ML17305B316

Monthly Operating Repts for Dec 1990 for Palo Verde Nuclear Generating Station,Units 1,2 & 3.W/910114 Ltr

ML17305B316
Person / Time
Site:	Palo Verde
Issue date:	12/31/1990
From:	Chavet K, James M. Levine ARIZONA PUBLIC SERVICE CO. (FORMERLY ARIZONA NUCLEAR
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
254-01321-JML-K, 254-1321-JML-K, NUDOCS 9101170005
Download: ML17305B316 (28)

Text

REGULATORY INFORMATION DISTRIBUTION SYSTEM (RIDS)

ACCESSION NBR:9101170005 DOC.DATE: WQ+~34- 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 AFFILIATION CHAVET,K.A. Arizona Public Service Co. (formerly Arizona Nuclear Power R LEVINE,J.M. Arizona Public Service Co. (formerly Arizona Nuclear Power RECIP.NAME RECIPIENT AFFILIATION D

SUBJECT:

Monthly operating repts for Dec 1990 Palo Verde Nuclear Generating Station, Units 1,2 6 3.W 910114 r.

DISTRIBUTION CODE: IE24D COPIES RECEIVED:LTR TITLE: Monthly Operating Report (per Tech Specks ENCL L SIZE: 6 NOTES:STANDARDIZED PLANT 05000528 A Standardized plant. 05000529 Standardized plant. 05000530 D D

RECIPIENT COPIES RECIPIENT COPIES ID CODE/NAME LTTR ENCL ID CODE/NAME LTTR ENCL PD5 LA 3 3 PD5 PD 1 1 TRAMMELL,C 1 1 TRAMMELL,C. 1 1 INTERNAL: ACRS 10 10 AEOD/DOA 1 1 AEOD/DSP/TPAB 1 1 IRM TECH ADV 2 2 NRR B10 1 1 NRR/DOEA/OEAB 1 1 R FWE 1 1 1 RGN5 1 1 EXTERNAL: EGGG 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 IVASTE! CONTACT THE DOCUMENT CONTROL DESK, ROOM P 1-37 (EXT. 20079) TO ELIMINATEYOUR NAME FROM DISTRIBUTION LISTS FOR DOCUMENTS YOU DON'T NEED!

TOTAL NUMBER OF COPIES REQUIRED: LTTR 28 ENCL 28

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Arizona Public Service Company PALO VEROE NUCLEAR GENERATING STATION P.O. BOX 52034 ~ PHOENIX, ARIZONA850?2-2034 JAMES M. LEVINE 254-01321-JML/KAC VICE PRESIDENT NUCLEAR PRODUCTIDN January 14, 1991 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 December 1990 File: 91-024-404 Attached are the Monthly Operating Reports for December 1990, 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. K. A. Chavet, at Very truly yours, J. M. evine ice President Nuclear Production JML/KAC Attachments cc: J. B. Martin (all w/attachments)

D. H. Coe INPO Records Center

R PDR-

'9i0i170005'90i23i ADOCK 05000528 PDR

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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: December 1990

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 ll. Hours in Reporting Period 744 8 760 43 176

12. Number of Hours Reactor Was Critical 744 0 4 198.1 21 460 2

13. Reactor Reserve Shutdown Hours 0 0 0.0 0 0

14. Hours Generator On-Line 744 0 3 926 20 53 6

15. Unit Reserve Shutdown Hours 0 0 0.0 0.0

16. Gross Thermal Energy Generated (MWH) 2 813 104 14 462 880 75 394 101

17. Gross Electrical Energy Generated (MWH) 989 400 5 009 500 26 172 600

18. Net Electrical Energy Generated (MWH) 936 387 4 719 462 24 512 652

19. Unit Service Factor 100.0 44 8% 48.1%

20. Unit Availability Factor 100.0 44.8a 48.1a

21. Unit Capacity Factor (Using MDC Net) 103 1 44,1a 46 5

22. Unit Capacity Factor (Using DER Net) 99.1@ 42.4a 44.7a

23. Unit Forced Outage Rate 0.0a 8.9a 25.1

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

Maintenance Outa e Januar 12 1991 45 da s

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

AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 50-528 UNIT NAME PVNGS-1 DATE COMPLETED BY K.A Chavez MONTH: December 1990 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL 1263 17 1168 1264 18 1262 1262 19 1261 1263 20 1260 1262 21 1263 1262 22 1265 1261 23 1267 1262 24 1265 1262 25 1265 10 1262 26 1265 1261 27 1262 12 1259 28 1254 13 1256 29 1256 14 1260 30 1260 15 1259 31 1261 16 1259

II 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 amendments To be determined.

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

To be determined.

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.

To be determined.

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).

3

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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 December 1990 12/01 00:00 Unit began the month in Mode 1, 100% RX power.

12/17 07:22 Commenced RX power reduction due to the Core Operating Limit Supervisory System (COLSS) being inoperable. RX power stabilized at 74.5%.

12/17 17:15 RX power back at 100%.

12/31 24:00 Unit ended the month in Mode 1, 100% RX power.

4

SHUTDOWNS AND POWER REDUCTIONS December 1990 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'ER No. Prevent Recurrence 90/06 12/17/90 F N/A N/A N/A N/A Power reduction to 74.5%

to Core Operating Limit Supervisory System (COLSS) being inoperable.

'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: December 1990

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 8 760 37 560

12. Number of Hours Reactor Was Critical 44 0 5 376 2 24 627.3

13. Reactor Reserve Shutdown Hour 0 0 0.0 0.0

14. Hours Generator On-Line 744 0 5 276 2 24 023.4

15. Unit Reserve Shutdown Hours 0.0 0.0 0.0

16. Gross Thermal Energy Generated (MWH) 2 809 763 19 093 048 87 21 401

17. Gross Electrical Energy Generated (MWH) 986 800 6 65 700 30 627 570

18. Net Electrical Energy Generated (MWH) 933 121 6 242 217 28 625 029

19. Unit Service Factor 100 0 60 2 64 0%

20". Unit Availability Factor 100 0 60.2% 64.0a

21. Unit Capacity Factor (Using MDC Net) 102.7% 58.4 62.4%

22. Unit Capacity Factor (Using DER Net) 56,1s 60.0%

23. Unit Forced Outage Rate 0.0a 0.0a 8,4%

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 UNIT NAME PVNGS-2 DATE COMPLETED BY K.A. Chavet MONTH: Decembex'990 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL 1259 17 1246 1260 18 1246 1261 19 1245 1252 20 1245 1246 21 1077 1250 22 1245 1251 23 1248 1253 1247 1252 25 1249 10 1250 26 1247 1250 27 1248 12 1248 28 1243 13 1242 29 1242 14 1248 30 1245 15 1246 31 1255 16 1244

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 amendment:?

To be determined.

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

To be determined.

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.

To be determined.

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

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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 December 1990 12/01 00:00 Unit began the month in Mode 1, 100% RX power.

12/21 05:44 Began power reduction to 70% due to unplanned MSIV closure.

12/21 19:06 RX power back at 100%.

12/31 24:00 Unit ended the month in Mode 1, 100% RX power.

9

SHUTDOWNS AND POWER REDUCTIONS December 1990 DOCKET NO 50-529 UNIT NAME PVNGS-2 ~

DATE COMPLETED BY K.A. Chavet Outage Method of Cause and Corrective Duration Shutting Code'omponent System Action to No. Date Type'ours Reason~ Down Reactor LER No. Code~ Prevent Recurrence 90-10 12/21/90 F N/A N/A N/A N/A Power reduction to 70% d to unplanned MSIV closure.

'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) 10

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: December 1990

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 8 760 26 136 12 Number of Hours Reactor Was Critical 744 0 8 168.5 17 579.7 13 Reactor Reserve Shutdown Hours 0.0 0.0 0.0 14 Hours Generator On-Line 744 0 8 049 2 17 323.2 15 Unit Reserve Shutdown Hours 0 0 0.0 0.0 16 Gross Thermal Energy Generated (MWH) 2 725 831 29 195 836 63 606 227 17 Gross Electrical Energy Generated (MWH) 959 800 10 240 500 22 308 300 18 Net Electrical Energy Generated (MWH) 908 428 9 636 010 20 999 475 19 Unit Service Factor 91 9s 66.3 20 Unit Availability Factor 100.0% 91.9a 66.3s 21 Unit Capacity Factor (Using MDC Net) 100 0% 90.1% 65.8s 22 Unit Capacity Factor (Using DER Net) 96 la 86.6% 63.3%

23 Unit Forced Outage Rate 0.0a 8 la 8.8a 24 Shutdowns Scheduled Over Next 6 Months (Type, Date and Duration of Each):

Refuelin outa e March 16 1991 70 da s

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

N A Forecast Achieved INITIAL CRITICALITY 07787 ~10 25 87 INITIAL ELECTRICITY 07 87 ~11 28 87 COMMERCIAL OPERATION 09 8 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: December 1990 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL 12 2 17 1272 1271 1273 1270 19 1274 1271 20 1268 1275 21 1272 1273 22 1273 1269 23 1273 1270 24 1272 1270 25 1222 10 12 0 26 438 1271 27 666 1268 28 1238 13 1266 29 1266 14 12 0 30 1271 15 12 0 31 1269 1268

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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.

03/16/91, 2nd refueling.

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 amendment2 To be determined.

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

To be determined.

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.

To be determined.

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).

13

SUMMARY

OF OPERATING EXPERIENCE FOR THE MONTH DOCKET NO. 50-530 UNIT NAME , PVNGS-3 DATE COMPLETED BY K.A Chalet December 1990 12/01 00:00 Unit began the month in Mode 1, 100% RX power.

12/25 20:00 Commenced RX power reduction to 40% to repair a condenser tube leak.

12/28 04:51 RX power back at 100%.

12/31 24:00 Unit, ended the month in Mode 1, 100% RX power.

14

SHUTDOWNS AND POWER REDUCTIONS December 1990 DOCKET NO 50-530 UNIT NAME PVNGS-3 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 90/13 12/25/90 F N/A N/A N/A N/A Power reduction to 40%

to condenser tube leak.

'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) 15

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