ML17304A531

Monthly Operating Repts for Aug 1988 for Palo Verde Nuclear Generating Station Units 1,2 & 3.W/880913 Ltr

ML17304A531
Person / Time
Site:	Palo Verde
Issue date:	08/31/1988
From:	Bloom T, Haynes J ARIZONA PUBLIC SERVICE CO. (FORMERLY ARIZONA NUCLEAR
To:	NRC OFFICE OF ADMINISTRATION & RESOURCES MANAGEMENT (ARM)
References
NUDOCS 8809220139
Download: ML17304A531 (33)

Text

. r AC CELZRATZD DISTRIBUTION DEMONSTRATION SYSTEM REGULATORY INFORMATION DIST TION SYSTEM (RIDS)

ACCESSION NBR:8809220139 DOC.DATE: 88/ NOTARIZED: NO DOCKET g FACIL:STN-50-528 Palo Verde Nuclear Statio , Unit 1, Arizona Publi 05000528 STN-50-529 Palo Verde Nuclear Station, Unit 2, Arizona Publi Palo Verde Nuclear Station, Unit 3, Arizona Publi 05000530 05000529"'TN-50-530

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AUTH. NAME AUTHOR AFFILIATION )'l BLOOM,T.J. Arizona Nuclear Power Project (formerly Arizona Public Serv "~

HAYNES,J.G. Arizona Nuclear Power Project (formerly Arizona Public Serv,(

RECIP.NAME RECIPIENT AFFILIATION R

SUBJECT:

Monthly operating repts for Aug. 1988 fo alo Verde Nuclear I Generating Station Unit 1,2 & 3. 880 3 tr.

DISTRIBUTION CODE: IE24D COPIES RECEIVED:LTR ENCL ( SIZE: /~ D TITLE: Monthly Operating Report (per Tech Spec/s 8

NOTES:Standardized plant.

Standardized plant.

Standardized plant.

05000528"'5000529 05000530

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A 4

RECIPIENT COPIES RECIPIENT COPIES D ID CODE/NAME LTTR ENCL ID CODE/NAME LTTR ENCL PD5 LA 1 0 PD5 PD 5 5 CHAN,T 1 0 DAVIS,M 1 0 D'r LICITRA,E 1 0 j S

INTERNAL: ACRS 10 10 AEOD/DOA 1 1 AEOD/DS P/TPAB NRR/DLPQ/PEB 11 NRR/~DRBP/ PB 10 1

1 1

1 1

1 ARM TECH ADV NRR/DOEA/EAB NUDOCS-ABSTRACT ll 2 1

1 2

1 1

REG EZLE 01 1 1 RGN5 1 1 EXTERNAL: EGGG WILLIAMS,S 1 1 LPDR 1 1 NRC PDR 1 1 NSIC 1 1 NOTES R

I, D

8; ji A

D; TOTAL NUMBER OF COPIES REQUIRED: LTTR 34 ENCL 30

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NRC MONTHLY OPERATING REPORT DOCKET NO. 50-528 UNIT NAME PVNGS-1 DATE 09 09 88 COMPLETED BY T J Bloom TELEPHONE 602 371-4187 OPERATING STATUS

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

2. Reporting Period: Au ust 1988

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): ~122

8. If Changes Occur In Capacity Ratings (Items Number 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 0 5 856 0 22 728 0

12. Number of Hours Reactor Was Critical 124 0 2 834 9 12 812 1

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

14. Hours Generator On-Line 30 5 2 659.8 12 376 9

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

16. Gross Thermal Energy Generated (MWH) 69 686.0 9 610 692 0 44 643 529 0

17. Gross Electrical Energy Generated (MWH) 11 200.0 3 341 900.0 15 485 200 0

18. Net Electrical Energy Generated (MWH) 0 0 3 119 869 0 14 447 94 0 19 Unit Service Factor 4 1 45 4 54 5

'0.

Unit Availability Factor 4 1 45 4a 54.5%

21 Unit Capacity Factor (Using MDC Net) 0 0 43 6 52 1

22. Unit Capacity Factor

'uN

~IAGI (Using DER Net)

Unit Forced Outage Rate 50 1 32.0 YiOG. Shutdowns Scheduled Over 'Next 6 Months (Type, Date, and Duration of Each):

SO OO one (OIO SO

25. If Shutdown At End of Report Period, Estimated Date of Startup:

8u MQ N A OQ 0

%6X Forecast Achieved Q INITIAL CRITICALITY ~05 85 05 25 85 OK INITIAL ELECTRICITY ~06 85 ~06 10 85 00Cl 690.E COMMERCIAL OPERATION ~11 85 01/128 86

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AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 50-528 UNIT NAME PVNGS-1 DATE 09 09 88 COMPLETED BY T J Bloom TELEPHONE 602 3 1-418 MONTH: AUGUST 1988 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL 17 18 19 20 21 191 22 23 24 0 25 10 26 27 12 28 0 13 29 30 15 31 145 16

fl REFUEL'ING INFORMATION DOCKET NO. 50-528 UNIT NAME PVNGS-1 DATE , i09 09 88 COMPLETED BY T J Bloom TELEPHONE 602 3 1-418

1. Scheduled date for next refueling shutdown.

03/21/89

2. Scheduled date for restart following refueling.

05/29/89

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.

ll/88 (If necessary).

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, new operating procedures.

To be determined

6. The number of fuel assemblies a) In the core. 241 b) In the spent fuel storage pool. 80

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).

F

SUMMARY

OF OPERATING EXPERIENCE FOR THE MONTH ll I DOCKET NO. 50-528 UNIT NAME PVNGS-1 DATE 09 09 88

'02 COMPLETED BY T TELEPHONE J Bloom 3 1-4187 AUGUST 1988 08/01 0000 Unit 1 is in Mode 5.

08/13 1834 Unit 1 entered Mode 4.

08/14 0409 Unit 1 entered Mode 3.

08/18 1906 Unit 1 entered Mode 2 ~

08/19 0123 Unit 1 entered Mode 1.

08/20 2048 Main generator synchronized to the grid.

08/21 0250 Reactor power is at 19%.

08/21 0700 Reactor power is at 54%.

(approx.)

08/21 1124 Main turbine trip resulted from the failure of a flow switch in the stator coolant flow trip circuit. Following the turbine trip, the reactor tripped on high pressurizer pressure as a result of the premature closing of two steam bypass control valves. The unit was stabilized in Mode 3.

08/27 0208 Unit 1 entered Mode 2.

08/27 0459 Unit 1 entered Mode l.

08/27 0816 Main generator synchronized to the grid.

08/27 0826 Reactor trip was initiated due to low steam generator level. The trip occurred following the synchronization of the unit to the grid when a main feedwater pump tripped. The unit was stabilized in Mode 3.

08/29 1840 Unit 1 entered Mode 2.

08/30 0539 Unit 1 entered Mode l.

08/31 0815 Main generator synchronized to the grid.

08/31 2400 Reactor power at 38%.

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SHUTDOWNS AND POWER REDUCTIONS DOCKET NO. 50-528 UNIT NAME PVNGS-1 COMPLETED BY T. J Bloom-Method of Cause and Corrective Duration Shutting System Component Action to No. Date Typei Hours Reason2 Down Reactor LER No. Code4 Code~ Prevent Recurrence 7 7/6 F 476.8 A 4 1-88-010 EA NSBU A fault on the 13.8kV bus EA XFMR resulted in a fire of the unit auxiliary transformer.

The resultant loss of power led to a reactor trip.

8 8/21 140. 9 1-88-021 TJ FS Main turbine trip due to a JI PCV failed flow switch in the stator cooling water system. Reactor trip resulted when two steam bypass control valves prematurely closed. The flow switch has been replaced and the valves are under evaluation.

9 8/27 95.8 H 1-88-024 Reactor trip on low steam generator level resulted from a main feedwater pump trip. The root cause is under evaluation.

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 (HUREG D161)

E-Operator Training 4 License Examination Previous Month F-Administrative 5-Reduction of 20)l G-Operational Error or Greater in the Exhibit H-Same Source H-Other (Explain) Past 24 Hours 9-Other-(Explain)

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NRC MONTHLY OPERATING REPORT DOCKET NO. 50-529 UNIT NAME PVNGS-2 DATE 09 09 88 COMPLETED BY T J Bloom TELEPHONE 602 371-4187 OPE TING STATUS

l. Unit Name: Palo Uerde Nuclear Generati Station Unit 2

2. Reporting Period: Au ust 1988

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 (Items Number 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 0 5 856 0 17 112 0

12. Number of Hours Reactor Was Critical 744 0 3 000 6 12 275 7

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

14. Hours Generator On-Line 0 2 886 0 12 012 2

15. Unit Reserve Shutdown Hours 0 0 0.0 0 0

16. Gross Thermal Energy Generated (MWH) 2 13 036 0 10 526 988 0 43 734 155.0

17. Gross Electrical Energy Generated (MWH) 934 600 0 3 664 400 0 15 325 670 0

18. Net Electrical Energy Generated (MWH) 8 8 076 0 3 420 109 0 14 356 991.0

19. Unit Service Factor 100 0 49 3a 0.2

20. Unit Availability Factor 100 0 49 3 0 2

21. Unit Capacity Factor (Using MDC Net) 96 7 68

22. Unit Capacity Factor (Using DER Net) 66 1

23. Unit Forced Outage Rate 0 Oa 5.1 24, Shutdowns Scheduled Over Next 6 Months (Type, Date, and Duration of Each):

None

25. If Shutdown At End of Report Peri'od, Estimated Date of Startup:

N A Forecast Achieved INITIAL CRITICALITY, ~03 86 04/618 86 INITIAL ELECTRICITY ~06 86 05/520 86 COMMERCIAL OPERATION 11 86 09/919 86 0 0 AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 50-529 UNIT NAME PVNGS-2 DATE 09 09 88 COMPLETED BY T J Bloom TELEPHONE 602 3 1-418 MONTH: AUGUST 1988 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL 1 240 17 1 234 1 245 18 1 233 1 24 19 1 231 1 246 20 1 234 1 188 21 1 235 1 21 22 1 233 1 239 23 1 229 1 34 1 229 1 238 25 1'28 10 1 239 26 1 228 1 238 27 1 230 12 1 241 28 1 231 13 1 244 29 1 230 14 1 245 30 483 15 1 239 31 461 16 1 238

REFUELING INFORMATION DOCKET NO. 50-529 UNIT NAME PVNGS-2 DATE COMPLETED BY T J Bloom 1, Scheduled date for next refueling shutdown.

09/15/89

2. Scheduled date for restart following refueling.

11/24/89

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, new operating procedures.

To be determined

6. The number of fuel assemblies a) In the core. 241 b) In the spent fuel storage pool. 108

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).

[s

SUMMARY

OF OPERATING EXPERIENCE FOR THE MONTH DOCKET NO. 50-529 UNIT NAME PVNGS-2 DATE 09 09 88 COMPJ.ETED BY T J Bloom TELEPHONE 602 3 1-418 08/01 0000 Reactor power at 100$ .

08/05 1130 Reactor power reduced to 90$ due to leak in low pressure feedwater heater 2C.

08/06 1339 Reactor power at 100%.

08/30 0225 Reactor power reduced to 408 for repair of suspected condenser tube leak.

08/31 2400 Reactor power at 68%.

SHUTDOWNS AND POWER REDUCTIONS DOCKET NO. 50-529 UNIT NAME PVNGS-2 .

DATE COMPLETED BY T. J. Bloom Method of Cause and Corrective Duration Shutting System Component Action to No. Date Type1 Hours Reason Down Reactor LER No. Code Code Prevent Recurrence 3 8/30 F N/A N/A N/A N/A Reactor power reduced to 40% in order to repair suspected condenser tube leak.

1 F-Forced Reason: Method: Exhibit F-instructions S-Scheduled A-Equipment Failure (Explain) 1-Manual for Preparation of the Data 8-Maintenance or Test 2-Manual Scram Entry Sheets for Licensee C-Ref uel ing 3-Automatic Scram Event Report (LER) File D-Regulatory Restriction 4-Continuation from (HUREG 0161)

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

NRC MONTHLY OPERATING REPORT DOCKET NO. 50-530 UNIT NAME PVNGS-3 DATE 09 09 88 COMPLETED BY T J Bloom TELEPHONE 602 3 1-418 OPERATING STATUS

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

2. Reporting Period: Au ust 1988

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 (Items Number 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 44 0 5 688 0 5 688 0

12. Number of Hours Reactor Was Critical 329 5 273 5 273 7

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

14. Hours Generator On-Line 313 4 5 250 0 5 250.0

15. Unit Reserve Shutdown Hours 0 0 0 0 0.0

16. Gross Thermal Energy Generated (MWH) 1 084 459 0 19 470 031.0 19 470 031.0

17. Gross Electrical Energy Generated (MWH) 375 000 0 6 846 500 0 6 846 500.0

18. Net Electrical Energy Generated (MWH) 330 551 0 6 443 090 0 6 443 090.0

19. Unit Service Factor 42 1 92 3 92 3

20. Unit Availability Factor 42 1 92 3 92 3a

21. Unit Capacity Factor (Using MDC Net) 36 4 92 8 92 8

22. Unit Capacity Factor (Using DER Net) 89.2

23. Unit Forced Outage Rate 7%

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

'f 6

None 25 Shutdown At End of Report Period, Estimated Date of Startup:

N A Forecast Achieved INITIAL CRITICALITY 07787 10/025 87 INITIAL h

~08 11/128 87

~01 08 88 ELECTRICITY'OMMERCIAL OPERATION ~09 8

AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 50-530 UNIT NAME PVNGS-3 DATE 09 09 88 COMPLETED BY T J Bloom TELEPHONE 602 371-418 MONTH: AUGUST 1988 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL 17 18 19 294 20 1 168 21 1 231 22 1 244 23 1 244 24 1 245 25 850 10 26 1 138 27 1 243 12 28 1 246 13 29 1 24 14 30 1 249 15 31 1 250 16

REFUELING INFORMATION DOCKET NO. 50-530 UNIT NAME PVNGS-3 DATE 09 09 88 COMPLETED BY T J Bloom TELEPHONE 602 3 1-4187

1. Scheduled date for next refueling shutdown.

03/03/89

2. Scheduled date for restart following refueling.

05/27/89

3. Will refueling or resumption of operation thereafter require a Technical Specification change or other license amendment?'es, these are expected to include the following: 2.1.1.1, 3/4 1.1.2, 3/4 1.1.3, 3/4 1.3.1, 3/4 1.3.6, 3/4 2.1, 3/4 2.3, 3/4 2.4, 3/4 2.5, 3/4 2.8, 3/4 3.1, 3/4 3.2.

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

11/88

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, new operating procedures.

The fuel vendor for the next five reloads will be Combustion Engineering.

6. The number of fuel assemblies a) In the core. 241 b) In the spent fuel storage pool. 0

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).

II

SUMMARY

OF OPERATING EXPERIENCE FOR THE MONTH DOCKET NO. 50-530 UNIT NAME PVNGS-3 DATE 09 09 88 COMPLETED BY T J Bloom TELEPHONE 602 371-4187 AUGUST 1988 08/01 0000 Unit 3 in Mode 1 at approximately 8% reactor power following a lightening strike of the B-phase main transfer (main turbine trip resulted).

08/01 1625 Unit 3 entered Mode 2.

08/01 1759 Unit 3 entered Mode 3.

08/18 0620 Unit 3 entered Mode 2.

08/18 1525 Unit 3 entered Mode 1.

08/18 2238 Main generator synchronized to the grid.

08/19 1900 Reactor power at 44%

(approx.)

08/20 0639 Reactor power at 100%.

08/21 1329 Reactor power reduced to 95% following a turbine load reduction which was made in response to high backpressure in condenser a high alarm on condensate demineralizer inlet temperature.

'C'nd 08/21 1830 Reactor power at 97.5%.

08/22 0007 Reactor power at 100%.

08/25 0304 Reactor power stabilized at 50% following a reactor power cutback which resulted from the 'B'eedwater pump tripping during the weekly surveillance testing.

08/25 0645 Reactor power at 65%.

08/26 '

0831 Reactor power,'at 100%.

08/31 2400 Reactor power at 100%.

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SHUTDOWNS AND POWER REDUCTIONS DOCKET NO. 50-530 UNIT NAME PVNGS-3 DATE COMPLETED BY T. J. Bloom Method of Cause and Corrective Duration Shutting System Component Action to No. Date Typei Hours Reason2 Down Reactor LER No. Code4 Code5 Prevent Recurrence 6 07/31 F 430.6 H N/AP N/AP N/AP Turbine trip occurred when~

a lighting strike tripped the B-phase main transformer on 7/31. Unit 3 subsequently manually shutdown to inspect/repair any damaged equipment.

7 08/25 F N/A N/AP N/AP N/AP Reactor power reduced to 50$ following a reactor power cutback which resulted from the pump tripping

'B'eedwater during surveillance testing.

F-Forced Reason: Hethod: Exhibit F-instructions S-Scheduled A-Equipment Failure (Explain) 1-Hanual for Preparation of the Data 8-Haintenance or Test 2-Hanua l Scram Entry Sheets for Licensee C-Refueling 3-Automatic Scram Event Report (LER) File D-Regulatory 'Restriction 4-Continuation from (HUREG 0161)

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

Arizona Nuclear Power Project P.O. BOX 52034 ~ PHOENIX, ARIZONA85072-2034 212-00363-JGH/TJB September 13, 1988 Docket Nos. STN 50-528/529/530 Document Control Desk U. S. Nuclear Regulatory Commission Mail Station Pl-137 Washington, D.C. 20555

Dear Sirs:

Subj ect: Palo Verde Nuclear Generating Station (PVNGS)

Units 1, 2 and 3 Monthly Operating Reports for August 1988 File'8-024-404 88-056-026 Attached are the Monthly Operating Reports for August 1988 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 a copy of the Monthly Operating Reports to the Regional Administrator of the Region V Office.

If you have any questions, please contact Mr. T. J. Bloom, at (602) 371-4187.

Very truly yours, J. G. Haynes Vice President Nuclear Production JGH/TJB/dim Attachments cc: ED E. Van Brunt, Jr. (all w/attachments)

D. B. Karner J. A. Amenta A. C. Gehr M. J. Davis J. B. Martin INPO Records Center

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