ML17311A269

Monthly Operating Repts for Aug 1994 for Palo Verde Nuclear Generating Station.W/940913 Ltr

ML17311A269
Person / Time
Site:	Palo Verde
Issue date:	08/31/1994
From:	Ecklund B, James M. Levine ARIZONA PUBLIC SERVICE CO. (FORMERLY ARIZONA NUCLEAR
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
417-0000243-JML, 417-243-JML, NUDOCS 9409190131
Download: ML17311A269 (26)

Text

REGULATORY INFORMATION DISTRIBUTION SYSTEM (RIDS)

ACCESSION NBR:9409190131 DOC.DATE: NOTARIZED: NO DOCKET N 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 p AUTH. NAME AUTHOR AFFILIATION ECKLUND,B.S. 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 repts fo Aug 1994 for Palo Verde Nuclear Generating Station.W/940913 ltr. 0 DISTRIBUTION CODE: IE24D COPIES RECEIVED:LTR TITLE: Monthly Operating Report (per Tech Specs)

/ ENCL / SIZE: 7 NOTES:STANDARDIZED PLANT 05000528 Standardized plant. 05000529 Standardized plant. 05000530 RECIPIENT COPIES RECIPIENT COPIES ID CODE/NAME LTTR ENCL ID CODE/NAME LTTR ENCL PD4-2 PD 1 .1 HOLIAN, B 1 1 TRAN,L 1 1 INTERNAL: ACRS 10 10 AEOD/SPD/RRAB 1 1 NRR/MQRSJOEAB 1 1 NRR/PMAS/IRCB-E 1 1 REG FILE 01 1 1 RGN4 1 '

D EXTERNAL: EGGG BRYCE,Z.H 1 1 NOAC 1 1 NRC PDR 1 1 U

N NOTE TO ALL"RIDS" RECIPIENTS:

PLEASE HELP US TO REDUCE WASTE! CONTACTTHE DOCUMENT CONTROL DESK, ROOM Pl-37 (EXT. 504-2083 ) TO ELIMINATEYOUR NAME FROM DISTRIBUTIONLISTS I'OR DOCUMENTS YOU DON T NEED!

TOTAL NUMBER OF COPIES REQUIRED: LTTR 21 ENCL 21

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--- j BR Arizona Public Service Company PALO VERDE NUCLEAR GENERATING STATION P.O. I3OX 52034 ~ PHOENIX, ARIZONA85072-2034 JAMES M. LEVINE VICE PAESIOENT NUCLEAR PAODUCTION 417-0000243- JML/BSE September 13, 1994 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 August 1994 File: 94-024-404 94-056-026 Enclosed are the Monthly Operating Reports for August 1994, 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 IV.

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

Sincerely, JML/BSE/plv

Enclosures:

1 - August 1994 Monthly Operating Reports cc: L. J. Callan (all w/enclosures)

K. E. Perkins NRC Senior Resident Inspector INPO Records Center Utility Data Institute

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ENCLOSURE 1 MONTHLYOPERATING REPORTS FOR AUGUST 5994

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t NRC MONTHLYOPERATING REPORT l 50-528 DOCKET NO.

UNIT NAME PVNGS-1 DATE 09/09/94 COMPLETED BY B. S. Ecklund OPERATING STATUS

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

2. Reporting Period: Au ust 1994

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 DependableCapacity(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

.,',;:;:'.;,;::.;:;::;:-;:e".~~k@N@! Unit;1:.',Generation mStat<stics<<k:;:! cNFkFÃk','::!:: 8::4':This;,Mofitb~~t k-~$Yr'::~to.:::Dat'e'Y"'5>> mN!l::Cum'iilativ'e!4!F:.

.'::Ao<<u'r~s;:fr'i.Re 'aitken'Period:~~5'I.';4 ~4<3::::..3;:,,!:;,:..',.:,.:',:....:.:,..'<<'": 744 5,832 75,312

""XPjg<Pg~:;: +:::::i':::@h~r~>><<'P+cgg@>.. 'jkg.';~~<<j$ (3g.".P)~>>~i@(Ni@>">>g:

12 Ho'u>> rs.":.Rea stol'4'vas',Criticat <<:::."'.NM".:".':!'.:"<<Ri'".":Sk)K'i:::.i ":;;i 744.0 5,832.0 47,789.4 13  :..Rea'c<<tor.".::Reserve".::S'hutdowriIHour's'::.'..':":";.:'4::jul+>>k~,":<<i":.'::".'i'.":':: 0.0 0.0 0.0 14  :;.Hoii&::::Generatoi':::afire',On-.'LiYie',:;".'-;4';:;:::;:;:::~5$$ :,,:.:;,:.~:::-::.::~,':;:.:<< '::::::..':::.';::::.': 744.0 5,832.0 46,831.9 15 ":Unit:::Rese'iv'e';8h'utdoQ'iiH>>oui s'::.-'::!:.'::.::.,":!,".'.:,4'.";<<".:,'::::0::.':::.":;::,:Sing::gi:,':;,:::: 0.0 0.0 0.0 16 :Gi'oss,:Theiiiial,'E<<n'er '::Ge'nXrate'd:: MWH:::::::.::::;.;'.:i."4'.:l~%5)m>>, 2,763,506 19,636,692 168,667,240 17 Cross'!Elec<<tricai;Ene'r".""".:,Ge'fera<<ted',: MQIH '!><)~4>j~,"::i:;::..'::,::: 938,100 6,823,200 58,477,800 18  :;Ne<<t'.<<Efe'i:t'ical! En'ii.'"".':Gi."ri'e'i%t'edYMWH';':::',::N>>j'>>l~;:P~;l.::.':;>>;-'::'<<~<<h 885,240 6,406,255 54,864,616 19  :.Unit',Service!Factor.;::%%d Y5$%xk:4@N$ ,~; ",:-,::::,.o~:";.:.@kgcc~%5$@xe;':'; 100 0% 1PP P 62.2%

20 Un'it'.'AVailabiilt":,'.Fa'cto~r'.,:".~to <.'.";:.~~P<'.:,':::!:.:,:i,::.:,3::;;:;:;:::3p>><<,'j,;.;,:,.>>;"::;.j::,j:i<<<j~ 100.0% 1PP P 62.2%

21 <<',u>>n1t.,'Ca" a'cit ',::;Pa'cto'r,":,'s1ii'"WlD'Ci'Net <<'<~(g(':;.';~(~i''.j~.l';".';.";',:::::::::,': 97.4% 90.0% 59.7%

22 93.7% 86.5% 57.4%

23 p.p pp 14 1%

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 INITIALCRITICALITY 05/85 05/25/85 INITIALELECTRICITY 06/85 06/10/85 COMMERCIALOPERATION 11/85 01/28/86

AVERAGE DAILYUNIT POWER LEVEL DOCKET NO. 50-528 UNIT NAME PVNGS-1 DATE 09/09/94 COMPLETED BY MW=

B. S. Ecklund MONTH: August 1994 DAY AVERAGE DAILYPOWER LEVEL DAY AVERAGE DAILYPOWER LEVEL 1201 17 1191 1201 18 1196 1203 19 1194 1199 20 1196 1199 21 1197 1120 22 1199 1193 23 1201 1197 24 1202 1199 25 1195 10 1199 26 1196 1198 27 1198 12 1197 28 1199 13 1196 29 1192 14 1195 30 1180 15 1196 31 1195 16 1194

DOCKET NO. 50-528 UNIT NAME PVNGS-1 DATE 09/09/94 COMPLETED BY B. S. Ecklund Scheduled date for next refueling shutdown.

The 5th refueling outage is tentatively scheduled for 04/01/95.

Scheduled date for restart following refueling.

06/1 0/95.

Will refueling or resumption of operation thereafter require a Technical Specification change or other license amendment7 Yes Scheduled date for submitting proposed licensing action and supporting information.

12/28/94 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 utilize Erbium as a burnable absorber (as was done for Units 2 and 3).

The number of fuel assemblies.

a) In the core. 241 b) In the spent fuel storage pool. 368 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).

SUMMARY

OF OPERATING EXPERIENCE FOR THE MONTH DOCKET NO. 50-528 UNIT NAME PVNGS-1 DATE 09/09/94 COMPLETED BY B. S. Eckiund

~Au uut 1994 08/01 0000 Unit began the month in Mode 1, 98% RX power, T-cold at-556 degF.

08/06 0200 Commenced downpower to 86% for chemical hideout return testing.

08/06 0257 RX power is at 86%.

08/06 1334 Commenced power ascension to 98%.

08/06 1645 Completed power ascension to 98%.

08/31 2400 Ended month in Mode 1, 98% RX power, T-cold at -555 degF.

SHUTDOWNS AND POWER REDUCTIONS August 1994 DOCKET NO 50-528 UNIT NAME PVNGS-1 DATE 09/09/94 COMPLETED BY B. S. Ecklund Outage Method of Duration Shutting Down System Component Cause and Corrective Action No. T e1 Hours Reason2 Reactor LER No. Code4 Code to Prevent Occurrence No reactor shutdowns or significant power reductions occurred during the month of August, 1994.

1F-Forced Reason: 3Method: 4Exhibit F - Instructions for Preparation S-Scheduled A-Equipment Failure(Explain) 1-Manual of the Data Entry Sheets for Licensee B-Maintenance or Test 2-Manual Scram Event Report (LER) File (NUREG 0161)

C-Refueling 3-Automatic Scram D-Regulatory Restriction 4-Continuation from Previous Month E-Operator Training 8 License 5-Reduction of 20% or Greater in the Exhibit H-Same Source Examination Past 24 Hours F-Administrative 9-Other-(Explain)

G-Operational Error H-Other (Explain)

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AVERAGE DAILYUNIT POWER LEVEL DOCKET NO. 50-529 UNIT NAME PVNGS-2 DATE 09/09/94 COMPLETED BY B. S. Ecklund MONTH: August 1994 DAY AVERAGE DAILYPOWER LEVEL DAY AVERAGE DAILYPOWER LEVEL 1095 17 1089 1094 18 1205 1096 19 1221 1092 20 1224 1093 21 1226 1089 22 1223 1090 23 1228 1092 24 1228 1090 25 1221 10 1090 26 1221 1089 27 1222 12 1089 28 1224 13 1087 29 1223 14 1087 30 1225 15 1088 31 1226 16 1087

REFUELING INFORMATION DOCKET NO. 50-529 UNIT NAME PVNGS-2 DATE 09/09/94 COMPLETED BY B. S. Ecklund Scheduled date for next refueling shutdown.

The 5th refueling outage is scheduled for 02/04/95.

Scheduled date for restart following refueling.

04/05/95.

Will refueling or resumption of operation thereafter require a Technical Specification change or other license amendment?

Technical Specification 3.9.6 to raise the overload cutoff limit will be changed to accommodate the new fuel assembly modification.

b. Technical Specification 3.4.2.1 will be modified to lower the PSV lift setting from 2500 psia to 2475 psia.

C. Technical Specification change to Note 5 of Table 4.3-1 for the proposed installation of a cycle independent shape annealing matrix.

Scheduled date for submitting proposed licensing action and supporting information.

10/27/94.

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, Erbium burnable absorber and guardian grid. A primary temperature drop of 10' is currently planned.

The number of fuel assemblies.

a) In the core. 241 b) In the spent fuel storage pool. 384 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).

SUMMARY

OF OPERATING EXPERIENCE FOR THE MONTH DOCKET NO. 50-529 UNIT NAME PVNGS-2 DATE 09/09/94 COMPLETED BY B. S. Ecklund A~uuut 1 994 08/01 0000 Unit began the month in Mode 1, 88% RX power, T-cold at-562 degF.

08/1 7 2215 T-Hot reduction MODS on EHC, Reactor Reg. & SBCS complete.

08/1 8 0013 Started Power increase from 88% to 100% and reducing T-Cold to -555 degF.

08/1 8 0433 RX power at 100%.

08/31 2400 Unit ended the month in Mode 1, 100% power, T-cold at -555 degF.

SHUTDOWNS AND POWER REDUCTIONS August 1994 DOCKET NO 50-529 UNIT NAME PVNGS-2 DATE 09/09/94 COMPLETED BY B. S. Ecklund Outage Method of Duration Shutting Down System Component Cause and Corrective Action No. Date T e" Hours Reason2 Reactor3 LER No. Code4 Code5 to Prevent Occurrence No reactor shutdowns or significant power reductions occurred during the month of August, 1994.

"F-Forced 2Reason: 3Method: 4Exhibit F - Instructions for Preparation S-Scheduled A-Equipment Failure(Explain) 1-Manual of the Data Entry Sheets for Licensee B-Maintenance or Test 2-Manual Scram Event Reporl (LER) File (NUREG 0161)

C-Refueling 3-Automatic Scram D-Regulatory Restriction 4-Continuation from Previous Month E-Operator Training 8 License 5-Reduction of 20% or Greater in the Exhibit H-Same Source Examination Past 24 Hours F-Administrative 9-Other-(Explain)

G-Operational Error H-Other (Explain) l Og

AVERAGE DAILYUNIT POWER LEVEL DOCKET NO. 50-530 UNIT NAME PVNGS-3 DATE 09/09/94 COMPLETED BY MW=

B. S. Ecklund MONTH: August 1994 DAY AVERAGE DAILYPOWER LEVEL DAY AVERAGE DAILYPOWER LEVEL 1230 17 1229 1231 18 1229 1234 19 683 1229 20 1231 21 279 1227 22 1051 1228 23 1232 1230 24 1233 1228 25 1228 10 1230 26 1229 1229 27 1231 12 1228 28 1231 13 1077 29 1230 14 1123 30 770 15 1227 31 16 1226

REFUELING INFORMATION DOCKET NO. 50-530 UNIT NAME PVN GS-3 DATE 09/09/94 COMPLETED BY B. S. Eckiund Scheduled date for next refueling shutdown.

09/16/95 5th refueling.

Scheduled date for restart following refueling.

11/25/95.

Will refueling or resumption of operation thereafter require a Technical Specification change or other license amendment?

To be determined.

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

June 1995, if required.

I important Licensing considerations associated with refueling, e.gnew or different fuel design or supplier, unreviewed design or performance analysis methods, significant changes in fuel design, and new operating procedures.

None.

The number of fuel assemblies.

a) In the core. 241 b) In the spent fuel storage pool. 380 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).

SUMMARY

OF OPERATING EXPERIENCE FOR THE MONTH DOCKET NO. 50-530 UNIT NAME PVNGS-3 DATE 09/09/94 COMPLETED BY B. S. Ecklund Adust 1994 08/01 0000 Unit began the month in Mode 1, 100/o RX power, T-cold at -556 degF.

08/12 2339 Commenced RX power reduction to 86ok for hideout return testing.

08/1 3 0310 Completed reducing plant power to 86O/o for chemical hideout return testing.

08/1 4 1630 Power restored at 100 k.

08/1 9 1319 Unit tripped on Steam Generator ¹1 low level.

08/1 9 1356 Entered Mode 3.

08/20 2055 RX is critical.

08/21 0106 Entered Mode 1; RX power >5o/o.

08/21 0505 Main generator synchronized to the grid.

08/22 0856 Stopped RX power decrease at 86k due to being in chemistry action level 1 for both steam generators - sulfates being out of spec - high.

08/22 1453 Commenced increasing RX power to 100/o at 3/o per hour.

08/22 2000 RX stabilized at 100k power.

08/30 1500 SG¹2 Hl level (MSIS) trip.

08/30 1500 RX trip. Control card failure in FWCS ¹2. Stabilized in Mode 3.

08/31 1953 Entered Mode 2.

08/31 2154 Entered Mode 1.

08/31 2400 Ended month in Mode 1, RX power 10 k, Turbine/Generator offline.

SHUTDOWNS AND POWER REDUCTIONS August 1994 DOCKET NO 50-530 UNIT NAME PVNGS-3 DATE 09/09/94 COMPLETED BY B. S. Ecklund Outage Method of Duration Shutting Down System Component Cause and Corrective Action No Date T e" Hours Reason2 ReactoR LER No. Code4 Code to Prevent Occurrence 94-02 8/1 9/94 F 39.8 A N/A N/A N/A RX Trip on SG ¹1 low level.

94-03 8/30/94 F 33.0 A N/A N/A N/A SG¹2 Hl level (MSIS) trip. RX trip. Control Card Failure in FWCS ¹2.

F-Forced Reason: 3Method: 4Exhibit F - instructions for Preparation S-Scheduled A-Equipment Failure(Explain) 1-Manual of the Data Entry Sheets for Licensee B-Maintenance or Test 2-Manual Scram Event Report (LER) File (NUREG 0161)

C-Refueling 3-Automatic Scram D-Regulatory Restriction 4-Continuation from Previous Month E-Operator Training 8 License 5-Reduction of 20% or Greater in the Exhibit H-Same Source Examination Past 24 Hours F-Administrative 9-Other-(Explain)

G-Operational Error H-Other (Explain)

I

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