ML17305B678

Monthly Operating Repts for Jul 1991 for Palo Verde Nuclear Generating Station Units 1,2 & 3.W/910813 Ltr

ML17305B678
Person / Time
Site:	Palo Verde
Issue date:	07/31/1991
From:	Chavet K, James M. Levine ARIZONA PUBLIC SERVICE CO. (FORMERLY ARIZONA NUCLEAR
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
254-01657-JML-K, 254-1657-JML-K, NUDOCS 9108140317
Download: ML17305B678 (34)

Text

ACCELERATED DI UTION DEMONS TION SYSTEM REGULATORY INFORMATION DISTRIBUTION SYSTEM (RIDS)

ACCESSION NBR:9108140317 DOC.DATE:,~~0-'Q 81 NOTARIZED: NO DOCKET g 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 AFFILIATION 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 AFFILIATION

SUBJECT:

Monthly operating rept~Mor Zul 1991 for Palo Verde Nuclear D Generating Stati -. /910813 ltd I

TITLE: Monthly Operating Report (per Tech Specs)

NOTES:STANDARDIZED PLANT 05000528 A Standar'dized plant. 05000529 Standardized plant. 05000530 D RECIPIENT COPIES RECIPIENT COPIES D ID CODE/NAME LTTR ENCL ID CODE/NAME LTTR ENCL 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/DS P/TPAB 1 1 RR/@Xi'/ PEB10 1 1 NRR/DOEA/OEAB 1 1 EG FILE 01 1 1 RGN5 1 1 EXTERNAL: EG&G BRYCE,J.H 1 1 NRC PDR 1 1 NSIC 1 1 NOTES: 1 1 D

D D

NOTE TO ALL "RIDS" RECIPIENTS:

PLEASE HELP US TO REDUCE AVASTE! CONTACI'HE 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

'0

~ 4 ~

~1+

f

Arizona Public Service Company PALO VERDE NUCLEAR GENERATING STATION P.O. BOX 52034 ~ PHOENIX, ARIZONA85072-2034 JAMES M. LEVINE 254-01657-JML/KAC VICE PRESIDENT August 13, 1991 NUCLEAR PRODUCTION Docket Nos. STN 50-528/529/530 Document Control Desk U. S. Nuclear Regulatory Commission Mail Station P1-37 Washington, D.C. 20555

Subject:

Palo Verde Nuclear .Generating Station (PVNGS)

~

Units 1, 2, and 3 Monthly Operating Reports for July 1991 File: 91-024-404 Attached are the Monthly Operating Reports for July 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 340-4718.

have any questions, please contact Mr. Kent, A. Chavet, at (602)

Very truly yours, 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 PDR R 'DR 9i08140317 9i073i

. ADOCK 05000528

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. Reporriu8 Period: ~Jul 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 Restrictions, If Any: N A

~

10 Reasons For This Month Yr.-to-Date Cumulative 11 Hours in Reporting Period 44. 5 088 48 264 12 Number of Hours Reactor Was Critical 744.0 4 245.5 25 705.

13 Reactor Reserve Shutdown Hours 0.0 0.0 0.0

'4.

Hours Generator On-Line 744.0 4 236.9 24 990.5

15. Unit Reserve Shutdown Hours 0.0 0.0 0.0

16. Gross Thermal Energy Generated (MWH) 2 825 868 16 010 475 91 404 576 Gross Electrical Energy Generated (MWH) 974 200 5 573 500 31 746 100 Net Electrical Energy Generated (MWH) 921 935 5 256 161 29 768 813

19. Unit Service Factor 100 0% 83.3% 51.8%

20. Unit Availability Factor 100.0% 83.3 51.8%

21. Unit Capacity Factor (Using MDC Net) 101.5% 84 6% 50.5%

22. Unit Capacity Factor (Using DER Net) 97.6% 81.3% 48.6%

23. Unit Forced Outage Rate 0.0% 21.8  %

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

N A If Shutdown

'5.

At End of Report Period, Estimated Date of Start-up:

N A Forecast Achieved INITIAL CRITICALITY ~05 85 05/525 85 INITIAL ELECTRICITY ~06 85 06 10 85 COMMERCIAL OPERATION ~11 85 01 28 86 1

AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 50-528 UNIT NAME PVNGS-1 DATE COMPLETED BY K A. Chavet MONTH: July 1991 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL 1244 17 1240 1240 18 1244 1235 19 1243 1234 20 1242 1234 21 1245 1233 22 1243 1237 23 1244 1238 24 1242 1239 25 1241 10 1238 26 1241 1242 27 1239 1241 28 1238 13 1239 29 1234 14 1237 30 1233 15 1239 31 1233 16 1241 2

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?

The need for a Technical Specification change or other license amendment has not yet been determined.

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

N/A

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.

U1C4 is typical of PVNGS reload cycles.

6. The number of fuel assemblies.

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

7. Licensed spent fuel storage capacity. 1329 Intended change in spent fuel storage capaci,ty. 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).

3

SUMMARY

OF OPERATING EXPERIENCE FOR THE MONTH DOCKET NO. 50-528 UNIT NAME PVNGS-1 DATE COMPLETED BY K A Chavet

~Jul 1991 07/01 0000 Unit began the month in Mode 1, 1008 RX power.

07/31 2400 Unit ended the month in Mode 1, 100% RX power.

4

SHUTDOWNS AND POWER REDUCTIONS July 1991 DOCKET NO 50-528 UNIT NAME PVNGS-1 ~

DATE COMPLETED BY K.A. Chavet Outage Method of Cause and Corrective Duration Shutting System Component Action to No. Date Type Hours Reason Down Reactor LER No. Code Code~ 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

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: J~ul 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 5 088 42 648

12. Number of Hours Reactor Was Critical 744.0 5 088 0 29 715.3

13. Reactor Reserve Shutdown Hours 0.0 0.0 0.0

14. Hours Generator On-Line 744.0 5 088 0 29 111.4

15. Unit Reserve Shutdown Hours 0.0 0 0 0 0

16. Gross Thermal Energy Generated (MWH) 2 825 239 19 278 030 106 999 431

17. Gross Electrical Energy Generated (MWH) 976 900 6 26 700 37 354 270

18. Net Electrical Energy Generated (MWH) 921 094 6 349 260 34 974 289 19.

20 21.

'nit Unit Service Factor Unit Availability Capacity Factor Factor 100.0%

100.0%

100 0 100 0%

68 3 68.3s (Using MDC Net) 101. 4% 102 2% 6 2

22. Unit Capacity Factor (Using DER Net) 97.5a 98 3a 64.6

23. Unit Forced Outage Rate 0.0a Oa

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

Refuelin outa e October 1 1991 70 da s

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

N A Forecast Achieved INITIAL CRITICALITY ~03 86 04/618 86 INITIAL ELECTRICITY 06 86 05 20 86 COMMERCIAL OPERATION ~11 86 09 19 86 6

AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 50-529 UNIT NAME PVNGS-2 DATE COMPLETED BY K.A. Chavet MONTH: July 1991 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL 1240 17 1239 1245 18 1243 1238 19 1244 1234 20 1243 1234 21 1248 1235 22 1245 1238 23 1243 1239 24 1241 1241 25 1241 10 1242 26 1242 1244 27 1241 12 1244 28 1241 1242 29 1236 14 1240 30 1236 15 1240 31 1234 16 1240 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

3. Will refueling or resumption of operation thereafter require a Technical Specification change or other license amendment2 l Preliminary analyses indicate that no proposed Technical Specification change or other license amendment will be required as a result of the next refueling.

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

08/91

5. Important Licensing considerations associated wi,th 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

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).

8

t t

SUMMARY

OF OPERATING EXPERIENCE FOR THE MONTH DOCKET NO. 50-529 UNIT NAME PVNGS-2 DATE COMPLETED BY K.A. Chavet J~ul 1991 07/01 0000 Unit began the month in Mode 1, 100% RX power.

07/31 2400 Unit ended the month in Mode 1, 100% RX power.

9

SHUTDOWNS AND POWER REDUCTIONS July 1991 DOCKET NO 50-529 UNIT NAME PVNGS-2 DATE COMPLETED BY K.A. Chavet Outage Method of Cause and Corrective Duration Shutting System Component Action to No. Date Type Hours Reason Down Reactor LER No. Code Codes Prevent Recurrence No Reactor Shutdowns or significant power reductions occurred during the month.

~F-Forced ~Reason: ~Method: 4Exhibit 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-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: J~ul 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): ~122

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

Since Last Report, Give Reasons: 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 5 088 31 224

12. Number of Hours Reactor Was Critical 744.0 3 160.4 20 740.1

13. Reactor Reserve Shutdown Hours 0 0 0.0 0.0

14. Hours Generator On-Line 744.0 3 091.6 20 414.8

15. Unit Reserve Shutdown Hours 0 0 0 0 0 0

16. Gross Thermal Energy Generated (MWH) 2 773 511 11 071 901 74 678 128

17. Gross Electrical Energy Generated (MWH) 96 100 3 875 800 26 184 100

18. Net Electrical Energy Generated (MWH) 914 147 3 639 067 24 638 542

19. Unit Service Factor 100 0 60.8 65.4a

20. Unit Availability Factor 100 0 60.8 65.4a

21. Unit Capacity Factor (Using MDC Net) 100.6% 58.6a 64.6a

22. Unit Capacity Factor (Using DER Net) 96 56.3S

23. Unit Forced Outage Rate 0 0 8.6 8.8%

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 ~07 87 25 87 INITIAL ELECTRICITY 0 87 09 87 ll 28

~10 01 08 87 88 COMMERCIAL OPERATION

AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 50-530 UNIT NAME PVNGS-3 DATE COMPLETED BY K A Chavet MONTH: July 1991 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL 1213 1254 1208 18 1257 1195 19 1234 1242 20 1219 1151 1223 842 22 1214 992 23 1253 1248 1258 1254 25 125 10 1258 26 1255 1252 27 1254 12 1256 28 1255 13 1254 29 1250 14 1249 30 124&

15 1252 31 1250 16 1254

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

1. Scheduled date for next refueling shutdown.

The Unit 3 refueling outage ended on June 3rd. The next refueling outage is scheduled for 09/15/92.

2. Scheduled date for restart following refueling.

The scheduled restart date for the current refueling outage was 05/26/91. The actual restart date was 06/03/91. The restart date for the next refueling outage is 11/14/92.

3. Will refueling or resumption of operation thereafter require a Technical Specification change or other license amendments The need for a Technical Specification change or other license amendment has not yet been determined.

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

N/A

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.

U3C4 is typical of PVNGS reload cycles.

6. The number of fuel assemblies.

a) In the core. 241 b) In the spent fuel storage pool. 192

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).

13

SUMMARY

OF OPERATING EXPERIENCE FOR THE MONTH DOCKET NO ~ 50-530 UNIT NAME PVNGS-3 DATE COMPLETED BY K.A. Chavet J~ul 1991 07/01 0000 Unit began the month in Mode 1, 1008 RX power.

07/05 1841 Feedwater Pump "B" tripped due to control system perturbation.

07/05 1854 RX power stabilized at 65%.

07/05 1907 Commenced RX,power increase to 70%.

07/05 2025 Rx power at 70%.

07/07 1228 Commenced RX power increase to 100%.

07/07 1827 RX power at 100$ .

07/31 24:00 Unit ended the month in Mode 1, 100% RX power.

14-

SHUTDOWNS AND POWER REDUCTIONS July 1991 DOCKET NO 50-530 UNIT NAME PVNGS-3 COMPLETED BY K.A. Chavet Outage Method of Cause and Corrective Duration Shutting System Component Action to No. Date Type Hours Reason Down Reactor LER No. Code Code~ Prevent Recurrence 91/05 07/05/91 F 47.9 N/A N/A N/A Feedwater Pump "B" trip to control system perturbation. RX power decrease to 65%. Cause under investigation.

~F-Forced ~Reason: ~Method: 4Exhibit 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) 15

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