ML19347B532

Monthly Operating Rept for Sept 1980

ML19347B532
Person / Time
Site:	Rancho Seco
Issue date:	10/03/1980
From:	Hollingsworth SACRAMENTO MUNICIPAL UTILITY DISTRICT
To:
Shared Package
ML19347B529	List: ML19347B528 ML19347B532
References
NUDOCS 8010150298
Download: ML19347B532 (6)

Text

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%,,I Harrative Summary of Plant Ooeration 9-1 =. o 9-3 Continued shutdown due to damaged turbine thrust bearing.

9-3 0404 Reactor critical 1130 Closed OCB's 1600 Reactor at 43%

9-4 0000 Began increasing reactor power to 72% at 3%/hr.

2315

" 96% at 3%/hr.

9-5 to i

9-30 Continuous reactor operation at 96%.

Performed routine surveillance and preventive maintenance items.

Summary of Changes Made in Accordance With 10 CFR 50.59(b)

No changes,

.ests, or experiments were completed in September, 1980, v{hich const'.tuted a change in a safety analysis report description.

Major items of Safety-Related Maintenance 1.

Set and verified Main Steam Relief Valve Personnel Changes Reauirino Recorting No personnel changes that require reporting in accordance with Technical Specification, Figure 6.9-2 were made in September, 1980.

80101502N

4 Attachnent:

CYCLE 4 P0h'ER DISTRIBUTIO:: CC'tPARI SON In the District's letter to Mr. Robert b'. Reid, dated February 27, 1980, Rancho Seco committed to perform Power Distribution Conparisons through Cycle 4 as a result of this being the first reload core utilizing Lumped Burnable Poisons.

The near 100 EFFD data was obtained ot. September 23, 1980 at 103.8 EFPD.

An R11S value of 0.023 resulted, and may be compared to the acceptance criteria of

<0.0731.

The next data is to be taken at near 150 EFPD, which is anticipated to occur in November, 1980.

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i REFUELI::C I!!TO??.ATIO ' ?.EQUEST

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1:ancho Seco Unit 1 1.

1: ate of Facility:

1 2.

Scheduled date for next refueling snutdo.n:

Aoril, 1981 3.

Scheduled.date for restart folic. ting refueling.:

June, lo81 4.

Technical Specification change or other license anendaent required:

a) Change to P.od Inde:.: vs. Power Level Curve (TS 3.5.2) b) Change to Core I balance vs. Fouer Level Curve (TS 3.5.2)

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c) Tilt Limits (TS 3.5.2) i d) Safety Equ'pment Testing (TS 3.3.3) j J

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Schedu)cd date(s) for subnitting proposed licensing action:

Mav, 1981 None 6.

Irrertan,t licensing considerations associated with refueling:

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7.

1;u.nber of fuel assemblies:

a) In the core:

177 4

b) In the Spent Fuel Pool:

164 3

8.

Present licensed spent' fuel' capacity:.__ 5 7 9 1

9.

Projected date of the last refueling that can be discharged l

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to the Spent Fuel Pool:

1987 1

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OPERATLNG DATA REPORT DOCKER No. _ 50-312 DATE 80-09-30 COMPLETED BY R. uol1inosworth TELEPfl0NE f 16I 452-3211 OPER \\ TING 3T A TUS

1. Unit Name:

Dwebo Saco #1 Notes

2. Reportia; Period:

Scoterber. 1980

3. Licensed T!.ermal Power iMWt >:

2_772

4. Namep'are Nat;n;IGross Mher 963

5. Design E:ectrical Ratin; tNet MWe).

9IO

6. Masimum Dependable Capacity iGross MWet 9I7

7. Maximum Dependahic Capacity tNet 5 thel:

873

8. If Chan;es Occur in Ca;ucity Ratin;s titems Number 3 Throu;h 7)Since Last Report.Gise Reasons:

N/A

9. Power Lesci To hhich Restricted. If Any (Net MWe):

N/A

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10. Reasons For Restrictions. if Any:

N/A This Month Yr..to.Dat e

' Cumula rise

11. IIc,urs in Rerottin; Period 720 6.575 L7.811

12. Namher

'liour, Reactor was Critical 667.9 3,216.4 29,289.9

13. Rextor s e Shutdown flours c2.1

• 494.5

• 4,499.4 660 5 3,105 9 28,047.2'

14. If ota s t

. >r On.Line

15. Unit R.

hutdaan Hour, 0

0 1.210.2

16. Gros, T

, Energy Generated t\\lwi!)

1,738,860 8,020,164 71.053.862

17. Grow L;c :neal Entr;y Generated (M%il, 571,I86 2,667,486 23,952,022

. lS. Net Electnca! Energy Generate;(Mwil)

Sho.203 2,514.213 22.625.102

19. Unit Senice raetor 91.7 47.2 58.6

20. Ur.it.'sa. lability factor 91.7 47.2 61.2

21. Unit Ceracity Factor iUsing MDC Ncti 86.0 43.8 c;4. 9

22. Unit Capacity Factor iUsing DER Neti 81.7 41.7 51.5

23. Unit forsed Outag Rare 8.1 16.I 30.6

24. $hutdoans Seheduled Oser Nest o \\lonths (T pe. Date.and Duration of Eaehl-3 N/A

25. If Shur Ibwn At End Of Report Perind. Estimated D.:te of Startuo:

N/A

26. Unu> In Test Status it'rior to Commercial O.erationt Forecast Achiewd i

INIT! \\ L CRIT!CALITY N/A N/A INITI Al. I:LECTR! CITY N/A N/A CO\\DlLRCl \\L OITR \\ I!ON n/5

_H/a Figures reflect correction for the f:

rnont h of August.

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s AVLit \\GE D \\!LY UNIT tohER I.EVEL DOCKET NO.

50-312 UNIT Rancho Seco #1 DATE Rn-no-3n CO\\1PLETED itY R. Ho l _l i noswo r t h TELEPilONE (016) 462-1211 ( x :-

September 1980 510NTl!

DAY AVER AGE DAILY POhER LEVEL DAY AVER AGE DAll,Y POhER LEVEL t\\tWe Net)

($1WeSet) 17 852 1

0 2

0 is 855 3

125 19 857 4

645

o 856 5

843 21 858 863 855 6

22 854 23 850 854 8'50 g

24 S18 9

25 849 10 854 26 853 854 11 2;

855 12 855 23 853 855 845 13 29 855 30 837 i4 856 15 3;

I t, 855 INSTRUCTIONS Oa thh for: ut. he the eeup J2:h emt p.mer f aci in \\!We-Net for bach da) :n the rep.uting month. Com,,ure to the neare : u hoie mepaatt pH 7)

UNIT SliUTDOWNS AND POWER REDUCTIONS DOCKET NO.

50-312 UNIT N.e1E Banrin_Ecro - L.

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_0 0_-0.9-30 itEPORT MONT!! September, 1980 COM;'t.t. ii'D ;W __ R.lialIinaworth

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4 !!E iieer.sce

,E-t y'a, Cauv: & Coirettive y@

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Date E--

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[.- 3 Action to f-

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Present itecurrence H

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80-08-12 F

59.5 A

3 il/A IIA TURBlfi Damaged thrust bearing

,5_-g (Continued from previous reporting c; a

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period)

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I 2

3 4

F: F.rced Reasoa:

Method:

Ex!ab t G -Instructions i

S. Sshedated A li;inement Failure (Explain) 1 -Man u;:1 for Preparation of Data it-M sinter:ance or 'lest

2. Man ual Scram.

Ent y Sheets for I.iscrisee C Refuelia;;

3 At.tomatic Scram.

Event Rtport (LI.R)l'i!c (NUREC-D iter,ulatory Restriction 4 Other (Explain) 0101)

I. 0;:erator Trainin;;& License Examination F. Ad::nm.t rative 5

G.Operata.m. ' Error (E.wplain)

Estabit ! Same Source (9/77)

Il O:hcr (INplain)

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