ML20217H562

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Monthly Operating Rept for Sept 1997 for Pilgrim Nuclear Power Station
ML20217H562
Person / Time
Site: Pilgrim
Issue date: 09/30/1997
From: Desmond N, Haladyna R
BOSTON EDISON CO.
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
BECO-2.97.102, NUDOCS 9710160137
Download: ML20217H562 (7)
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.,, Tech. Sp;c. 6.9.A.2 O -

Soetors EsNoore Pilgrim Nuclear Power Station Rocky Hill Road

( , mouth. Massachusetts 02360 5599 Nancy L. Desmond Regulatury Relations Group Manager October 14, 1997 BECO Ltr. 2.97.102 U.S. Nuclear Regulatory Commission Attention: Document Control Desk Washington, DC 20555 Docket No. 50.293 License No. DPR-35 l

September 1997 Monthly Repor.1 i in accordance with Pilgrim Nuclear Power Station Technical Specification 6.9.A.2, a copy of the Operational Status Summary for Pilgrim Nuclear Power Station is provided in the attachment for your >

information and planning. Should you have any questions conceming this report, please contact me directly.

h b M8v N. L. Desmond RAH /dmc/radmisc/697-mrpt

Attachment:

September 1997 Monthly Report i

\

cc: Mr. Hubert Miller Regional Administrator, Region i U.S. Nuclear Regulatory Commission 475 Allendale Road King of Prussia, PA 19406 ./

Senior Resident inspector /

'C"' 11511Elli ll H' ll 9710160137 970930 3 PDR ADOCK 0500 ,.

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AttachmCnt .

OPERATING DATA REPORT i

DOCKET NO. 54293 NAME: Pilorim COMPLETED BY: R, A. Haladyna __

TELEPHONE: (508) 830-7904 REPORT MONTH: September 1997 OF-ERATING STATUS NOTES

1. Unit Name Pilgrim I -
2. Reporting Period September 1997
3. Licensed Thermal Power (MWt) 1998
4. Nameplate Rating (Gross MWe) 678

} 5. Design Electrical Rating (Net MWe) 655

6. Maximum Dependable Capacity (Gross MWe) 696
7. Maximum Dependable Capacity (Net MWe) 670
8. If Changes Occur in Capacity Ratings (Item Numbers 3 through 7) Since Last Report, Give Reasons:

No Chanoes

9. Power Level To Which Restricted, If Any (Net MWe): None
10. Reasons For Restrictions, if Any: N/A THIS MONTH YR-TO-DATE CUMULATIVE
11. Hours in Reporting Period 720.0 6551.0 217487.0
12. Hours Reactor Critical 720.0 5739.7 139786.6
13. Hours Reactor Reserve Shutdown 0.0 0.0 0.0
14. Hours Generator On-Line 720.0 4986.2 135156.0
15. Hours Unit Reserve Shutdown 0.0 0.0 0.0
16. Gross Thennal Energy Generated (MWH) 1425405.0 9601759.0 242077689.0
17. Gross Electrical Energy Generated (MWH) 488140.0 3265290.0 82072904.0
18. Net Electrical Energy Generated (MWH) 469889.0 3139477.0 78907440.0
19. Unit Service Factor 100.0 76.1 62.1
20. Unit ^vallability Factor 100.0 76.1 62.1
21. Unit Capacity Factor (Using MDC Net) 97.4 71.5 54.2 f
22. Unit Capacity Factor (Using DER Net) 99.6 73.2 55.4
23. Unit Forced Outage Rate 0,0 9.9 11.4
24. Shutdowns, Scheduled Over Next 6 Months (Typa, Date, and Duration of Each) None
25. lf Shutdown At End Of Report Purlod, Estimate Date Of Start Up N/A-

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.' AVERAGE DAILY UNIT POWER LEVEL

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DOCKET NO. 50-293

, , NAME: Pilorim COMPLETED BY: R. A. Haladyna

.i TELEPHONE: (508)830 7004~

i REPORT MONTH: September 1997 4

i AVERAGE DAILY POWER LEVEL AVERAGE DA!LY POWER LEVEL i.

DM (MWe Net) D/Q' (MWe-Net) 1 660 16 658 2 660 17 657 3 661 18 658 1

4 659 19 556 l

5 659 20 641 ,

l 6 657 21 660 7 659 22 660 t

q 8 056 23 660 9 654 24 660 10 655 25 660 i 11 657 26 661

, 12 658 27 601

13 594 28 661 14 657 29 662 15 658 30 603 i

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This format lists the average daily unit power level in MWe-Net for each day in the reporting month, computed to the nearest whole megawatt.

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9E N DOCKET NO. 69 293 NAME: Pilarim

, . COMPLETED BY: R.A. Haladyna TELEPHONE: (508)830-7904 REPORT MONTH: September 1997 Th3 plant entered September at 100% core thermal power (CTP) where it was essentially maintained until September 13,1997. On September 13,1997, et 0201 hours0.00233 days <br />0.0558 hours <br />3.323413e-4 weeks <br />7.64805e-5 months <br /> the plant commenced a planned reduction in power to adjust the control rod pattom. On September 13,1997, at 1505 hours0.0174 days <br />0.418 hours <br />0.00249 weeks <br />5.726525e-4 months <br />, the plant attained 100%

CTP where it was essentially maintained until September 19,1997. On September 19,1997, at 1815 hours0.021 days <br />0.504 hours <br />0.003 weeks <br />6.906075e-4 months <br />, tha plant commenced reducing power to approximately 53% in response to the loss of feedwater heating r:sulting from problems with heater level switch LS 3153C. On September 20,1997, at 0347 hours0.00402 days <br />0.0964 hours <br />5.737434e-4 weeks <br />1.320335e-4 months <br />, the plant ctt lned 100% CTP where it was essentially maintained through the end of September.

SAFETY RELIEF VALVE CHALLENGES MONTH OF SEPTEMBER 1997 l - R:quirement: NUREG-0737 T.A.P. II.K.3.3 .

ThIre were no safety relief valve challenges during the reporting period.

REFUELING INFORMATION t

DOCKET NO. 50-293 NAME: Pilarim COMPLETED BY: R.A. Haladyna

'(ELEPHOiGi: (508)830 7904 REPORT MONTH: September 1997 The following refueling informat.en is includod in the Monthly Report as requested in NRC letter to BECo, dit:d January 18,1978:

Fcr your convunlence, the information supplied has been enumerated so that each number corresponds to cquivalent notation utilized in the request.

1. The name of this facility is Pilgrim Nuclear Power Station, Docket Number 50 293.
2. Scheduled date for next refueling shutdown: March 20,1999.
3. Scheduled date for restart following next refueling outage: April 24,1999.
4. Due to similarity, requests 4,5, and 6 are respondeo to collectively under #6.
5. See #6.
6. The new fuel loaded during the 1997 refueling outage (RFO #11) is of the same design loaded it' ihe previous refueling outage and consists of 208 new fuel assemb;!cs.
7. (a) There are 580 fuel assemblies in the core.

(b) There are 1974 fuel assemblies in the spent fuel pool.

8. (a) The station is presently licensed to store 3859 spent fuel assemblies. The spent fuel storage capacity is 2891 fuel assemblies. However,23 spent fuellocations cannot be used due to refuel bridge limitations.

(b) The planned spent fuel pool storage capacity is 3859 fuel assemblies.

9. With present spent fuel in storage, the spent fuel pool now has the capacity to accommodate an additional 894 fuel assemblies.

s UNIT SHUTDOWNO AND POWER REDUCTIONS DOCKET NO. 50-293 NAME- Pilorim .

COMPLt:1 t-U BY: R.A. Hatadyna TELEPHONE- (508) 830-7904 REPORT MONTH: September 1997 METHOD OF LICENSE SYSTEM COMPONENT CAUSE &

TYPE DURATION REASON SHUTT;NG EVENT CODE CODE CORRECTIVEACTION NO. DATE (hot >RS) DOWN REACTOR REPORT TO PREVENT 1 2 3 4 5 RECURRENCE 7 970919 S 0 B N/A N/A N/A N/A Power Reduchon from 100% CTP to approximatey 53% CTP due to piut/.eirs associated with the

[ 1 3 2

[3 [ 4&S ]

F - Forced A- Equip Failure 1 - Manual Exhibit F & H S - Scheduled B - Main or Test 2- Manual Scram Instructions for Prepoisdors of

( ) C - Refueling D - Regulatory Restriction 3 - Auto Scram 4 - Continued Data Entry Sheet Licensee Event Report (LER)

E-Operator Training & S - Reduced I. cad (File (NUREG-1022)

License Examinatron 9 - Other j F- Admin /

G- Opera $on Error H - Other

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i PILGRIM NUCLEAR POWER STATION MAJOR SAFETY-RELATED MANTENANCE ., .

DOCKET NO. 50-293 NAME Pilanm -

COMPLhiEU BY: R. A. Haladyna TELEPHONE- (508) 830-7904 i REPORT MONTH: September 1997~

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i ITEM COMPONENT MALFUNCTION CAUSE MAINTENANCE CORRECTIVEACTION ASSOCIATED .

TO PREVENT RECURRENCE LER t i

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i No significant safety related correctrve maintenance was performed dunng tt'is reporting penod.

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