting proposed licensing action and supporting information.

07/91

5. Important Licensing considerations associated with refueling, e.g., new or different fuel design or supplier, unreviewed design or performance analysis methods, significant changes in fuel design, and new operating procedures.

U2C4 is typical of PVNGS reload cycles.

6. The number of fuel assemblies.

a) In the core. 241 b) In the spent fuel storage pool. 204

7. Licensed spent fuel storage capacity. 1329 Intended change in spent fuel storage capacity. None Projected date of last refueling that can be discharged to spent fuel storage pool assuming present capacity.

2004 (18 Month reloads and full core discharge capability).

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SUMMARY

OF OPERATING EXPERIENCE FOR THE MONTH DOCKET NO. 50-529 UNIT NAME PVNGS-2 DATE COMPLETED BY K.A. Chavet March 1991 03/01 00:00 Unit began the month in Mode 1, 100% RX power.

03/09 22:00 Commenced power decrease to 50% RX power for planned maintenance of Feedwater Pump "B".

03/10 13:45 Commenced RX power increase.

03/10 17:44 Stopped power increase at 75% RX power due to problems with extraction drain pump.

03/10 20:10 Commenced RX power increase.

03/10 22:50 RX power back at 100%.

03/31 24:00 Unit ended the month in Mode 1, 100% RX power.

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SHUTDOWNS AND POWER REDUCTIONS March 1991 DOCKET NO 50-529 UNIT NAME PVNGS-2 DATE COMPLETED BY K.A. Chavet-Outage Method of and Corrective Duration Shutting Code'omponent System Code'ause Action to No. Date Type'ours Reason Down Reactor LER No. Prevent Recurrence 91/02 03/09/91 S N/A N/A N/A N/A Power reduction to suppo planned maintenance of Feedwater Pump "B".

'F-Forced Reason: Method: 'Exhibit F-Instructions S-Scheduled A-Equipment Failure(Explain) 1-Manual for Preparation of the Data B-Maintenance or Test 2-Manual Scram Entry Sheets for Licensee C-Refueling 3-Automatic Scram Event Report (LER) File D-Regulatory Restriction 4-Continuation from (NUREG 0161)

E-Operator Training & License Previous Month Examination 5-Reduction of 20$ or F-Administrative Greater in the Past Exhibit H-Same Source G-Operational Error 24 Hours H-Other (Explain) 9-Other-(Explain)

NRC MONTHLY OPERATING REPORT DOCKET NO. 50-530 UNIT NAME PVNGS-3 DATE COMPLETED BY K.A. Chavet OPERATING STATUS

1. Unit Name: Palo Verde Nuclear Generatin Station Unit 3

2. Reporting Period: March 1991

3. Licensed Thermal Power (MWt): 3800

4. Nameplate Rating (Gross MWe): 1403

5. Design Electrical Rating (Net MWe): 1270

6. Maximum Dependable Capacity (Gross MWe): 1303

7. Maximum Dependable Capacity (Net MWe): 1221

8. If Changes Occur In Capacity Ratings (Item Numbers 3 Through 7)

Since Last Report, Give Reasons: N A

9. Power Level to Which Restricted, If Any (Net MWe): None

10. Reasons For Restrictions, If Any: N A This Month Yr.-to-Date Cumulative

11. Hours in Reporting Period 744 2 160 28 296

12. Number of Hours Reactor Was Critical 360.8 1 7 6 8 19 356 5

13. Reactor Reserve Shutdown Hours 0,0 0.0 0.0

14. Hours Generator On-Line 360.8 1 776.8 19 100 0

15. Unit Reserve Shutdown Hours 0.0 0,0 0 0

16. Gross Thermal Energy Generated (MWH) 1 0 3 9 8 6 436 69 0 042 924

17. Gross Electrical Energy Generated (MWH) 372 100 2 263 600 24 571 900

18. Net Electrical Energy Generated (MWH) 340 485 2 127 786 23 127 261

19. Unit Service Factor 48,5% 82.3% 67 5

20. Unit Availability Factor 48.5% 82,3a 67 5

21. Unit Capacity Factor (Using MDC Net) 37.5 80 7% 66.9a

22. Unit Capacity Factor (Using DER Net) 36 0% 77 6a 64 4

23. Unit Forced Outage Rate 0.0a 0 Os 8.0

24. Shutdowns Scheduled Over Next 6 Months (Type, Date and Duration of Each):

Continuation of 70 da refuelin outa e which be an March 16 1991.

25. If Shutdown At End of Report Period, Estimated Date of Start-up:

Ma 25 1991 Forecast Achieved INITIAL CRITICALITY ~07 87 ~10 25 87 INITIAL ELECTRICITY ~07 87 11 28 87 COMMERCIAL OPERATION ,.~09 87 ~01 08 88 11

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AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 50-530 UNIT NAME PVNGS-3 DATE COMPLETED BY K A. Chavet MONTH: March 1991 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL 1259 17 1263 18 1261 19 1257 20 958 847 22 830 23 851 24 849 25 10 850 26 850 27 12 851 28 13 850 29 14 853 30 15 798 31 16 12

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REFUELING INFORMATION DOCKET NO. 50-530 UNIT NAME PVNGS-3 DATE COMPLETED BY K A. Chavet

1. Scheduled date for next refueling shutdown.

Currently in refueling outage.

2. Scheduled date for restart following refueling.

05/25/91

3. Will refueling or resumption of operation thereafter require a Technical Specification change or other license amendment?

Yes, Sections 3.1.1, 3.1.2, 3.1.3, 3.2.4 and 3.2.7.

4. Scheduled date for submitting proposed licensing action and supporting information.

02/21/91

5. Important Licensing considerations associated with refueling, e.g., new or different fuel design or supplier, unreviewed design or performance analysis methods, significant changes in fuel design, and new operating procedures.

U3C3 is typical of PVNGS reload cycles except that the NRC has asked for the resultant radiological consequences (doses) at the site boundary for a particular transient.

6. The number of fuel assemblies.

a) In the core. 241*

b) In the spent fuel storage pool. 104*

7. Licensed spent fuel storage capacity. 1329 Intended change in spent fuel storage capacity. None

8. Projected date of last refueling that can be discharged to spent fuel storage pool assuming present capacity.

2005 (18 Month reloads and full core discharge capability).

The figures in 6.a and 6.b reflect fuel assembly locations at the beginning of the month.

At the end of the month, the reactor was in the process of being defueled in accordance with the PVNGS refueling procedure.

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SUMMARY

OF OPERATING EXPERIENCE FOR THE MONTH DOCKET NO. 50-530 UNIT NAME PVNGS 3 DATE COMPLETED BY K A. Chavet March 1991 03/01 00:00 Unit began the month in Mode 1, 100% RX power.

03/05 07:02 Reactor power cutback due to Feedwater Pump "B" overspeed trip.

03/05 07:15 Commenced RX power increase to 70%.

03/05 08:14 Reactor power at 70%.

03/15 20:00 Commenced RX power decrease from 70% for refueling outage.

03/16 00:51 Entered Mode 3 by manually tripping the RX while at 20% power.

03/17 06:38 Entered Mode 4.

03/17 13:53 Entered Mode 5.

03/23 07:53 Entered Mode 6.

03/31 24:00 Unit ended the month in Mode 6.

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4 SHUTDOWNS AND POWER REDUCTIONS March 1991 DOCKET NO 50-530 UNIT NAME PVNGS-3 DATE COMPLETED BY K.A.

Chavet'"

Outage Duration Method Shutting of Code'ause and Corrective Action to t

System Component No. Date Type'ours Reason Down Reactor'ER No. Code'revent Recurrence 91/02 03/05/91 F N/A N/A N/A N/A RX power cutback due to Feedwater Pump "B" overspeed trip.

91/03 03/16/91 S 383.2 N/A N/A N/A Manually tripped the reactor at 20% power to enter 70 day refueling outage.

'F-Forced Reason: Method: 'Exhibit F-Instructions S-Scheduled A-Equipment Failure(Explain) 1-Manual for Preparation of the Data B-Maintenance or Test 2-Manual Scram Entry Sheets for Licensee C-Refueling 3-Automatic Scram Event Report (LER) File D-Regulatory Restriction 4-Continuation from (NUREG 0161)

E-Operator Training 6 License Previous Month Examination 5-Reduction of 20% or F-Adminis trat ive Greater in the Past Exhibit H-Same Source G-Operational Error 24 Hours H-Other (Explain) 9-Other-(Explain) 15

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