Text

Monthly Operating Rept for Sept 1985
	ML20138D300
Person / Time
Site:	Arkansas Nuclear
Issue date:	09/30/1985
From:	Converse W, Enos T; ARKANSAS POWER & LIGHT CO.
To:	Bassett H; NRC OFFICE OF RESOURCE MANAGEMENT (ORM)
References
	1CAN108508, NUDOCS 8512130188
	Download: ML20138D300 (7)
	v • d • e

. - _ _ _ _ _ _ _ _

s OPERATING DATA REPORT DOCKET NO:

50-313 DATE:

Se)tember, 1985 COMPLETED BY:W. E. Converse TELEPHONE:

(501)964-3188 OPERATING STATUS 1.

Unit Name: Arkansas Nuclear One - Unit 1 2.

Reporting Period:

September 1 - 30, 1985 3.

Licensed Thermal Power (MWt):

2568 4.

Nameplate Rating (Gross MWe):

902.74 5.

Design Electrical Rating (Net MWe):

850 6.

Maximum Dependable Capacity (Gross MWe):

883 7.

Maximum' Dependable Capacity (Net MWe):

836

.8.

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

9.

Power Level To Which Restricted.

If Any (Net MWe):

833 MWe (s98%)

10.

Reasons For Restrictions.

If Any:

Apparent high operating level in the ','A" steam generator caused by fouling at the tube support plate crevices.

MONTH YR-TO-DATE CUMULATVE

11. Hours in Reporting Period....

720.0 6,551.0 94,530.0

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

508.8 4,953.8 63,611.7 13.

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

0. 0 0.0 5,044.0

14. Hours Generator On-Line......

495.1 4,816.3 62,219.8

15. Unit Reserve Shutdown Hours..

0.0 0.0 817.5

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

'1,106,929.0 11,537,261.0 147,890,077.0

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

369,330.0 3,868,249.0 48,830,520.0

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

347,987.0 3,663,982.0 46,526,505.0

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

68.8 73.5 65.8

20. Unit Availability Factor.....

68.8 73.5 66.7 21.

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

57.8 66.9 58.9

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

56.9 65.8 57.9

23. Unit Forced Outage Rate......

3L2 19.1 14.9 24.

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

_ 'Each):

25.

If Shut Down At End of Report Period.

Estimated Date of Startup:

26.

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

Forecast Achieved-INITIAL CRITICALITY INITIAL ELECTRICITY COMERCIAL OPERATION fh 8512130188 850930

.i PDR ADOCK 05000313 4

R PDR t.

AVERAGE DAILY UNIT POWER LEVEL DOCKET NO:

50-313 UNIT:

One DATE:

September, 1985 COMPLETED BY: W.E. Converse TELEPHONE:

(501)964-3188 MONTH September DAY AVERAGE DAILY POWER LEVEL (MWe-Net) 1.............

809 2.............

599 3.............

118 4.............

309 5.............

480 6.............

572 7.............

764 8.............

803 9.............

805 10............

804 11............

803 12............

803 13............

799 14............

801 15............

800 16............

800 17............

756 18............

4 19............

-8 20............

-6 21............

-6 22............

-7 23............

-8 24............

-10 25............

-27 26............

-6 27............

498 28............

786 29............

832 30............

833 31............

AVGS:

483 INSTRUCTION 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.

y T

i u~

3 T 2 O

s

+.

4,

+

a W

\\

tm.

O" 1

da NRC MONTHLY OPERATING REPORT l

.m

~

o OPERATING

SUMMARY

s s

V s

/. SEPTEMBER,}985 o

UNITONER c

fs-

~

Theunitbeganthemchth'powerlinitedhuetoapparenthighoperatinglevel in the '"A" steani generalbr'(*98%).?* 7 At 1804 hours0.0209 days 0.501 hours 0.00298 weeks 6.86422e-4 months .cn Septeober 2nd, a psictor trip occurred on hjgh RCS pressure resultirptroplthe tripping of a main feedwater pump.

The re ctor. reached critica Mty at;0303 hours0.00351 days 0.0842 hours 5.009921e-4 weeks 1.152915e-4 months on the 3rd and the unit was tied to-the grid at 1128 hdUr5 on the,same day.

Foll,9 wing repairs to the faulty main feedwater pump turbine control system, the unit yns returned to full power (s97%) at 1000 hours0.0116 days 0.278 hours 0.00165 weeks 3.805e-4 months on the 7th.

At 2200 hours0.0255 days 0.611 hours 0.00364 weeks 8.371e-4 months on the 17th, a poweb runback commenced as q result of a dropped control rod. A plant shutdown for repairs to the CRD was begun at 0126 hours0.00146 days 0.035 hours 2.083333e-4 weeks 4.7943e-5 months on the 18th of Septeniber.

The unit was taken off line at 0245 hours0.00284 days 0.0681 hours 4.050926e-4 weeks 9.32225e-5 months on the 18th and the reactor was taken subcritical at 0405 hours0.00469 days 0.113 hours 6.696429e-4 weeks 1.541025e-4 months on the same day.

f Followingrepairs,therector,wastakencriticalat3413 hob /s'on'th'e26th.

The unit:vas tied to the grid at 1817 hours0.021 days 0.505 hours 0.003 weeks 6.913685e-4 months the same day and full power operation ^was attained at 1430 hours0.0166 days 0.397 hours 0.00236 weeks 5.44115e-4 months on the 28th.

^

s ThsMiit finished the' month at s98% power limited by the high operating

^

level:in"the "A" steam generator.

("'

s

.A t

N N-

%)

,,T'T t

i a

_(

9 t

g

'O

'e 4t_

V a-

+

4

\\

-a, s

h h

'\\

,,/

\\

P V

- E ". Q m

\\,

\\.h y - s.

g1 h

g s

'r

~\\

q N

_ 'i.

~

y

,.k,'

t"

UNIT SHUTDOWNS AND POWER REDUCTIONS REPORT FOR September, 1985 DOCKET NO 50-313 UNIT NAME ANO Unit 1 DATE October 2, 1985 COMPLETED BY W.E. Converse TELEPHONE (501)964-3188 Method of Licensee Cause & Corrective Duration Shutting Event System Component Action to l

N 2.

Date Tyge (Hours)

Reason 2 Down Reactor 3 Report #

Code 4 Code 5 Prevent Recurrence 8507 850902 F

17.4 A

3 1-LER-85-010 SL 65 Main feedwater pump turbine speed governor shaft broke. causing a pump trip.

RCS pressure tripped the reactor.

Speed governor shaft replaced and realigned to prevent recurrance.

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 1022)

E-Operator Training &

5-Load Reduction License Examination 9-Other 5

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

H-Other (Explain)

S Le-

-'w_

)

UNIT SHUTDOWNS AND POWER REDUCTIONS C

REPORT FOR September, 1985 DOCKET NO 313 UNIT NAME' ANO Unit 1 DATE October 2, 1985 COMPLETED BY W.E. Converse TELEPHONE (501)964-3188 Method of Licensee

~ Component Action to Cause & Corrective Duration Shutting' s Event Syitem

= N o.

Date

-Tyge

- (Hours)

Reason 2 Down Reactor 3 Report #'

Code 4 Code 5 Prevent Recurrence ;

l

-y y

- 1 N/A JD N0 Plant shut do'wn following 8508-850918 F

207.5 -

A

~

dropping of CRD 7-2..CRD' dropped due to burned out

~

stator coil. This was a

~ '

natural end-of-life for this component (i.e., no action necessary to prevent recurrance).

]/

1 2

f 3

4 j

F:

Forced Reason:

Method:

Exhibit'G - Instructions A-Equipment Failure ~(Explain) 1-Manual for Preparation of Data S:

Scheduled N

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 1022) -

E-Operator Training &

S-Load Reduction License Examination 9-Other 5

L F-Administrative Exhibit I - Same Source

~

", - G-Operational Error (Explain)

H-Other-(Explain) s

~

.J D

F b

m

y

.r.

DATE: September, 1985 REFUELING INFORMATION 1.

Name of facility:. Arkansas Nuclear One - Unit 1

^

2.

Scheduled-date for next refueling shutdown.

August, 1986 3.

' Scheduled date for. restart following refueling. October, 1986 i

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 1

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)?

Yes.

Reload Report and associated proposed Technical Specification change request.

5.'

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

May 1,-1986-6.

'Important= licensing considerations associated with refueling, e.g., new or different fuel design or supplier, unreviewed design or performance analys h. methods, significant changes in fuel' design, new operating procedures.

None 7.

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

~

storage pool.

a) 177 b) 456 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 9.

The. projected date of the last refueling that can be discharged to the 3

spent fuel pool assuming the present licensed capacity.

DATE:

1998 a

-3

O ARKANSAS POWER & LIGHT COMPANY POST OFFICE BOX 551 LITTLE ROCK. ARKANSAS 72203 (501) 371-4000 October 15, 1985 1CAN108508 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 Genclemen:

The Arkansas Nuclear One - Unit 1 Monthly Operating Report for September 1985 is attached.

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

Mr. Robert D. Martin Regional 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 MEMBEA MICOLE SOUTH UTsuTIES SYSTEM a

1CAN108508, Monthly Operating Rept for Sept 1985

Text

SUMMARY

SUBJECT:

Navigation menu

1CAN108508, Monthly Operating Rept for Sept 1985

Text

SUMMARY

SUBJECT:

Navigation menu

Search