1CAN118408, Forwards Monthly Operating Rept for Oct 1984

Forwards Monthly Operating Rept for Oct 1984

ML20100N191
Person / Time
Site:	Arkansas Nuclear
Issue date:	11/15/1984
From:	Enos J ARKANSAS POWER & LIGHT CO.
To:	Bassett H NRC OFFICE OF RESOURCE MANAGEMENT (ORM)
Shared Package
ML20100N190	List: 1CAN118408, Forwards Monthly Operating Rept for Oct 1984 1CAN118412, Forwards Signed Monthly Operating Rept for Oct 1984. Original Mailed W/O Signature
References
1CAN118408, NUDOCS 8412120630
Download: ML20100N191 (1)

Text

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ARKANSAS POWER & LIGHT COMPANY POST OFFICE BOX 551 LITTLE ROCK, ARKANSAS 72203 (501)371-4000 November 15, 1984 1CAN118408 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 October 1984 for Arkansas Nuclear One - Unit 1.

Very truly yours, J. Ted Enos Manager, Licensing JTE:SAB:ac Attachment cc:

Mr. Robert D. Martin P.egional Administrator U. S. Nuclear Regulatory Commission Region IV 611 Ryan Plaza Drive, Suite 1000 Arlington, TX 76011 Mr. Richard C. DeYoung Office of Inspection and Enforcement U. S. Nuclear Regulatory Commission Washington, DC 20555 8412120630 841127 PDR ADOCK 05000313 R

PDR MEMBER MIDDLE SOUTH UTILITIES SYSTEM

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1 OPERATING DATA REPORT I

DOCKET N0: 313' DATE:..

November 1984

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COMPLETED BY

K. L. Morton N-TELEPHONE:

501-964-3115 OPERATING STATUS

~ 1.

Unit Name: Arkansas Nuclear One - Unit l' 2.

-Reporting Period:

October 1-31,-1984 3.

-Licensed Thermal Power (MWt):

2568-

.4.

Nameplate Rating (Gross MWe):

902.74-5.

Design Electrical Rating (Net ~MWe):. 850 t.

6.

Maximum. Dependable Capacity (Gross MWe):

883 7..

Maximum' Dependable Capacity (Net MWe): 836 8.

If Changes.0ccur in Capacity Ratings (Items Number 3 Through 7)'Since Last Report, Give Reasons:

.9.-.

Power Level To Which Restricted.

If Any (Net MWe): -None 10.'

Reasons For Restrictions.

If Any:

None 1

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~74T 0

_7,320.0 86,515.0-MONTH YR-TO-DATE CUMULATVE

11. : Hours in Reporting Period....

i-12.

Number of Hours Reactor was I

Critical.....................

278.0 6,222.4

58,657.9 13.

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

0.0 0.0 5,044.0'

14. Hours Generator 0n-Line......

272.9 6,153.3

57,403.5-l

15. Unit Reserve Shutdown Hours..

0.0 0.0 817.5 16.

Gross Thermal Energy Generated 136,352,816.0 (MWH)........................

552,260.0 14,432,515.0 17.

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

183,771.0 4,823,906.0 l44,962,271.0 18.

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

174,317.0 4,604,135.0 42,862,523.0!

19.

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

36.6 84.1

' 166.4 20.

Unit Availability Factor......

36.6 84.1 67.3 21.

Unit Capacity Factor L

.. -(Using MDC Net)..............

28.0 75.2

59. 3 --

l 22.~

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

27.5 74.0 58.3 124.

Shutdowns Scheduled Over Next 6 Months (Type, Date, and Duration of.

14.6 23.

Unit Forced Outage Rate......

4.8

1.2 Each)

,ANO-1 presently shutdown for 1R6-refueling and maintenance t'

outage which began October 12, 1984, and is scheduled to restart

.. December 22, 1984.

1 25.

If Shut Down At End of Report Period.

Estimated Date of

[

i Startup:

December 22, 1984

-26.. Units in Test Status (Prior to Commercial Operation):

Forecast-Achieved j=

INITIAL CRITICALITY y-INITIAL ELECTRICITY.

COMERCIAL OPERATION

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- g ro p s, % w 2 's =-

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m AVERAGE DAILY UNIT POWER LEVEL DOCKET NO.

50-313 UNIT:

One DATE:

November 1984 COMPLETED BY: K. L. Morton-TELEPHONE:

501-964-3115 t-

-MONTH October 1984 DAY AVERAGE DAILY POWER LEVEL-(MWe-Net) 1.............

685-2.............

682 3....,........

685 4.............

684 5.............

269

~6.............

284 -

7.............

670 1

8..............

684 9.............

683 10............

687 11l............

686 12............

.564 e

13............

0 14............

0 15.............

0 16............

0 17............

0 18............

O i

19'............

O

~

20............

0 21............

0 22...........

0 23............

0 24............

O 25............

O 26............

0 27............

0 23............

'O 29............

0 30:............

0 L31............

0 INSTRUCTION J

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

Compute to the nearest whole megawatt, i

T

O NRC MONTHLY OPERATING REPORT OPERATING

SUMMARY

OCTOBER 1984 UNIT 1 The unit started the month at 84% power with power limited due to the high operating level in the "A" OTSG. The unit operated there until 0923 hours0.0107 days <br />0.256 hours <br />0.00153 weeks <br />3.512015e-4 months <br /> on October 5th when a trip occurred due to a loss of the IH1 bus.

The root cause of the trip was attributed to personnel error.

The unit was returned on-line at 2311 hours0.0267 days <br />0.642 hours <br />0.00382 weeks <br />8.793355e-4 months <br /> the same day and reached 84% power at 0445 hours0.00515 days <br />0.124 hours <br />7.357804e-4 weeks <br />1.693225e-4 months <br /> on October 7th.

The unit operated at 84% power until 1615 hours0.0187 days <br />0.449 hours <br />0.00267 weeks <br />6.145075e-4 months <br /> on October 12th when a shutdown was commenced in preparation for the IR6 refueling and maintenance outage.

The unit remained in cold shutdown through the end of the month.

9 i.

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i UNIT SHUTDOWNS'AND POWER REDUCTIONS i.

REPORT FOR OCTOBER 1984 DOCKET NO 50-313 UNIT NAME

' ANO - Unit 1 DATE November 5, 1984 COMPLETED BY Ken Morton TELEPHONE 501 964-3115 Method of Licensee Cause & Corrective Duration Shutting Event System Component Action to-i No.

Date Tyge (Hours)

Reason 2 Down Reactor 3 l

Report #

Code 4 Codes Prevent Recurrence 84-04 841005 F

13.8 G

3 313-84-005 EA BU Reactor trip due to loss of 1H1 bus.

Human error cited as-root cause.

Return' unit to power.

i 84-05 841012 S

458.3 C

1 N/A N/A N/A Shutdown for refueling l

.1R6.

1 2

3 4

F:

Forced Reason:

Method:

Exhibit G.- Instructions 2

S:

Scheduled A-Equipment Failure (Explain) 1-Manual for Preparation of Data l

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 i

G-Operational Error (Explain)

H-Other (Explain) i

I t

DATE: October 1984

REFUELING INFORMATION 1.

Name of facility: Arkansas Nuclear One Unit 1 2.

Scheduled date.for next refueling shutdown.

October 12, 1984 3.

Scheduled date for. restart following. refueling. December 22, 1984

- 4.'

LWill refueling or resumption of operation thereafter require a

' technical specification change or other license amendment? If answer 4

.is'yes, what, in general, will there be? If answer is no, has_the reload-fuel design and core configurationLbeen 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)?

Yes, Reload Report and associated proposed Technical Specification change.

5.

Scheduled date(s) for submitting proposed licensing action and supporting information.- September 26, 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 To)ical Reports on the new codes for NRC review prior -to September 1,19 34.

7.

The number of fuel assemblies (a).in the core and (b)~in the spent fuel i

storage pool, a)

'177 b) 316 8.

The present licensed spent fuel pool storage capacity and the size of I

any increase in licensed storage capacity that has-been requested or is planned, in number of fuel assemblies.

present 988 increase size by'O y

9.

The projected date of the last refueling that can be discharged to the L

spent fuel pool assuming the present licensed capacity.

DATE:

1998 f'

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