ML20154K072

Monthly Operating Rept for Sept 1998 for Pilgrim Nuclear Power Station.With

ML20154K072
Person / Time
Site:	Pilgrim
Issue date:	09/30/1998
From:	Alexander J, Lenhart M BOSTON EDISON CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
LTR.2.98.134, NUDOCS 9810160099
Download: ML20154K072 (3)

Text

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Tech. Sp:c. 6.9.A.2 a-O Soefore Endfaw=

Pilgrim Nuclear Power Station Rocky Hill Road Plymouth, Massachusetts 027A-5599 i

October 14,1998 BECo Ltr. 2.98.134 j

J.F. Alexander Nuclear Assessment Group Manager U.S. Nuclear Regulatory Commission Attention: Document Control Desk Washington, DC 20555 I

Docket No. 50.293 License No. DPR 35 September 1998 Monthly Operatina Report in accordance with Pilgrim Nuclear Power Station Technical Specification 5.6.4, the operational status summary for Pilgrim Nuclear Power Station is provided in the attachment for your information and planning. Should you have questions or comments concerning this report, please contact Marie Lenhart at (508) 830-7937.

.F. Alexander uclear Assessment Group Manager

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l MTU298134

Attachment:

September 1998 Monthly Operating Report i

cc: Mr. Hubert Miller d'

j Regional Administrator, Region i U.S. Nuclear Regulatory Commission 475 Allendale Road King of Prussia, PA 19406 Senior Resident inspector 9810160099 900930 PDR ADOCK 05000293:

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Attichment 1

4 OPERATING DATA REPORT DOCKET NO.

50-293 NAME:

Pilarim COMPLETED BY:

M. T. Lenhart TELEPHONE:

(508) 830 7937 REPORT MONTH:

September 1998

. OPERATING STATUS NOTES

1. Unit Name Pilgrim 1

2. Reporting Period September 1998

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 Chanaes

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 6551.0 226,247.0

12. Hours Reactor Critical 720.0 6551.0 148,265.9

13. Hours Reactor Reserve Shutdown 0.0 0.0 0.0

14. Hours Generator On-Line 720.0 6551.0 143,562.5

15. Hours Unit Reserve Shutdown 0.0 0.0 0.0

16. Gross Thermal Energy Generated (MWH) 1,369,642.0 12,745,208.0 258,356,648.0

17. Gros.s Electrical Energy Generated (MWH) 467,410.0 439,318.0 87,682,664.0

18. Net Electrical Energy Generated (MWH) 449,842.0 4,232,395.0 84,310,789.0

19. Unit Service Factor 100.0 100.0 63.5

20. Unit Availability Factor 100.0 100.0 63.5

21. Unit Capacity Factor (Using MDC Net) 93.3 96.4 55.6

22. Unit Capacity Factor (Using DER Net) 95.4 98.6 56.9

23. Unit Forced Outage Rate 0.0 0.0 11.0 l

. 24. Shutdowns, Scheduled Over Next 6 Months (Type, Date, and Duration of Each)

None

25. If Shutdown At End Of Report Period, Unit Operating

DOCKET NO.

50-293 NAME:

Pilorim 1

COMPLETED BY:

M. T. Lenhart TELEPHONE-(508)830-7937 REPORT MONTH:

September 1998

~

OPERATION

SUMMARY

The plant entered September at 100% core thermal power (CTP). Minor power reductions were performed on 9/1 through 9/6 to avoid exceeding main condenser vacuum and hotwell temperature limits. On 9/6, at 2130 hours0.0247 days <br />0.592 hours <br />0.00352 weeks <br />8.10465e-4 months <br />, the plant commenced reducing power to perform a backwash of the main condenser. On 9F, at 0800 hours0.00926 days <br />0.222 hours <br />0.00132 weeks <br />3.044e-4 months <br />, the plant attained 100% CTP where it was essentially maintained until 9/18. On 9/18, at 2100 hours0.0243 days <br />0.583 hours <br />0.00347 weeks <br />7.9905e-4 months <br />, s

the plant commenced a scheduled power reduction to facilitate entry into the main condenser waterboxes for inspection and cleaning. On 9/20, at 2335 hours0.027 days <br />0.649 hours <br />0.00386 weeks <br />8.884675e-4 months <br /> the plant attained 100% CTP. On 9/21, at approximately 2000 hours0.0231 days <br />0.556 hours <br />0.00331 weeks <br />7.61e-4 months <br />, the plant briefly reduced power to adjust the rod pattem. On 9/21, at approximately 2300 hours0.0266 days <br />0.639 hours <br />0.0038 weeks <br />8.7515e-4 months <br />, the plant attained 100% CTP where it was maintained through the end of September.

UNIT SHUTDOWNS METHOD OF CAUSE/ CORRECTIVE ACTION / COMMENTS TYPE DURATION REASON SHUTTING DOWN NO.

DATE (HOURS)

REACTOR 1

2 3

No unit shutdowns occurred during this reporting period.

1 2

3 F - Forced A - Equip Failure 1 - Manual S - Scheduled B - Main or Test 2 - Manual Scram C - Refueling 3-Auto Scram D - Regu!atory Restriction 4 - Continuation E - Operator Training &

5 - Other License Examination F - Admin G - Operation Error H - Other

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