ML17310A282

Monthly Operating Repts for Apr 1993 for Palo Verde Nuclear Generating Station Units 1,2 & 3

ML17310A282
Person / Time
Site:	Palo Verde
Issue date:	04/30/1993
From:	Ecklund B, James M. Levine ARIZONA PUBLIC SERVICE CO. (FORMERLY ARIZONA NUCLEAR
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
417-00056-JML-B, 417-56-JML-B, NUDOCS 9305180325
Download: ML17310A282 (31)

Text

ACCELERANT DOCUMENT DISTRIBUTIONSYSTEM REGULRT INFORMATION DISTRIBUTIONISTEM (RIDE)

ACCESSION NBR:930 FACIL:STN-50-528 STN-50-529 STN-50-530 AUTH.NAME ECKLUND,B.S.

LEVINEFJ.M.

RECIP.NAME 5180325 DOC.DATE: 93/04/30 NOTARIZED:

NO DOCKET Palo Verde Nuclear Station, Unit 1, Arizona Publi 05000528 Palo Verde Nuclear Station, Unit 2, Arizona Publi 05000529 Palo Verde Nuclear Station, Unit 3, Arizona Publi 05000530 AUTHOR AFFILIATION R

Arizona Public Service Co. (formerly Arizona Nuclear Power Arizona Public Service Co. (formerly Arizona Nuclear Power RECIPIENT AFFILIATION I

D

SUBJECT:

Monthly operating repts for Apr 1993 for Palo Verde Nuclear Generating Station Units 1,2 a 3.W/930514 ltr.

DISTRIBUTION CODE:

IE24D COPIES RECEIVED:LTR

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ENCL j SIZE:

( 6 TITLE: Monthly Operating Report (per Tech Specs)

NOTES:STANDARDIZED PLANT Standardized plant.

Standardized plant.

05000528 A

05000529 05000530 RECIPIENT ID CODE/NAME PDV LA TRAMMELL,C INTERNAL: ACRS AEOD/DSP/TPAB NRR/DRIL/RPEB RGN5 EXTERNAL:

EGE(G BRYCE,J.H NSIC COPIES LTTR ENCL 3

3 1

1 10 10 1

1 1

1 1

1 1

1 1

1 RECIPIENT ID CODE/NAME PDV PD TRAN,L AEOD/DOA NRR/J)ORS/OEAB REG FIL 01 NRC PDR COPIES LTTR ENCL 1

1 1

1 1

1 1

1 1

1 1

1 A

NOTE TO ALL"RIDS" RECIPIENTS:

PLEASE HELP US TO REDUCE WASTE! CONTACT THE DOCUMENT CONTROL DESK, ROOM PI-37 (EXT. 504-2065) TO ELIMINATEYOUR NAME FROM DISTRIBUTION LISTS FOR DOCUMENTS YOU DON'T NEED!

D TOTAL NUMBER OF COPIES REQUIRED:

LTTR 25 ENCL 25

Arizona Public Service Company PALO VERDE NUCLEAR GENERATING STATION P.O. BOX 52034

~

PHOENIX, ARIZONA85072-2034 JAMES M. LEVINE VICE PRESIDENT NUCLEAR PRODUCTION 417-00056-JML/BSE/FHD May 14, 1993 U. S. Nuclear Regulatory Commission ATTN: Document Control Desk Mail Station P1-37 Washington, DC 20555

Subject:

Palo Verde Nuclear Generating Station (PVNGS)

Units 1, 2, and 3 Docket Nos. STN 50-528/529/530 Monthly Operating Reports for April 1993 File: 93-024-404 93-056-026 Enclosed are the Monthly Operating Reports for April 1993, prepared and submitted pursuant to Specification 6.9.1.6 of Appendix A (Technical Specifications) to the PVNGS Units 1, 2, and 3 Operating Licenses.

By copy of this letter, Arizona Public Service Company is also forwarding the Monthly Operating Reports to the Regional Administrator, NRC Region V.

If you have any questions, please contact Brad S. Ecklund at (602) 340-4068.

Sincerely, JML/BSE/FHD/gez Enclosures cc:

(all w/enclosures)

J. B. Martin S. C. Thornton A. H. Gutterman NRC Senior Resident Inspector INPO Records Center Utility Data Institute 9305180325 930430 PDR ADQCK 05000528 R

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AVERAGE DAILY UNIT POWER LEVEL DOCKET NO.

50-528 UNIT NAME PVNGS-1 DATE COMPLETED BY B.

S. Ecklund MONTH: April 1993 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL 10 12 13 14 1247 1248 1250 1248 1250 1250 1251 1251 1250 1249 1248 1249 1253 1253 17 18 19 20 22 23 24 25 26 27 28 29 30 1249 1249 1250 1251 1249 1247 1248 1242 1249 1247 1246 1248 1245 1246 15 1253 16 1251 2

REFUELING INFORMATION DOCKET NO.

50-528 UNIT NAME PVNGS-1 DATE COMPLETED BY B S

Ecklund Scheduled date for next refueling shutdown.

09/04/93, 4th refueling Scheduled date for restart following refueling.

11/23/93 Vill refueling or resumption of operation thereafter require a Technical Specification change or other license amendments There will be no need for a Technical Specification change or other license amendment.

Scheduled date for submitting proposed licensing action and supporting information.

N/A 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.

APS intends to use Guardian'debris resistant grids in Unit 1 Batch G fuel and has submitted, for NRC review, a Topical

Report, "System 80" Inlet Flow Distribution, Supplement 1-P to Enclosure 1-P to LD-82-054," that discusses a revision to the analysis method.

The number of fuel assemblies.

a)

In the core.

241 b)

In the spent fuel storage pool.

276 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.

2005 (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 B.

S. Ecklund

~Aril 1993 04/01 04/30 0000 2400 Unit began the month in Mode 1, 100$

RX power.

Unit ended the month in Mode 1, 100%

RX power.

SHUTDOWNS AND POWER REDUCTIONS April 1993 DOCKET NO 50-528 UNIT NAME PVNGS-1 DATE COMPLETED BY B.

S. Ecklund No.

Outage Method of Duration Shutting System Date Type Hours Reason Down Reactor LER No.

Code Cause and Corrective Component Action to Code~

Prevent Recurrence No reactor shutdowns or significant power reductions occurred during the month.

~F-Forced S-Scheduled

~Reason:

A-Equipment Failure(Explain)

B-Maintenance or Test C-Refueling D-Regulatory Restriction E-Operator Training & License Examination F-Administrative G-Operational Error H-Other (Explain)

~Method:

1-Manual 2-Manual Scram 3-Automatic Scram 4-Continuation from Previous Month 5-Reduction of 20% or Greater in the Past 24 Hours 9-Other-(Explain) 4Exhibit F-Instructions for Preparation of the Data Entry Sheets for Licensee Event Report (LER) File (NUREG 0161)

~Exhibit H-Same Source 5

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NRC MONTHLY OPERATING REPORT DOCKET NO.

50-529 UNIT NAME PVNGS-2 DATE COMPLETED BY B.

S Ecklund OPERATING STATUS 1.

2.

3.

4.

5.

6.

7.

8.

9.

10.

Unit Name:

Palo Verde Nuclear Generatin Station Unit 2 Reporting Period:

April 1993 Licensed Thermal Power (MWt):

3800 Nameplate Rating (Gross MWe):

1403 Design Electrical Rating (Net MWe):

~12 0

Maximum Dependable Capacity (Gross MWe): 1303 Maximum Dependable Capacity (Net MWe):

1221 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 Reasons For Restrictions, If Any:

N A i"'>'66mQ18.tiVe"go">88oui:

8!::::3 XL: Repo re;ns"'Pe r3;Od'/:.:;:;;:;;:;;::!o'",;:jlpga"i<~)gjq l<l6<3/pj;:,,8 720 2,880 57,984 12 13

.;:;:": HouxS;::;:RQRC'tOX": ?888:.:;;Cr'itiQ@I!iiiiiij(NR<;'.:;:::;".9/;.;3poP o<kjji)a

::;::;RSSC.t pX~!R88egV8',:::,Shu'tdQWXti@HQQ$ 8. :;.8':(;?6;:<6(<op!)dr:.

0.0 0.0 0.0 1,732.8 41,558.2 0.0 15 16.

17 18 19 20 21 22 23

<.',,'Hours<>',Generator,:;:;::.wee,':,':;pn,~L'dna,":".:,:@>SIR:.':::::::,:.'::;,:>:I".gtg

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w."::>%'55 ':

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,',,Un'i;:t::.::,.F'ore'e'd.:';,Ou'tape:;;,"Rate/(!$

0.0 0.0 0

0 0

0.0%

0.0%

0.0%

0.0%

0.0%

1,732.8 0.0 6,557,946 2,276,500 2,131,321 60.2%

60.2%

60.6%

58.3%

6.2%

40,789.4 0.0 150,594,902 52,442,570 49,126,040 70.3%

70.3%

69. 4%

66.7%

6.4%

24.

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

Refuelin outa e

March 20 1993.

80 da s.

Outa e extension to re air SG tubes.

25.

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

06 26 93 INITIALCRITICALITY INITIALELECTRICITY COMMERCIAL OPERATION Forecast

~03 86 06 86 11 86 Achieved 04/618 86 05 20 86 09 19 86 6

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0 AVERAGE DAILY UNIT POWER LEVEL DOCKET NO.

50-529 UNIT NAME PVNGS-2 DATE COMPLETED BY B.

S Ecklund MONTH: April 1993 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL 17 18 19 20 21 22 23 24 25 10 26 27 12 28 13 29 14 30 15 7

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REFUELING INFORMATION DOCKET NO.

50-529 UNIT NAME PVNGS-2 DATE COMPLETED BY B.

S Ecklund 2.

Scheduled date for next refueling shutdown.

The 5th refueling outage is scheduled for'09/17/94 Scheduled date for restart following refueling.

12/06/94 3.

Wi11 refueling or resumption of operation thereafter require a Techn'ical Specification change or other license amendment

change may be required to Technical Specification 3.9.6 to raise the overload cutoff limit to accommodate the new fuel assembly modification.

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.

The fuel assembly will consist of a denser fuel pellet, Erbia burnable absorber and guardian grid.

6

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The number of fuel assemblies.

a)

In the core.

0 b)

In the spent fuel storage pool.

529*

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 end of April.

The reactor is defueled during refueling operations in accordance with PVNGS procedures.

There will be 241 assemblies in the core and 384 assemblies in the spent fuel pool upon completion of the refueling outage.

8

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SUMMARY

OF OPERATING EXPERIENCE FOR THE MONTH DOCKET NO.

50-529 UNIT NAME PVNGS-2 DATE COMPLETED BY B.

S Ecklund A~rf.l 1993 04/01 04/01 04/04 04/30 0000 0413 0953 2400 Unit began the month in Mode 6, 4th refueling outage in progress.

Commenced core offload.

Completed core offload.

Exited Mode 6.

Unit ended the month defueled.

9

SHUTDOWNS AND POWER REDUCTIONS April 1993 DOCKET NO 50-529 UNIT NAME PVNGS-2 DATE COMPLETED BY B.

S.

Ecklund No.

Outage Method of Duration Shutting System Date Type Hours Reason Down Reactor LER No. Code'ause and Corrective Component Action to Code~

Prevent Recurrence 93-02 03/19/93 S

720.0 N/A N/A N/A Fourth refueling outage continued.

~F-'Forced S-Scheduled

~Reason:

A-Equipment Failure(Explain)

B-Maintenance or Test C-Refueling D-Regulatory Restriction E-Operator Training & License Examination F-Administrative G-Operational Error H-Other (Explain)

~Method:

1-Manual 2-Manual Scram 3-Automatic Scram 4-Continuation from Previous Month 5-Reduction of 20$ or Greater in the Past 24 Hours 9-Other-(Explain) 4Exhibit F-Instructions for Preparation of the Data Entry Sheets for Licensee Event Report (LER) File (NUREG 0161)

~Exhibit H-Same Source

AVERAGE DAILY UNIT POWER LEVEL DOCKET NO.

50-530 UNIT NAME PVNGS-3 DATE COMPLETED BY B S

Ecklund MONTH: April 1993 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL 1257 17 1261 1257 18 1261 1260 1264 1249 20 685 1261 21 1258 22 5 0 1261 23 1257 1262 24 1259 1260 25 1262 10 1258 1261 26 27 1259 1259 12 1259 28 1259 13 1261 29 1257 14 1262 30 1255 1261 16 1261

IL

REFUELING INFORMATION DOCKET NO.

50-530 UNIT NAME PVNGS-3 DATE COMPLETED BY B.

S. Ecklund Scheduled date for next refueling shutdown.

03/12/94, 4th refueling.

Scheduled date for restart following refueling.

05/31/94.

Vill refueling or resumption of operation thereafter require a Technical Specification change or other license amendmentt Unknown at this time.

Unit 3 Cycle 5 is presently in the preliminary design stages.

Scheduled date for submitting proposed licensing action and supporting information.

Mid 1993.

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.

The NRC granted a license amendment (No. 35) which allows the use of 80 fuel rods clad with advanced zirconium based alloys (other than Zircaloy-4) in two fuel assemblies during Unit 3 Cycles 4, 5,

and 6 for in-reactor performance evaluation.

Date of issuance was July 20, 1992.

The number of fuel assemblies.

a)

In the core.

241 b)

In the spent fuel storage pool.

284 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.

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

13

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4.

SUMMARY

OF OPERATING EXPERIENCE FOR THE MONTH DOCKET NO.

50-530 UNIT NAME PVNGS-3 DATE COMPLETED BY B.

S.

Ecklund April 1993 04/01 04/20 04/22 04/22 04/22 04/22 04/22 04/22 04/22 04/22 04/30 0000 1328 0251 0330 0345 0401 0455 1000 1133 2336 2400 Unit began the month in Mode 1, 100%

RX power.

Turbine trip on HP turbine bearing ¹1 high vibration followed by a reactor power cutback to 47%.

Power was subsequently lowered to 10-12% for troubleshooting and repairs.

Synchronized the main generator to the grid.

Stabilized RX power at 15%.

Commenced RX power increase to 19%.

Stabilized RX power at 19% for a surveillance test.

Commenced RX power increase to 100% at 8% per hour.

Stopped RX power increase at 42.9 to perform surveillance test.

Recommenced RX power increase to 100$.

Stabilized RX power at 100% power.

Unit ended the month in Mode 1, 100%

RX power.

14-

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SHUTDOWNS AND POWER REDUCTIONS April 1993 DOCKET NO 50-530 UNIT NAME PVNGS-3 DATE COMPLETED BY B.

S. Ecklund No.

Outage Duration Date Type'ours Reason'ethod of Shutting System Down Reactor'ER No. Code'ause and Corrective Component Action to Code'revent Recurrence 93-04 04/20/93 F

N/A N/A N/A N/A RX power cutback to 47%

following a

main turbine trip.

'F-Forced S-Scheduled

'Reason:

'Method:

A-Equipment Failure(Explain) 1-Manual B-Maintenance or Test 2-Manual Scram C-Refueling 3-Automatic Scram D-Regulatory Restriction 4-Continuation from E-Operator Training 6 License Previous Month Examination 5-Reduction of 20% or F-Administrative Greater in the Past G-Operational Error 24 Hours H-Other (Explain) 9-Other-(Explain) 4Exhibit F-Instructions for Preparation of the Data Entry Sheets for Licensee Event Report (LER) File (NUREG 0161)

'Exhibit H-Same Source 15

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