ML19261D453

Monthly Operating Rept for May 1979

ML19261D453
Person / Time
Site:	Arkansas Nuclear
Issue date:	06/14/1979
From:	Shively C ARKANSAS POWER & LIGHT CO.
To:
Shared Package
ML19261D452	List: ML19261D451 ML19261D453
References
NUDOCS 7906190265
Download: ML19261D453 (4)

Text

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s AVER AGE DAILY UNIT POWER LEVEL D* D D ~3 } 50-313 h DOCKET NO.

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UNIT -ANO-1 UATE June 14, 1979 CO\fPLETED By C.N. Shivelv TELEPHONE f5011 968-2519 siONTH May DAY AVER AGE D AILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL tMWe Net) iMWe Net) 1 0 37 0 2 0 Ig 0 3 0 0 19 4 0 0 20 5 0 21 0 0

6

0 7 0 23 0 g 0 24 o 9 0 25 0 10 0 26 0 11 0 27 0 12 0

s 0 13 0

_ 29 n 14 0 30 0 15 __

0 31 0 16 0 INSTRUCTIONS On this !ntr st hs: the ac age in!) unit ,wmer lesel :n \tWe Net for each day in the reporting month. Cinnpuie to

he nearest *hcle mepwatt.

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OPERATING DATA REPORT DOCKET NO. 50-313 DATE June 14._1979 COMPLETED BY ry syvety TELEPHONE (501) 9e8-2519 OPERATING STATUS *

1. Unit Name: Arkansas Nuclear One - Unit 1 N tes

2. Reporting Period: May 1-31, 1979

3. Licensed Thermal Power iMhti: 2568 i

4. Nameplate Rating (Gross MWe). 902.74

5. Design Electrical Rating (Net StWe): 850

6. Maximum Dependable Capacity (Gross MWe): 333

7. Maximum Dependable Capacity (Net MWe): 836

5. If Changes Occur in Capaci:y Ratings (Items Number 3 Through 7; Since Last Report. Gise Reasons:

None

9. Power Lesel To Which Restricted.If Any (Net SIWE): None

10. Reasons For Restrictions. !f Any: NA This Month Yr. to.Date Cumulatise

11. Hours In Reporting Period 7d4.0 3623.0 38994.0

12. Number Of Hours Reactor was Critica] 0.0 1296.4 27006.5 13 Reacter Resene Shutdown Hour > 353.3 967.7 2957.6

14. Hours Generator On.Line 0.0 1272.1 26485.8 15.' Unit Resene Shutdown Hours 353.3 353.3 558.5

16. Gross Thermal Energy Generated (MhH) 0.0 3182545.0 63989254.0 17 Gross Electrical Energy Generated IMWH) 0.0,_ _ ,,,1049078.0 21289759.0

13. Net Electrical Energy Generated (MWH) 0.0 1002362.0 20312908.0

19. Unit Senice Factor 0.0 35.1 67.9

20. Unit Asallability Factor 47.5 44.9 69.4

21. Unit Capacity Factor IUsing MDC Net e 0.0 33.1 62.3

22. Unit Capacity Factor (Using DER Net, 0.0 32.5 61.3

23. Unit Forced Outage Rate 100.0 47.6 13.8

24. Shutdowns Jeheduled Over Next 6 Months (Type. Date,and Duration of Each):

9-beduled Defueline: etr.tinc March 30, 1979; 8 weeks m.

25. If Shut Down At End Of Report Period. Estimated Date of Star up: June 16. 1979

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

INITI A L CRITICALITY INITIAL ELECTRICITY COMMERCI A L OPER ATION 2307 213 e . . - . . .

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REFUELING INFORMTION

1. Na=e of facility. w h n<as Nuclear One - Unit 1

2. Scheduled date for next refueling shutdown. 10-01-1980

3. Scheduled date for restart following refueling. 12-01-1980 4

Will refueling or resumption of operation thereafter require a technical specification change or other license amend =ent?

If answer is yes, what, in general, will these be?

If answer is no, has the reload fuel design and core configuration been reviewed by your Plant Safety Review Co==ittee to deter =ine whether any unreviewed safety questions are associated with the core reload (Ref. 10 CFR Section 50.59)7 Yes. Reload Recort and associated trocosed Technical Specification Changes.

5.

Scheduled date(s) for submitting proposed licensing action and supporting infor=ation. 03-01-1980

6. leport an t licensing considerations associated with refueling, c.g.,

new or different fuel design or supplier, unreviewed design or perfor=ance analysis methods, significant changes in fuel design, new operating procedures.

Will reload 72 fresh fuel assemblies and operate for accroximately 16 months.

7.

The nu=ber of fuel storage fuel assemblies (a) in the core and (b) in the spent pool. a) 177 b) 176 8.

The present licensed spent fuel pool storage capacity and the si:e of any increase in licensed storage capacity that has been requested or is planned, in nu=ber of fuel assemblies.

present 590 increase size by 0 9.

The projected date of the lect refueling that can be diccharged to the opent fuel pool casu=ing the present licenced capacity. -

DATE: !! arch, 1988 '

ee o g n n wy3 2307 215 me m Mm

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NRC MONTHLY OPERATING REPORT OPERATING SLMt-\RY - 5tAY,1979 UNIT I The unit remained in refueling shutdown throughout the month. During the initial filling and venting of the Reactor Coolant Systen on May 5, it was discovered that the reactor vessel head flange 0-ring seals were leaking. The damaged 0-rings were replaced and the final venting of the system was completed by May 16. After operating the Condensate and Feedwater System in the cleanup mode for several days, the steam generators were placed in wet layup on May 13. The unit remained at a cold shutdown condition pending NRC clearance to resume operation until May 31, when heatup began.

Modifications mandated by the NRC included: Reactor trip on turbine trip or loss of feedwater flow, addition of Emergency Feedwater System flow instrumentation, condensate storage tank low level annunciation in the Control Room, and Reactor fuel temperature instrumentation (16 incore thermocouples).

2307 216

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