ML17310A547

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

ML17310A547
Person / Time
Site:	Palo Verde
Issue date:	07/31/1993
From:	Ecklund B ARIZONA PUBLIC SERVICE CO. (FORMERLY ARIZONA NUCLEAR
To:
Shared Package
ML17310A546	List: ML17310A544 ML17310A547 ML17310A548
References
NUDOCS 9308190122
Download: ML17310A547 (21)

Text

I AVERAGE DAILY UNIT POWER LEVEL DOCKET NO.UNIT NAME DATE COMPLETED BY TELEPHONE SH26 EHG.ki QEQBM EREAtund MONTH: July 1993 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL 10 12 13 14 15 1192 1180 1174 1169 1159 1154 1138 1126 1113 1105 1099 1100 1100 1103 1102 18 19 20 21 22 23 24 25 26 27 28 29 30 31 1100 1101 1097 1086 1072 1065 1056 1046 1037 1026 1017 1005 994 983 971 16 1104 REFUELING INFORMATION DOCKET NO.UNIT NAME DATE COMPLETED BY TELEPHONE SH25 MbLG&1 9953M KRXaldund Scheduled date for next refueling shutdown.09/04/93, 4th refueling.

Scheduled date for restart following refueling.

11/23/93.Will refueling or resumption of operation thereafter require a Technical Specification change or other'icense amendment?

Yes, required to add topical report"Sys 80" Inlet Flow distribution to Tech.Spec Section 6.9.1.10.Scheduled date for submitting proposed licensing action and supporting Information.

08/30/93.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 GuardianŽdebris 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.

e)In Inc cere.~b)In the spent fuel storage pool.Licensed spent fuel storage capacity.Intended change in spent fuel storage capacity.~og 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).

I~

SUMMARY

OF OPERATING EXPERIENCE FOR THE MONTH DOCKET NO.UNIT NAME DATE COMPLETED BY TELEPHONE 2L526 MKik1 QBLQBL93 L'Mukluk AM!SR'7/01 07/10 07/1 8 07/31 0000 2045 2000 2400 Unit began the month in Mode 1, approximately 96%RX power, with end of core life coastdown in progress.RX power reached 89%.Commenced T-cold portion of the coastdown.

Reactor power will be held, constant at 89%while T-cold is allowed to decrease from 565'to 560'.T-cold reached 560'.Commenced portion of coastdown where T-cold will be held constant at 560'and reactor power will be allowed to decrease to 72%.Unit ended the month in Mode 1, approximately 89%RX power, with end of core life coastdown in progress.

SHUTDOWNS AND POWER REDUCTIONS July 1993 DOCKET NO UNIT NAME DATE COMPLETED BY TELEPHONE 8=25~PV gS~~08/)~/3'S~ERLuad 34 4 No.Outage Duration Date Type" Hours Method of Shutting Reason Down Reactor LER No.System Code4 Component Code5 Cause and Corrective Action to 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 8 License Examination F-Administrative G-Operational Error H-Other (Explain)3Method: 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)

Exhibit F-Instructions for Preparation of the Data Entry Sheets for Licensee Event Report (LER)File (NUREG 0161)Exhibit H-Same Source

AVE RAGE DAILY UNIT POWER LEVEL DOCKET NO.UNIT NAME DATE COMPLETED BY TELEPHONE SLUR EHG&2 QB LOBED L KZalduad MONTH: July 1993 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL 10 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 REFUELING INFORMATION DOCKET NO.UNIT NAME DATE COMPLETED BY TELEPHONE 2822 EbKK QEGBL92 9'Makluad Scheduled date for next refueling shutdown.The 5th refueling outage is tentatively scheduled for 09/17/94.Scheduled date for restart following refueling.

12/06/94.Will refueling or resumption of operation thereafter require a Technical Specification change or other license amendment?

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

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.

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

a)Inthecore.

~~b)In the spentfuel storage pool.~~Licensed spent fuel storage capacity.~29 Intended change in spent fuel storage capacity.~rig 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.UNIT NAME DATE COMPLETED BY TELEPHONE K-'i29 ELbLGR2 QGLOKQ 9'Makluad 07/01 07/31 0000 2400 Unit began the month in Mode 5, 4th refueling outage in progress.Unit ended the month in Mode 5, 4th refueling outage in progress.

SHUTDOWNS AND POWER REDUCTIONS July 1993 DOCKET NO 50-'~2 UNIT NAME EVVGS-2 DATE Qgj//9 f93 COMPLETED BY~BF+c~ud No.Date Outage Duration Type" Hours Reason Method of Shutting Down Reactor LER No.System Code" Component Code5 Cause and Corrective Action to Prevent Recurrence 93-02 03/19/93 S 744.0 N/A N/A N/A Fourth refueling outage continued.

1F Forced S-Scheduled Reason: A-Equipment Failure(Explain)

B-Maintenance or Test C-Refueling D-Regulatory Restriction E-Operator Training 8 License Examination F-Administrative G-Operational Error H-Other (Explain)3Method: 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)

Exhibit 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.UNIT NAME DATE COMPLETED BY TELEPHONE K=HO ERG.&2 QEQKK ELGJRlduod MONTH: July 1993 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL 10 12 13 14 15 16 1266 1257 1257 1267 1267 1265 1262 1264 1266 1266 1265 1267 1264 1264 1263 1262 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 1260 1263 1264 1262 1262 1262 1262 1261 1260 1261 1263 1261 1262 1258 1257 REFUELING INFORMATION DOCKET NO.UNIT NAME DATE COMPLETED BY TELEPHONE K=GZ EbKzH QE99L92!duad Scheduled date for next refueling shutdown.03/12/94, 4th refueling.

Scheduled date for restart following refueling.

05/31/94.Will refueling or resumption of operation thereafter require a Technical Specification change or other license amendment?

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

Mid to latter part of 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.

U3C5 will incorporate a new higher maximum enrichment level of 4.30%U235 and will also utilize a new integral burnable absorber, Erbium.The NRC granted a license amendment (No.35)which allows the use of 80 fuel rods clad with advanced zirconium based alloys (other than Zircaioy<)

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.

e)In the core.~b)In the spent fuel storage pool.Licensed spent fuel storage capacity.Intended change in spent fuel storage capacity.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.UNIT NAME DATE COMPLETED BY TELEPHONE SLY MK&QEQBLK~Rklund 07/01 07/31 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 July 1993 DOCKET NO$4539 UNIT NAME@VVI~~DATE Qf//I~I COMPLETED BY~B UKRUK4M No.Outage Duration Date Type Hours Method of Shutting Reason Down Reactor LER No.System Code4 Component Code5 Cause and Corrective Action to Prevent Recurrence No reactor shutdowns or significant power reductions occurred during the month.1F-Forced S-Scheduled 2Reason A-Equipment Failure(Explain)

B-Maintenance or Test C-Refueling D-Regulatory Restriction E-Operator Training 8 License Examination F-Administrative G-Operational Error H-Other (Explain)3Method: 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 ENCLOSURE 2 REVISED PAGE FOR JANUARY 1993 UNIT 1 MONTHLY OPERATING REPORT

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