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 DAILYUNIT POWER LEVEL DOCKET NO. SH26 UNIT NAME EHG.ki DATE QEQBM COMPLETED BY EREAtund TELEPHONE MONTH: July 1993 DAY AVERAGE DAILYPOWER LEVEL DAY AVERAGE DAILYPOWER LEVEL 1192 1100 1180 18 1101 1174 19 1097 1169 20 1086 1159 21 1072 1154 22 1065 1138 23 1056 1126 24 1046 1113 25 1037 10 1105 26 1026 1099 27 1017 12 1100 28 1005 13 1100 29 994 14 1103 30 983 15 1102 31 971 16 1104

REFUELING INFORMATION DOCKET NO. SH25 UNIT NAME MbLG&1 DATE 9953M COMPLETED BY KRXaldund TELEPHONE 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 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.

e) In Inc cere. ~

The number of fuel assemblies.

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. 2L526 UNIT NAME MKik1 DATE QBLQBL93 COMPLETED BY L 'Mukluk TELEPHONE AM!SR'7/01 0000 Unit began the month in Mode 1, approximately 96% RX power, with end of core life coastdown in progress.

07/10 2045 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'.

07/1 8 2000 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%.

07/31 2400 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 8=25 UNIT NAME ~PV gS~ '

DATE ~08/)~/3 COMPLETED BY S~ERLuad TELEPHONE 34 4 Cause and Outage Method of Corrective Action Duration Shutting System Component to Prevent No. Date Type" Hours Reason Down Reactor LER No. Code4 Code5 Recurrence No reactor shutdowns or significant power reductions occurred during the month.

"F-Forced Reason: 3Method: 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 8 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)

AVERAGE DAILYUNIT POWER LEVEL DOCKET NO. SLUR UNIT NAME EHG&2 DATE QB LOBED COMPLETED BY L KZalduad TELEPHONE MONTH: July 1993 DAY AVERAGE DAILYPOWER LEVEL DAY AVERAGE DAILYPOWER LEVEL 17 18 19 20 21 22 23 24 25 10 26 27 12 28 13 29 14 30 15 31 16

REFUELING INFORMATION DOCKET NO. 2822 UNIT NAME EbKK DATE QEGBL92 COMPLETED BY 9 'Makluad TELEPHONE 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. K-'i29 UNIT NAME ELbLGR2 DATE QGLOKQ COMPLETED BY 9 'Makluad TELEPHONE 07/01 0000 Unit began the month in Mode 5, 4th refueling outage in progress.

07/31 2400 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 Cause and Outage Method of Corrective Action Duration Shutting System Component to Prevent No. Date Type" Hours Reason Down Reactor LER No. Code" Code5 Recurrence 93-02 03/19/93 S 744.0 N/A N/A N/A Fourth refueling outage continued.

1F Forced Reason: 3Method: 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 8 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)

AVERAGE DAILYUNIT POWER LEVEL DOCKET NO. K=HO UNIT NAME ERG.&2 DATE QEQKK COMPLETED BY ELGJRlduod TELEPHONE MONTH: July 1993 DAY AVERAGE DAILYPOWER LEVEL DAY AVERAGE DAILYPOWER LEVEL 1266 17 1260 1257 18 1263 1257 19 1264 1267 20 1262 1267 21 1262 1265 22 1262 1262 23 1262 1264 24 1261 1266 25 1260 10 1266 26 1261 1265 27 1263 12 1267 28 1261 13 1264 29 1262 14 1264 30 1258 15 1263 31 1257 16 1262

REFUELING INFORMATION DOCKET NO. K=GZ UNIT NAME EbKzH DATE QE99L92 COMPLETED BY !duad TELEPHONE 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.

e) In the core. ~

The number of fuel assemblies.

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. SLY UNIT NAME DATE MK&

QEQBLK COMPLETED BY ~Rklund TELEPHONE 07/01 0000 Unit began the month in Mode 1, 100% RX power.

07/31 2400 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 Cause and Outage Method of Corrective Action Duration Shutting System Component to Prevent No. Date Type Hours Reason Down Reactor LER No. Code4 Code5 Recurrence No reactor shutdowns or significant power reductions occurred during the month.

1F-Forced 2Reason 3Method: 4Exhibit 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 8 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)

ENCLOSURE 2 REVISED PAGE FOR JANUARY 1993 UNIT 1 MONTHLYOPERATING REPORT

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