ML20032E368

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Monthly Operating Rept for Oct 1981
ML20032E368
Person / Time
Site: Rancho Seco
Issue date: 10/31/1981
From: Colombo R
SACRAMENTO MUNICIPAL UTILITY DISTRICT
To:
Shared Package
ML20032E366 List:
References
NUDOCS 8111200472
Download: ML20032E368 (7)


Text

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l OPERA TING DATA REMRT DOCKET No. 50-312 DATE 81-10-31 COMPLETED 1;Y R. Co lornbo TELEPilONE (916) 452-3211 OPERATlNG STATUS b I"

1. Urdt Name:

Rancho Seco Unit I

2. Reporting Period:

October. '981

3. Licensed Thermal Power 151bri:

2772

4. Narcep! ate Ratin; #Grn3s 3D.'et 963
5. Desi;n Elec:rical R tin;#Ne: >! Wet 918
6. linimum Dependable Copacity s Gmu ' We):

917

7. Sinimum Dependable Capacity (Net 5the).

873

8. If Chan;es Occur in Capacity Ratin;3 (Items Number 3 Th:ou;h 7) Sinee Las: Repo. Gise Reasons:

N/A

9. Power Lesel To which Restrie:ed if / ny (Net Slwe):

N/A

10. Reasons Fer Restrictions.lf Any:

N/A This atonth YrAo.Date Cumulative II. Hours In Repor:ing Period 745 7.296 57,337

12. Namber Of Hour, Reactor Was Critical 138.2 2,490.6 33,986.8
13. Reac:or Resene Shutdown Ho s 630.4 1,802.5 6.272.1
14. Hours Gererator O:i.Line 100.2 2.351.8 32.597.4
15. Unit Rnene Shutdoun Hours 0

0 1,210.2

16. Gros, Thermal Ener;y Generated ial%Ill 148.862 5,885,711 82,857.966
17. Gross E!:ctrical Ener;y Generated a',1bi!)

41.[14 1.789.241 27.736.955 IS. Net Ele::rica! Ener;> Genersed L\\lb H) 29.70_0_

1,663,049 26,189,174

19. Unit Senice Factor 13.4 32.3 56.9
20. Uni: Aui'abili:3 Fac:or 13.4 32.3 59.0 l
21. Unit Capacity Factor (Usin; \\!DC Net) 4.6 26.1 52.3
22. Unit Caiu;ii> Fader (U3i:r; DER Net) 4.3 24.8 49.8
23. Unit Fcretd Out 2;e Rate 86.6 52.2 31.4 j
24. Shutdowns Scheduled Oict Nest 6 slunths i Type. Date.ani Ucrmor. of Eachr l

N/A

25. If Shut Dan At End Of Repart Pernd. E timated D ate of Starti:;,

N/A

)

26. Unit. In Test Statu Prior :o Commereal Operationp Forecar Achiesed l

INITI \\ L uRIDC ' LITY N/A N/A INITI\\L ELECiim if T N/A N/A CO\\!\\!ERCI \\ L OP'.P. t!!ON N/A N/A DO$05000312 8III09

(*IT 7 )

R R

PDR t

AVERAGE DAILY UNIT POWER LEVEL DOCKET NO.

50-312 UNIT Rancho Seco Unit 1 81-10-31 DATE COMPLETED BY R. Colombo TELEPHONE (916) 452-3211 MONDI October. 1o81 DAY AVERAGE DAILY POWER LEVEL DAY AVER AGE DAILY POWER LEVEL (MWe-Net) -

IMWe-Net) 1 0

g7 0

2 0

gg 0

3 0

g9 0

0 0

4 20 0

0 5

21 6

0 22 0

'7 0

23 0

8 0

24 0

0 0

9 25 10 0

26 0

11 0

27 34 12 0

IO 28 13 0

230 29 14 0

30 546 15 0

31 736 0

16 INSTRUCTIONS On this format. list the average daily unit power les el in MWe-Net for each day in the reporting month. Compute to the nearest whole rnegawatt.

(9/77)

i UNIT SilUTDOWNS AND POWER REDUCTIONS DOCKET NO. 50-312 1

UNIT N AME Rancho Seco Unit 1 DATE 81-10-31 COMPLEl ED HY P.. Colombo REPORT MON 11f October. 1081 lELEPilONE (916) 452-3711

~.

E c

3E "g

j $)d Licer.sce P,

Cause A Corrective l

No.

Date g

3g j ge Event V?

Q i

Act m to j

f~

3gc Report it (E U

!U Prevent Recurrence H

g u

i o

8 81-10-01 F

630.4 A

1 N/A HA TURBIN Continued shutdown to repair darnaged

{

L.P. turbine, j

9 81-10-27 F

5.0 B

1 N/A HA TURBIN Turbine balance adjustment.

i 10 81-10-28 F

5.4 A

3 N/A CH PUMPXX RCS high pressure due to a swing in feedwater.

j i

11 81-10-29 F

4.0 A

1 N/A HE TURBIN Oil leak on intercept valve.

1 1

i 1

4 1

1 2

3 4

F: Forced Reason:

Method:

Exhibit G. instructions l

S: Scheduled A-Equipment Failure (Explain) 1 Manual for Preparation of Data B Maintenance of Test 2 Manual Scram.

Entry Sheets for Licensee C-Refueling 3 Automatic Scram.

Event Report (LE R) File (NUREG.

D-Regulatory Restriction 4 Other (Explain) 0161) i F Operator Training & License Examination F ndmini,trative 5

G-Orerati mat 1:rror (Explain)

Exhibit ! - Same Source 1

(9/77)

Il-Ot her ( Explain )

REFUELING INFJtMATION REQUEST 1.

Name of Facility:

Rancho Seco Unit 1 2.

Scheduled date for next refueling shutdown:

April 1982 3.

Scheduled date for restart following refueling:

October 1982 4.

Technical Specification change or other license amendment 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 Limits (TS 3.5.2) 5.

Scheduled date(s) for submitting proposed licensing action:

February 1982 6.

Important licensing considerations associated with refueling:

None 7.

Number of fuel assemblies:

a)

In the core:

177 b)

In the Spent Fuel. Pool:

196 8.

Present licensed spent fuel capacity:

579 9.

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

1987