ML17305B523

Monthly Operating Repts for Apr 1991 for Palo Verde Nuclear Generating Station Units 1,2 & 3.W/910513 Ltr

ML17305B523
Person / Time
Site:	Palo Verde
Issue date:	04/30/1991
From:	James M. Levine ARIZONA PUBLIC SERVICE CO. (FORMERLY ARIZONA NUCLEAR
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
254-01532-JML-K, 254-1532-JML-K, NUDOCS 9105150168
Download: ML17305B523 (33)

Text

, ACCELERATED DI TRIBUTION DEMONSTPA,TION SYSTEM REGULATORY INFORMATION DISTRIBUTION SYSTEM (RIDS)

ACCESSION NBR:910 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 LEVINE,J.M. Arizona Public Service Co. (formerly Arizona Nuclear Power LEVINE,J.M- Arizona Public Service Co. (formerly Arizona Nuclear Power RECIP.NAME RECIPIENT AFFILIATION I D

SUBJECT:

Monthly operating repts for Apr 1991 for Palo Verde Nuclear Generating Station Units 1,2 6 3 10 tr.

DISTRIBUTION CODE: IE24D COPIES RECEIVED:LTR TITLE: Monthly Operating Report (per Tech Specs)

ENCL L SIZE: /

NOTES:STANDARDIZED PLANT 05000528 Standardized plant. 05000529 Standardized plant. 05000530 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 THOMPSON,M 1 1 INTERNAL: ACRS 10 10 AEOD/DOA 1 1 AEOD/DSP/TPAB 1 1 1 1 NRR/DOEA/OEAB 1 1 1 1 RGN5 1 1 EXTERNAL: EGGG BRYCE,J.H 1 1 NRC PDR NSIC 1 1 NOTES 1 1 D

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D-NOTE TO ALL "RIDS" RECIPIENTS:

PLEASE HELP US TO REDUCE WASTE! CONTACT THE DOCUMENT CONI'ROL 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 254-01532-JNL/KAC VICE PRESIDENT NUCLEAR PRODUCTION May 13, 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 April 1991 File: 91-024-404 Attached are the Monthly Operating Reports for April 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

'ery questions, please contact Mr. Kent A. Chavet, at truly yours, M. Levine Vice 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 9105i50168 910430 c 'i PDR, R

'O'DOCK 05000528 PDR

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: ~A ril 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 20 2 880 46 056

12. Number of Hours Reactor Was Critical 720 0 2 037.5 23 497 7

13. Reactor Reserve Shutdown Hours 0.0 0.0 0.0

14. Hours Generator On-Line 20 0 2 028 9

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

16. Gross Thermal Energy Generated (MWH) 2 731 59 7 634 98 83 029 088

17. Gross Electrical Energy Generated (MWH) 954 400 2 6 0 300 28 842 900

18. Net Electrical Energy Generated (MWH) 901 814 2 511 205 27 023 857

19. Unit Service Factor 100 0 70.4a 49 5

20. Unit Availability Factor 100 0 0.4 49 5

21. Unit Capacity Factor (Using MDC Net) 102 6 71 4 48 1

22. Unit Capacity Factor (Using DER Net) 98.6a 68.7% 46.2a

23. Unit Forced Outage Rate 23 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 ~05 85 ~05 25 85 INITIAL ELECTRICITY 06 85 06 10 85 COMMERCIAL OPERATION 11 85 01/128 86 1

s AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 50-528 UNIT NAME PVNGS-1 DATE COMPLETED BY K A Chavet MONTH: April 1991 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL 1255 17 1253 1256 18 1254 1254 19 1254 1252 20 1253 1251 21 1252 1248 22 1253 1251 23 1 53 1253 24 1251 1254 25 1250 10 1 51 26 1246 1256 27 1241 12 1257 28 1254 13 1256 29 1254 14 1256 30 1253 15 1254 16 1253

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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/Ol/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 '

~ 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.

U1C4 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 A ril 1991 04/01 00:00 Unit began the month in Mode 1, 100% RX power.

04/30 24:00 Unit ended the month in Mode 1, 100% RX power.

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

~J 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: A ril 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 20 2 880 40 440 12 Number of Hours Reactor Was Critical 720.0 2 880 0 27 507.3 13 Reactor Reserve Shutdown Hours 0.0 0.0 0.0 14 Hours Generator On-Line 720 0 2 880 0 26 903 4 15 Unit Reserve Shutdown Hours 0 0 0.0 0,0 16 Gross Thermal Energy Generated (MWH) 2 33 538 10 891 935 98 613 336 17 Gross Electrical Energy Generated (MWH) 955 500 3 811 500 34 439 070 18 Net Electrical Energy Generated (MWH) 902 984 3 599 53 32 224 82 19 Unit Service Factor 100.0 100.0 66 5 20 Unit Availability Factor 100 0% 100 0% 66.5a 21 Unit Capacity Factor (Using MDC Net) 102 02 4 65.3a 22 Unit Capacity Factor (Using DER Net) 98.8S 98 4% 62 23 Unit Forced Outage Rate 7.5%

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

Refuelin outa e October 17 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 OS/320 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 Chavez MONTH: April 1991 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL 1256 17 1256 1259 18 1258 1255 19 1256 1256 20 1239 1256 21 1239 1228 22 1241 1257 23 1241 1260 24 1241 1261 25 1242 10 1 59 26 1243 1263 27 1244 12 1263 28 1245 13 1262 29 1244 14 1262 30 1248 15 1259 1256

f 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 amendments Yes, Sections 3.1.1, 3.1.2, 3.1.3, 3.2 ' and 3.2.7.

4. 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

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. 50-529 UNIT NAME PVNGS-2 DATE COMPLETED BY K A Chavet A ril 1991 04/01 00'00 Unit began the month in Mode 1, 100% RX power.

04/30 24:00 Unit ended the month in Mode 1, 100% RX power.

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SHUTDOWNS AND POWER REDUCTIONS April 1991 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 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) 10-

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NRC MONTHLY OPERATING REPORT DOCKET NO. 50-530 UNIT NAME PVNGS - 3 DATE OPERATING STATUS

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

2. Reporting Period: ~Artl 199

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): one

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

11. Hours in Reporting Period 20 2 880 29 016

12. Number of Hours Reactor Was Critical 0.0 1 776 8 19 356 5

13. Reactor Reserve Shutdown Hours 0 0 0 0 0 0

14. Hours Generator On-Line 0.0 1 776 8 19 100 0

15. Unit Reserve Shutdown Hours 0.0 0.0 0.0

16. Gross Thermal Energy Generated (MWH) 6 436 69 70 042 924

17. Gross Electrical Energy Generated (MWH) 2 263 600 24 5 1 900

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

19. Unit Service Factor 0 0 61 65 8

20. Unit Availability Factor 0 0 61 7 65 8

21. Unit Capacity Factor (Using MDC Net) 0.0% 60 5 65 3

22. Unit Capacity Factor (Using DER Net) 62 8

23. Unit Forced Outage Rate 0.0% 8 0

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

Continuation of 0 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 8 ~10 25 8 INITIAL ELECTRICITY ~08 ~11 28 8 COMMERCIAL OPERATION 09 8 01/108 88 11

AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 50-530 UNIT NAME PVNGS-3 DATE COMPLETED BY K.A Chavet MONTH: April 1991 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL 17 18 19 20 22 23 24 25 10 26 27 12 28 13 29 14 30 15 16

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 amendment2 Yes, Sections 3.1.1, 3 '.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. 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).

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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 April 1991 04/01 00:00 Unit began the month in Mode 6.

04/01 06:35 Reactor defueled.

04/22 04:01 Unit entered Mode 6 from a defueled condition.

04/30 24:00 Unit ended the month in Mode 6.

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I SHUTDOWNS AND POWER REDUCTIONS April 1991 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 91/03 03/16/91 S 720.0 N/A N/A N/A Continuation of 2nd refueli 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 & 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)

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