ML19208B003

Monthly Operating Rept for Aug 1979

ML19208B003
Person / Time
Site:	Rancho Seco
Issue date:	08/31/1979
From:	Colombo R SACRAMENTO MUNICIPAL UTILITY DISTRICT
To:
Shared Package
ML19208B000	List: ML19208A999 ML19208B003
References
NUDOCS 7909180405
Download: ML19208B003 (5)

Text

AVERAGE DAILY UNIT TOhER LEVEL DOCKET NO. 50-312 UNIT p,-c% coe, r,$g 7 DATE 8-31-79 COMPLETED fjY R. W. Co lo:.bo TELEPflONE (916) 452-3211 MONTH August DAY AVERAGE DA LY POhER LEVEL DAY AVERAGE DAILY FOh ER LEVEL (Mh'e-Ne t ;

IMh'e Net) 3 858 863-17 2

860 864 18 3

o ra 19 867 4

869 20 867 5

867 2f' 867 863 6

862 22 7

863 23 867 865 8

24 866 9

861 25 866 10 860 26 865 863 33 861 27 12 868 825 28 13 870 859 29 14 864 864 30 15 864 863 31 16 865 INSTRUCTIONS On this icnna r,'.-,.

,,:th..,.........y untt power loe! in MWe. Net ('r each day in the reporting m.> nth. Compute to the nearest whoie mepw.t:

SG1267 (9/77I

- l u 0918 0 4oh-

~

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OPERATING DATA REPORT DOCKET 50. 50-312 D ATE 79-08-31 CO.\\lPLETED i;y R.

W.

Ca io abo TELEPl!ONE (916) a52-3211 OPERATING CT ATUS

1. Unit Name:

Rancho Seco Unit 1 Not'5

2. Reportin; Fenod:

August, 1979

3. Licensed Thermal Power tilwt ?:

'77'

4. Narneplate Ratm; eGrn s Mhes:

963

5. Design Efe:trical Ratma sNet '.!Wei:

6. 3!a.timum Dependable C.'pacity eGross 31Wel:

917

7. Maximum Dependable Capacity (Net '.!We):

873

8. If Chan;es Occur in Capacity Rat:ngs (Items Number 3 Throu;n 7; Since Last Report. Gise Reasons:

N/A

9. Power Lese! To which Restricted. If Anv (Net MWel:

N/A

10. Reasons For Restrictions. If Any:

N/A This Month Yr..to.Date Cumularise II. Hours !n Report;ng Period 744 5,831 38,328

12. Number Of Hours Reactor Was Critical 744 4,143.4 23,214.2

13. Reactor Res:r, urdown Hours 0

1,519.2 3,936.o

14. Hours Generator On.Line 744

-.,021. 5 22,184.7

15. Unit Revne Shutdoan Hours 0

1,199]

1.210.2

16. Gross The nu! Ener;y Gener:: red iMhH) 2.056.998*

10.973,923 56.047.079

17. Cron Electrical Energy Generated iMbHi 665,160 3.597,280 18,860,080

13. Net E!ce:riea! Enercy Generated iMbH, 632,135 3,412,290 17.811.180

19. Unit Senice Factor 100.0 69.0 57.9

20. Unit Asa:labi:;ts Factor 100.0 89.5 61.0

21. Unit Cape:t> Fae:or iUria; MCC Ner 07.3 67.0 53.2

22. Unit Captity Fae:or iU.ing DER Net, 92.6 63.7 50.6

23. Umt Forced Ouraje Rare 0

5.9 34.3

24. Shutdowns Schedu!cd Oser Nest o \\funths iT cc. Date,and Duration ur~ Eachi 3

Refueling:

January 1980; duration approximately 60 days.

25. If Shut Down \\r End Of Repart Perind. E rimated Date of St.;rtup:

N/A

26. Unirs ia Tor Status Pnor to Co:nmereul O arations:

i Foreca>r Achiesed INITITL CR: TIC tLITY N/A N/A INITI \\L ELECTRICITY N/A N/A COMMLnCIAL OPER \\ 110N v /,i N/a

• Please note: Corr'::t value for last month was 1,501,232.

ggg (u/771

UNIT SilUIDOWNS ANDl'0WER REDUCTIONS DOCKET NO. 50-312 UNIl'N A\\1t Rancho Seco Ifnit 1 HA'IE 79-08-H REPOltT &f 0NTil ^on's a r CO.%f Pl.E ll'i> Igy R. IJ. Colombo ll 1.I I'llONE ('116) 452-3?Il e.

E E

.$E 3

y FM Licensee

,E g

{%

CJuse A Coeiettive No.

DJte Q

3 ij

.g 5 5 livent g ~f pO Ateson to y5 F

3;. f, c Repost #

un u Pievent itetursente o

g u

o NO OLITAGES OR SIGNIFICANT POWER REDUCTION (GREATER TlW120% REDUCTION IN AVERAGE DAILY PO'dR LEVEL FOR Tile PRECEDIt!G 24 touaS) mis remi.

Gl&,

1 2

3 4

F: Forted Itcauin :

hfethod:

Exhibit G. Instructions IO S. Sthedoled A l'itn;pmet l'.iilure (Explain)

1. Manual for Pseparation of Data C) 11 B1.intt c.in.. or l er.t 2 Manual ScrJm.

Entry Sheets l'or I.i. en.ce 6

c.l:rinchng 3-Autunnatic Sciaan.

1:sent itepose ILI it t I ile INUREG.

()

1) iteg.il.itney itestrh tion 4-Ot her (Explain) 01611 y

i Opeuten li.uning & License Examination Q

I:-A.Ininn.teative 5

G OpesJttent.nl l rior (lixplJln) l%hthil 1 SJinc Soulee (9/11) 11 Other (1:aptain)

NARRATIVE

SUMMARY

OF PLANT OPERATIONS DATE 8-1 Plant operating at approximately 100% full power. Performed routine thru surveillance and preventive maintenance items.

8-14 8-14 Borated Water Stora;e Tank at 1702 pp=3, two independent samples taken.

(1100)

Reducing power fron 913 MWe at 1 MW/ minute.

(1150)

BWST at 1805 ppn3.

Reactor at 94% (863 MWe) power increasing to 100%.

(1200)

Reactor at 100% Full Power (s912 MWe).

8-28 (2025)

Started reducing power at 2025 from 100% (901 Tie) due to Turbine Throttle Stop Valve Surveillance Test.

(2028)

Reactor at 95% Full Power.

(2050)

Reactor at 62.5% Full Power (519 MVe).

(2201)

Started increasing power to 92%.

(2335)

Reactor power at 89%. Started 2-hour hold.

8-29 (0141)

Raising power to 1007..

(0226)

Reactor at 100% Full Power.

PERSONNEL CHANGES REOUIRING REPORTING No personnel changes that require reporting in accordance with Technical Specifications Figure 6.9-2 were made in August, 1979.

MAJOR ITEMS OF SAFETY-RELATED "AINTFNA?'CE 1.

Continued inspection / testing of pipe supports; repaired or replaced as necessary to meet the new criteria covered in Bulletin 79-02.

SUMMARY

OF CHANGES "ADE IN ACCORDANCE I'ITH 10 CFR 50.59(b)

No changes, tests, or experiments were completed in AuSust, 1979, which constituted a change in a safety analysis report description.

-SEl230

PIPUELI::C II.70R."*iTION REQUEST Rancho Seco Unit 1 1.

1:a:.e of Facility:

2.

Scheduled date for next refueling shutdown:

January. 1980 March. 1980

'3.

Scheduled date for restart following refueling:

4: Technical Specification change or other license anendment required:

a) Change to Rod Index vs. Power Level Curve (TS 3.5.2) b) Change to Core Imbalance vs. Power Level Curve (TS 3.5.2) c) Tilt Liaits (TS 3'. 5.2)

~

d) Safety Equipment Testing (TS 3.3.3)

December, 1979 5.

Scheduled date(s) for subaitting proposed licensing action:

None 6.

Important licensing considerations associated with ref ueling:

7.

Eu,nhor of fuel assenblies:

a) In the core:

177 112*

b) In the Spent Fuel Fool:

S.

Present licensed spent' fuel capacity:

579 9.

Projected date of the last refueling that can be discharged to the Spent Fuel Pool:

1987

• Previous reports of 122 were in error.

+

0 3G1231.

.