ML20150A801

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Monthly Operating Rept for Sept 1978
ML20150A801
Person / Time
Site: Pilgrim
Issue date: 10/12/1978
From:
BOSTON EDISON CO.
To:
Shared Package
ML20150A800 List:
References
NUDOCS 7810180131
Download: ML20150A801 (6)
v • d • e


Text

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t OPERATING DATA REP 0flT 50-293 DOCKET NO.

DATE 10/12/78 COMPLETED hY A.M. Nelson TELEPflONE 617 746 4161 OPER AT!NG c.TATUS Unit Name:

2. Reporting I'eriod:

September 1978 1990

3. Licensed Thermal Povcer (MWt):

678

4. Nameplate Rating tGross MWe):

655.

5. Design Electrical Reting (Net MWe):

690

6. Maximum Dependable Capacity (Gross MWe):
7. Maxiraum Dependable Capacity (Net MWe):

670

8. If Changes Occurin Capacity Ratings (items Number 3 Through 7) Since Last Report.Give Reasons:

None

9. Power Level To Which Restricted.lf Any (Net MWe):

None

10. Reasons For Restrictions. If Any:

N.A.

This Month Yr. to Date Cumulatise 720.0 6551.0 50927.0

11. IIours in Reporting Period
12. Number Of liours Reactor Was Critical 710.3 5616.9 35273.6
13. Reactor Reserve Shutdown !!ours 0.0 0.0 0.0
14. hours Generator On Line 704.9 5526.7 33968.7
15. Unit Reserve Shutdown liours 0.0 0.0 0.0
16. Gross Thermal Energy Generated (MWH) 1365696.0 9920256.0 55072488.C
17. Gross Electric::1 Energy Generated (MWii) 470420.0 3399950.0 17979484.0
18. Net Electrical Energy Generated (MWil) 452629.0 3269561.0 17254459.0
19. Unit Service Factor 97.9 84.4 66.7
20. Unit Availability Factor 97.9 84.4 66.7 2!. Unit Capacity Factor (Ihing MDC Net) 93.8 74.5 50.6
22. Unit Capacity F::ctor (thing DER Net) 96.0 76.2 51.7
23. Unit Forcea Outge Rate 2.1 3.4 10.2
24. Shutdowns Schedi. led Over Next 6 Months (Type, Date and Duration of Each):

None

25. If Shut Down At End Of Report Period Estimated D.ite of Startup:

Unit Operating

26. Units in Te:I Status (Pnor to Commercial Operationi:

Forecast Achiesed INill A L CRITICAL lTY INITI A L ELECTRICITY CO'tMI:itCf AL OPEitATl0N (1/77 )

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AVER AGE DAll.Y UNIT POWER LEVEL -

DOCl;ET NO.

50-293 Pilgrim I glT l

10/12/78 DATE COMPLETED 13Y A.M. N.elson TELEPl!ONE

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MONTil DAY AVERACE DAILY POWER LEVEL DAY AVER AGE dally POWER LEVEL (Mhe Neti (Mwe.Nes; I

662.

488

,7 664.

567 18 3

663.

39 640 4

666.

660 20 664 668 5

3 6

665.

2, 665'.

7 665.

667 33

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g 667 668

,4 667 666 9

3 667

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10 26 11 666.

662 27 12 668-28 662 j

13 667' 661 29 g,;

667 30 15 287.

0, 33 16 259 INSTRUCTIONS On thn ivrmat hst the average da:1) unit pimer lese! m MWe Net for each day in the reportine month.Gunpute to the nearest whek' m gaw ait.

(0 /77 )

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50-293 UNITSIIUIDOWNS AND POWER REDUCTIONS DOCKET NO.

UNil NAME Pilgrim I 947;;

10/12/78 REPO'T MONTil SEPTEMBER, 1978 COMPLET ED ;tY A.M. Nelson TF.Lt ri!ONE 617-746-4161 e.

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Surveillsace Testing Error i

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F: Forted Reason:

Method:

Exhibit G -Instructions 5: S&cdu!cil A F.guipinent Failure (Explain) 1 Mannat for Picparation of Dara B-Maintenance of Test 2 Manual Scrain.

Entey Sheets for I.icensce C-Refuthng 3 Autoinalic Strani.

Esent Repuit (1.ER) File INilREG-D-Regnlatory Restriction 4 Other (Explain) 0161) 1 Operator Training & l.icense Exa nination F-Adnunistrati.e 5

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BOSTON EDISON COMPANY PILGRIM NUCLEAR POWER STATION DOCKET No. 50-293 Summary of Operating Experience for September, 1978 The month of September began with the unit operating at 100% power level.

On Saturday, September 2nd, the power level was reduced to 90% for control rod exercising. At the conclusion of the control rod testing the unit returned to j

100% power and remained at 100% power level until Friday, September 15th.

During the morning of September 15th, Instrumentation and Control Technicians performed Surveillance Test #8.M.2-2.1.3, Reactor Water Level Containment Spray Permissive.

During the perforw nce of the surveillance, they inadvertently blew down the reference leg which resulted in a full scram at 1017 hours0.0118 days <br />0.283 hours <br />0.00168 weeks <br />3.869685e-4 months <br />.

The licensed operators immediately recovered from the scram, conducted necessary surveillances, and had the reactor critical at 1958 hrs.

The unit was synchronized onto the grid on Saturday, September 16th at 0122 hours0.00141 days <br />0.0339 hours <br />2.017196e-4 weeks <br />4.6421e-5 months <br />.

The power level was increased as per approv2d station procedurcs and 100%

reactor power was reached on Tuesday, September 19th, at 1500 hours0.0174 days <br />0.417 hours <br />0.00248 weeks <br />5.7075e-4 months <br /> The unit. remained at 100% power level for the remainder of the month except for a 10% load reduction on Saturday, September 23rd, for one hour for control rod exercising.

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.__ _ _ _ _ _ _.... _....... _. -... _. _. _ _ _., _.., ~... _

REFUELING INFORMATION The following refueling information is included in the tbnthly * : pot t as requested in a letter to Mr. G. C. Andognini dated January 18, 1978 For your convenience, the information supplied has been enumerated so that each number corresponds to equivalent notation utilized in the request.

1 The name of this facility is Pilgrim Nuclear Power Station, Docket No. 50-293.

2 Scheduled date for next Refueling Shutdown: January 1980 3.

Scheduled date for restart following refueling: April, 1980 4.

5.

Due to their similarity, requests 4, 5 & 6 are responded to collectively:

6 The fuel, which is presently expected to be loaded during the next scheduled shutdown, may be reload fuel of a new design and may therefore require a proposed license submittal and technical specification changes.

It is not possible, however, to supply pertinent information on dates.

As information concerning fuel design, core ' configuration, Operational Review Committee determinations, proposed licensing action, and technical specification submittals becomes available, it will be forwarded to you.

7 (a) There are 580 fuel assemblies in the core.

(b) There are 580 fuel assemblies in the spent fuel pool.

8.

(a) The station is presently licensed to store 2320 spent fuel assemblies.

The actual spent fuel storage capacity is 890 fuel assemblies and new high density fuel storage racks are in the process of being installed.

(b) The planned spent fuel storage capacity is 2320 fuel assemblies.

9.

With present spent fuel storage capacity, the spent fuel pool does not have the capacity to accommodate an additional 580 fuel assemblies.

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PILGRIM NUCLEAR POWER STATION Month SEPTEMBER, 1978,-

M IOR SAFETY RELATED MAINTENANCE iS!DI CC:GCNENT MALFUNCTION CAUSE MAINTENANCE CORRECTIVE ACTION kSSOCIATED en onrtrert errnnorst< r Irn s

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1 RV SN 8 Leakage Past Seat Stema cut Machined seat, Lapped & tested.

None required NONE 13 PSD-9 Rupture Collapsed Neg.Pressurt Replaced with new Recommended using vacuum protected NONE disc.

from stock.

type.

Refueling floor Contact droop Heat Replaced relay PDCR to change relay model NONE 45 process radia-tion monitor 61 Diesel "A" Oil Leak Unknown Replaced Replaced fuel all crossover Tee NONE i

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