1CAN098408, Monthly Operating Rept for Aug 1984

Monthly Operating Rept for Aug 1984

ML20093E911
Person / Time
Site:	Arkansas Nuclear
Issue date:	08/31/1984
From:	John Marshall, Morton K ARKANSAS POWER & LIGHT CO.
To:	Bassett H NRC OFFICE OF RESOURCE MANAGEMENT (ORM)
References
1CAN098408, 1CAN98408, NUDOCS 8410120298
Download: ML20093E911 (6)

Text

_

e OPERATING DATA REPORT DOCKET NO:

50-313 DATE:

August, 1984 H

COMPLETED BY:K.L. Morton TELEPHONE:

501-964-3115

[

OPERATING STATUS 1.

Unit Name:

Arkansas Nuclear One -' Unit 1 2.

Reporting Period: -August 1-31, 1984 s

3.

Licensed Thermal Power (MWt):

2568 4.

Nameplate Rating (Gro % MWe):

902.74 5.

Design Electrical Rating (Net MWe):

850 6.

Maximum Dependable Capacity (Gross MWe):

833 7.

Maximum Dependable Capacity (Net MWe):

836 8.

If Changes Occur in Capacity Ratings (Items Number 3 Through 7) Jince Last Report, Give Reasons:

9.

Power Level To Which Restricted.

If Any (Net MWe):

None 10.

Reasons'For Restrictions.

If Any:

None MONTH YR-TO-DATE CUMULATVE

11. Hours in Reporting Period....

744.0 5,855.0 85,050.0 12.

Number of Hours Reactor was Critical.....................

744.0 5,224.4 57,659.9 13.

Reactor Reserve Shutdown Hours........................

0.0 0.0 5,044.0 14.

Hours Generator On-Line......

697.8 5,160.4 56,410.6 15.

Unit Reserve Shutdown Hours..

0.0 0.0 817.5

16. Gross Tnermal Energy Generated (MWH)........................

1,592,306.0 12,320,449.0 134,240,750.0

17. Gross Electrical Energy Generated (MWH)..............

526,110.0 4,122,675.0 44,261,040.0 18.

Net Electrical Energy Generated (MWH)..............

499,901.0 3,938,255.0 42,196,643.0 19.

Unit Service Factor..........

93.8 88.1 66.3 20.

Unit Availability Factor.....

93.8 88.1 67.3 21.

Unit Capacity Factor (Using MDC Net)..............

80.4 80.5 59.3 22.

Unit Capacity Factor (Using DER Net)..............

79.0

'i9.1 58.4 23.

Unit Forced Outage Rate......

6.2 1.2 14.8 24.

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

1R6 refueling and maintenance outage scheduled to begin October 12, 1984, and scheduled to restart December 22, 1985.

25.

If Shut Down At End of Report Period.

Estimated Date of Startup:

26.

Units in Test Status (Prior to Commercial Operation):

~

Forecast Achieved INTTIAL CRITICALITY INITIAL ELECTRICITY COMERCIAL OPERATION hb 8410120298 840831 PDR ADOCK 05000313 si R

PDR

///

p AVERAGE DAILY UNIT POWER LEVEL-DOCKET NO:

50-313 UNIT:

One DATE:

9/10/84 COMPLETED BY: K.L. P,rton TELEPHONE:

551 NB*-3115 v

MONTH August,'1984 DAY AVERAGE DAILY POWER LEVEL (MWe-Net) 1.............

718 2.............

716 3.............

715 4.............

713 5.............

711 6.............

711 7.............

711 8'.............

708 9.............

708 10............

596 11............

20 12............

592 13............

707 14............

705 15............

703-16............

702 17............

700 18............

698 19............

698 20............

698 21............

695 22............

694 23............

694 24............

693 25............

692 26............

691 27............

690 28............

688 29............

685 30............

686

'31............

686 INSTRUCTION On this format, list the average daily unit power icvel in MWe-Net for each day in reporting month.

Compute to the nearest whole megawatt.

g j y.

i_

NRC MONTHLY OPERATING REPORT OPERATING

SUMMARY

AUGUST 1984 UNIT 1 The. unit: began the month limited at 88% power because of the high operating

. level in.the "A" OTSG. At 2204 hours0.0255 days <br />0.612 hours <br />0.00364 weeks <br />8.38622e-4 months <br /> on August 10th, the plant was brought off-line to hot standby condition in order to repair a leaking RCP seal pressure sensing line.

The repairs were completed and the unit was brought

~

back to power and tied on line at 2027 hours0.0235 days <br />0.563 hours <br />0.00335 weeks <br />7.712735e-4 months <br /> on August lith.

The unit reached 86% power at 2017 hours0.0233 days <br />0.56 hours <br />0.00333 weeks <br />7.674685e-4 months <br /> on August 12th and,

.s a result of continued:

power l decrease due to high OTSG "A" level, finished the montr. at 85% power.

UNIT SHUTDOWNS AND POWER REDUCTIONS REPORT FOR AUGUST-1984 DOCKET N0 50-313 UNIT NAME ANO - Unit 1 DATE 09/04/84 COMPLETED BY Ken Morton TELEPHONE 501-964-3115 Method or Licensee Cause & Corrective.

Duration Shutting Event System Component Action to N1.

Date Tyge (Hours)

Reason 2 Down Reactor 3 Report #

Code 4 Code 5 Prevent Recurrence l

84-03 840811 F

46.2 A

1 N/A AB Seal The unit went to. hot standby to repair a leaking RCP seal pressure sensing line.

Repairs were completed, and the unit returned to normal operation.

1 2

3 4

F:

Forced Reason:

Method:

Exhibit G - Instructions S:

Scheduled A-Equipment Failure (Explain) 1-Manual for Preparation of Data-B-Maintenance or Test 2-Manual Scram.

Entry Sheets.for Licensee C-Refueling 3-Automatic Scram.

Event Report (LER)-File (NUREG-D-Regulatory Restriction 4-Continuation 0161)

E-Operator Training &

5-Load Reduction License Examination 9-Other s

F-Administrative Exhibit 1 - Same Source G-Operational Error (Explain)

H-Other (Explain) 9 O

w

.... ~

w DATE:

August 1984 REFUELING INFORMATION' 1.

Name of facility:

Arkansas Nuclear One - Unit 1 Scheduled ' ate for next refueling shutdown. -October 12, 1984-2.

d 3.

Scheduled date for restart following refueling.

December 22; 1984 4.

Will refueling or resumption of operation thereafter require a technical specification change or other license amendment? If answer is yes, what,-in general, will there be?

If answer is no, has the reload fuel design and core configuration been reviewed by your Plant Safety Review Committee to determine whether'any unreviewed safety questions are associated with the core reload (Ref. 10 CFR Section 50.59)?

4 Yes, Reload Report and associated proposed Technical Specification change.

5.

Scheduled date(s) for submitting proposed licensing action and cupporting information.

September 14, 1984 6.

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.

Yes, the reload analysis will be done using newly developed thermal hydraulic codes.

Babcock & Wilcox will be submitting Topical Reports on the new codes for NRC review prior to September 1, 1984.

7.

The number of fuel assemblies (a) in the core and (b) in the spent fuel storage pool.

a) 177 b) 316 8.

The present licensed spent fuel pool storage capacity and the size of any increase in licensed storage capacity that has been requested or is planned, in number of fuel assemblies.

present 988 increase size by 0 2

9.

The projected date of the last refueling that can be discharged to the spent fuel pool assuming the present licensed capacity.

DATE:

1998

4 1

ARKANSAS POWER & LIGHT COMPANY POST OFFICE BOX 551 LITTLE ROCK, ARKANSAS 72203 (501)371-4000 September 15, 1984 1CAN098408 Mr. Harold S. Bassett, Director Division of Data Automation and Management Information Office of Resource Management U. S. Nuclear Regulatory Commission Washington, D. C.

20555

SUBJECT:

Arkansas Nuclear One - Unit 1 Docket No. 50-313 License No. DPR-51 Monthly Operating Report (File:

0520.1)

Gentlemen:

Attached is the NRC Monthly Operating Report for August 1984 for Arkansas Nuclear One - Unit 1.

Very truly yours, John R. Marshall Manager, licensing JRM:SAB:ac Attachment cc:

Mr. John T. Collins Regional Administrator U. S. Nuclear Regulatory Commission Region IV 611 Ryan Plaza Drive, Suite 1000 arlington, ix /0011 Mr. Richard C. DeYoung l

Office of Inspection and Enforcement U. S. Nuclear Regulatory Commission Washington, DC 20555 4

O y

MEMBER MCOLE SOUTH UTILITIES SYSTEM