ML19319A590

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Monthly Oper Rept for Nov 1978
ML19319A590
Person / Time
Site: Rancho Seco
Issue date: 11/30/1978
From: Colombo R
SACRAMENTO MUNICIPAL UTILITY DISTRICT
To:
Shared Package
ML19319A589 List:
References
NUDOCS 7812200197
Download: ML19319A590 (6)


Text

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O AVERAGE DAILY UNIT POWER LE9" 50-312 DOCKET NO.

UNIT Rancho Seco Unit 1 DATE 78-11-30 R. W. Colombo COMPLETED BY TELEPl!ONE (916) 452-3211 November MONTH DAY AVERAGE til,

'ER LEVEL DAY AVERAGE Al OWER LEVEL I

896 0

37 0

l 2

80 ti ~

gg 1

3 891 19 0-4 890 0

20 i

5 878 0

23

  • 6.

865 0

22 7

846 l

. 23 838 0

g 24

~

836 0

9 5

843 10,

0 845 0

.II 27 822 o

12 g

13 856 0

29 772 o

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30

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31 l

16 0

INSBUCTIONS j

f est sy in the reporting m inth. CUmpute to j

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UNITSHUTDOWNS AND POWER REDUCTIONS DOCKET NO... 50-312 s.

UNIT NAME. #-hn hen t'a it l-I) ATE Ta 11__in E

. November COMPLETEllitY. R. W.

Colombo

. REP' ORT MONTil TELEPIIONE. (916) 452-3211 "k

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Cause & Corecctive 4',

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,gui.,,, si, 6

f5 jgg Report #

. St e Psevent Recurrence 6

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21 78-11-14 S

384.7 C

1 N/A N/A N/A 2nd Refueling Outage commenced-November 14 0 2320 hrs.

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F: Forced Reason:

Method:

Exhibit G Instructions S:- Scheduled A liiluipment Failine(Explain)

1. Manual for Preparation of Data Il Maintenance of Test 2 Manual Scram.

Entry Sheets for Liecusec

. C.itetucting

3. Automatic Scram.

Event Report (1.110 Fife (NUREG-D ltestolalony Restriction 4 Oilier (Explain) 016l) 1: Opesator T :sining & Ucense Examination F Ailminiserative 5

G Ogerational I.o ros (1:xplain) 110:hcr iExpl.iln)

Exhibit I Same Source (9/71)

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REGULATO9Y INFORM ATION DISTRIBilTIO4 SYSTEM ( 91 DS )

. ACCESSION NBR 7812200196

.00C.DATE: 78/12/12

'10TA RI 7_ED: No 00C.<ET d

'FACIL'50-312-RANCHO SECO. S ACR AMENTO "tlNICIPAL UTILITY DISTRICT 05000312 AUTH. NAVE-

.. AUTHOR AFFI LI ATION RODR IGU EZ. R.J.

SACRAuENTO TJN UTIL DIST RECI P. NAM E RFCIPIENT AFFILIATION o

0FFICE OF INSPECTION & ENFORCEMENT

SUBJECT:

Forwards Venthlv Oper Reo'. for Nov'l979.

DISTRIRUTION CODE: A008S1 COPIES RFCEIVED LTR __/ ENCL I SIZE

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TITLE: AN'lUAL. SE'41-A NNUAL & MONTHLY OPERATING REPORTS (OL STAG NOTES _.

RECIPIENT COPIES RECIPIENT COPIES ID CODE /NAME LTTR ENCL I D CODE /NA.uE LTTR ENCL ACTION:

05 SC cad # y 6

6 I NTERNAL: 'Ol M i

1 02 NRC POR I

I 11 1s e 2

2 Il HANAUER I

1 1

14 MPA 2

2 i6 DI R DDR 1

1 17.AD SYS/PROJ l

I 18 ENGR BR 1

1 19 REAC SAFT BR 1

1 20 PLANT SYS BR I

I

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21 EEB 1

1 22 CORE PERF BR 1

1 23 EFFL TR SYS I

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)

E XTERNA L: 03 LPDR 2

2 04 NSIC 1

1 24 NATL LAB I

1 25 BROOKHAVEN 1

1 26 ACRS 15 15

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'DEC 21 gyg TOTAL lNUM BER - 0F _COPI ES : R EQU IRED: - LTTR -

41 ENCL 41

l REFUELING INFORMATION REQUEST

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1.

Name of Facility - Rancho Seco Unit 1 2.

Scheduled date for next refueling shutdown ~ March 1980.

l 3.

Scheduled date for restart following refueling - May 1980, i

l 4.

Technical Specification change or other license amendment required -

l.

a.)

Change to Rod Index vs. Power Level Curve (TS 3.5.2) l l

b.)

Change to Core Imbalance vs. Power Level Curve (TS 3.5.2) ll c.)

Tilt Limits (TS 3.5.2) d.)

Safety Equipment Testing (TS 3.3.3) 6 5.

Scheduled date(s) for submitting proposed licensing action - January 1980.

6.

Important licensing considerations associated with refueling - None 7.

Number of fuel assemblies a.)

In the core - 177 b.)

in the Spent Fuel Pool - 112 spent.

8.

Present licensed spent fuel capacity - 579.

9.

Projected date of the last refueling that can be discharged to the Spent Fuel Pori - 1987 4

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SUMMARY

.0FICHANCES MADE IN ACCORDANCE WITH 10 CFR 50.59(b) e

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Insta11e'd' radio receiverL foricomunication with the. County

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NARRATIVE

SUMMARY

~0F PLANT OPERATIONS Date-11-1 Plant operating at 100% full power.

11-4

~Placed reactor control in " manual" to facilitate plant coastdown.

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11-5' Reactor operating at approximately 98% fu11' power.

11-6 Reactor operating at approximately 97% full power.

11-7 Reactor operating at'approximately 96% full' power.

11 Reactor operating'at approximately 95% full power. Completed SP 208.02, Exercising Centrol Rod Drives.

11-9

' Continued coastdown operation, Reactor at N94% full power.

11-13 Received. feed. pump trip, placed reactor control in AUTO to allow runback. -Reactor ran back to 60% power. Power increased to 92% and reactor control was placed back in m'anual.to continue coastdown.

11-14 (2201)

Started plant shutdown.

(2322)-

Opened OCB's.

11 !

(0235)-

Reactor shutdown ~for refueling outage.

11 Commenced refueling operations PERSONNEL CHANCES REQUIRING REPORTING

' No personnel changes that require reporting in accordance with Technical Specifications Figure 6.9-2 were made in November, 1978.

MAJOR ITEMS OF SAFETY-RELATED MAINTENANCE

- 1)

Repaised nine.(9) Hydraulic Snubbers which failed lockup testing-required'per-T.S. 4.14.4 (LER 78-15).

!2),

) Replaced seals-in 2 Hydraulic Snubbers which failed visual oil

-level inspection per T.S. 4.14.1 (LER.78-17).

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OPERATING DATA REPORT DOCKETNO. 50-312 DATE -78 ti_'n

  • A CO3!PLETED BY R. W.

Colombo TELEPHONE NA As7-3211 OPERATING STATUS ~

m Notes

,1. Unit Name:

. Rancho Seco Unit 1 Coimnenced

2. Reporting Period:

November 1978 Refueling Shutdown

3. Licensed Thermal Power (Ali.'t):

2772 Novetnber 14, 1978

4. Nameplate Rating f Gross alwep:

.963-

@ 2320 Hrs.

~ 5. Design Electrical Rating ihet SIWel: 918

6. Eximum Dependable Capacity (Gross 31We):

917 i 7. Maximum Dependable Capacity (Net 3!We):

873

8. If Changes Occur in Capacity Rating (Irems Number 3 Through 7) Since Last Report. Give Reasons:

N/A

- 9. Power Lesel To Which Restr!cted. If Any (Net SIWE):

None

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.10.' Reasons For Restri,ctions.If Any:

N/A

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This 3fonth Yr to-Date

' Cumula'tisc 1

II. Hours in Reporting Period 770 R 01/i 11.751 i!

12. Number Of liours Reactor Was Critical 338.6 7.003.3 18.779.5

)

13. Reactor f:esene Shutdown Hours 0

0 2,417.4-

. 14. Hours Generator on-Line -

335.3 6,801.6 17,915.1

13. Unit Resene Shutdown Hours 0-0 10.8

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16. Cross Thernal Energy Generated f alWH) 891,357 15,355,176 44,492,899-
17. Gross Electrical Energy Generated (5thH) 296,338 5,105,539-15,044,-789

' 18. Net Electrien! Energy Generated (MWH) 279.530 4.787.540 14.198.749

19. Unit Service Factor 46.6 84.9 56.4
20. Unit Assibbility Facto'r 46.6 84.9 56.5
21. Unit Capacity Factor ICsing SIDC Nett '

44.5

-68.4 51.2

22. Unit Capacity Factor iUsing DER Net) 6 7
23. Unit Forced Outage Rate ~

69 1 48.7 0

8.8 38.8

24. Shutdowns Scheduled Oser Nest 6 Stonths (Type. Date.and Duration of Each t Maintenance shutdown,' Februa'rv '15) approxinately 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br />.
25. If Shut Down At End Of Rep 6rt Period. Estimated Date of Startup: December 23, 1978 U
26. Units in Test Status t Prior to Commercial Operationi:

Forecast Achieved INITIAL CRITICAllTY N/A N/A a

INITIAL ELECTRICITY N/A N/A COm1ERCIIL OPERATION -

.N/A-N/A F.

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