ML20211C809

Monthly Operating Rept for Sept 1986

ML20211C809
Person / Time
Site:	Pilgrim
Issue date:	09/30/1986
From:	Hamilton P, Lydon J BOSTON EDISON CO.
To:	NRC OFFICE OF ADMINISTRATION (ADM), NRC OFFICE OF INSPECTION & ENFORCEMENT (IE)
References
86-160, NUDOCS 8610220027
Download: ML20211C809 (7)

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4 AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 50-293 UNIT Pilgrim i DATE 10/14/86-

! COMPLETED BY P. Hamilton TELEPHONE (617)746-7900 MONTH September 1986 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MHe-Net) (MHe-Net) 1 0. 17- 0.

2 0. 18 -O.

3 0. 19 0.

4 0. 20 0.

5 0. 21 0.

6 0. 22- 0.

7 0. 23 0.

8 0. 24 0.

9 0. 25 O.

10 0. 26 0.

11 0. 27 0.

12 0. 28 0.

13 0. 29- 0.

14 0. 30 0.

15 0 31 N/A 16 0.

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.

8610220027 e60930 !yh PDR ADOCK0500g3

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, OPERATING DATA REPORT DOCKET NO. 50-293 DATE 10/14/86 COMPLETED BY P. Hamilton TELEPHONE (617)746-7900 OPERATING STATUS

1. Unit Name Pilgrim i Notes

2. Reporting Period September 1986

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) 690

7. Maximum Dependable Capacity (Net MWe) 670

8. If Changes Occur in Capacity Ratings (Items Number 3 Through 7) Since Last Report, Give Reasons:

None

9. Pcwer 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 121055.0

12. Number Of Hours Reactor Was Critical 0.0 1715.5 79791.1

13. Reactor Reserve Shutdown Hours 0.0 0.0 0.0

14. Hours Generator On-Line 0.0 1646.0 77229.3

15. Unit Reserve Shutdown Hours 0.0 0.0 0.0

16. Gross Thermal Energy Generated (MWH) 0.0 3094416.0 134999880.0

17. Gross Electrical Energy Generated (MWH) 0.0 1068000.0 45444604.0

18. Net Electrical Energy Generated (MWH) 0.0 1027531.0 43675429.0 19.' Unit Service Factor 0.0 25.1 63.8

20. Unit Availability Factor 0.0 25.1 63.8

21. Unit Capacity Factor (Using MDC Net 0.0 23.4 53.8

22. Unit Capacity Factor (Using DER Net) 0.0 23.9 55.1

23. Unit Forced Outage Rate 0.0 66.1 12.1

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

Shutdown for Refueling Outage Number 7 - Outage' commenced on July 25, 1986

25. If Shut Down At End Of Report Period, Estimated Date of Startup -

April, 1987 .

26. Units In Test Status.-(Prior to Commercial Operation):

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Forecast Achieved INITIAL CRITICALITY INITIAL ELECTRICITY COMMERCIAL OPERATION (9/77)

REFUELING INFORMATION The following refueling information is included in the Monthly Report as requested in an NRC letter to BECo, 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 Number 50-293.

2. Scheduled date for next Refueling Shutdown

September 1988

3. . Scheduled date for restart following refueling: April 1987

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

5. See #6.

6. The new fuel, which was loaded during the 1983-84 refueling outage,-is of the same P8x8R design as loaded the previous outage and consists of 160 P80RB282 assemblies. In additico, 32 GE6B-P8DRB282 assemblies were also loaded.

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

(b) There are 1,128 fuel assemblies in the spent fuel pool.

8. (a) The station is presently licensed to store 2320 spent fuel assemblies. The actual usable spent fuel storage capacity is 2320 fuel assemblies.

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

9. With present spent fuel in storage, the spent fuel pool now has the capacity to accommodate an additional 1192 fuel assemblies.

BOSTON EDISON COMPANY PILGRIM NUCLEAR POWER STATION DOCKET NO. 50-293 Operational Summary for September 1986 1

- The unit has been shutdown all month for Refueling Outage Number 7.

Safety Relief Valve Challenges Month of September 1986 i

Requirement: NUREG-0737 T.A.P. II.K.3.3 i

There were no safety relief valve challenges during the month.

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M nth' September 1986 .

PILGRIM NUCLEAR POWER STATION MAJOR SAFETY.RELATED MAINTENANCE

^~-~

CORRECTIVE ACTION SYSTEM COMPONENT MALFUNCTION CAUSE MAINTENANCE TO PREVENT ASSOCIATED RECURRENCE LER Aux "B" Diesel 'High Lube Oil Dirty Replaced Filters, N/A' Routine N/A Electrical Generator Differential Lube Oil Cleaned Filter Maintenance Pressure Filters Compartment, and Sampled Oil for Foreign Matter Electrical Y-10 Auto Shifted From Undervoltage Replaced and Tested Drafting Procedures N/A Transfer Normal to Alt. Relay Was Undervoltage Relay to Periodically Test Switch for Power Supply Faulty per TP 86-89 Undervoltage Relays 125V Bus 06 m

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UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO. 50-293 UNIT NAME P11 grin 1

• DATE 10/14/86 COMPLETED BY P. Hamilton TELEPHONE (617)746-790 REPORT MONTH September 1986 METHOD OF LICENSE CAUSE & CORRECTIVE DURATION SHUTTING EVENT SYSTEM COMPONENT ACTION TO NO. DATE TYPE' (HOURS) REASON' DOWN REACTOR' REPORT # CODE

• CODE' PREVENT RECURRENCE 08 7/1/86 F 576.0 B 4 N/A N/A N/A Shutdown for Maintenance and Testing 08 7/25/86 S 168.0 C,B 4 N/A N/A- N/A Shutdown for

., RF0 7 Starting 7/25/86 08 8/1/86 S -744.0 C,B 4 N/A N/A N/A Shutdown for RF0 7 08 9/1/86 S 720.0 C,B 4 N/A N/A N/A Shutdown for RF0 7 1 2 2 3 4&5

. F-Forced A-Equip Failure F-Admin 1-Manual Exhibit F & H S-Sched B-Maint or Test G-Oper Error 2-Manual Scram Instructions for C-Refueling H-Other 3-Auto Scram Preparation of D-Regulatory Restriction 4-Continued Data Entry Sheet E-Operator Training 5-Reduced Load Licensee Event Report 5

& License Examination 9-Other (LER) File (NUREG-1022) 1

SOSTON EDfSON Executive offices 800 Boylston Street Boston, Massachusetts 02199 James M. Lydon October 14 , 1986 Chief Operating Ofhcer BECo Ltr. #86 160 Director Office of Inspection and Enforcement U.S. Nuclear Regulatory Commission Washington, D.C. 20555 Attn: Document Control Desk License No..DPR-35 Docket No. 50-293

Subject:

September 1986 Monthly Report

Dear Sir:

In accordance with PNPS Technical Specification 6.9.A.2, a copy of the Operational Status Summary for Pilgrim Nuclear Power Station is attached for your information and planning. Please note that the forced / planned outage hours for July and August 1986 have been revised based on our decision to commence Refueling Outage #7 on 7/25/86. The revised information~1s shown on the Unit Shutdown and Power Reductions page of this report and is also reflected in the unit forced outage rate for the Year to Date and Cumulative (ref. Item #23 of the Operating Data page of this report).

Respectfully submitted, aw

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. M. Lydon PJH:vep Attachment cc: Regional Administrator, Region I y U.S. Nuclear Regulatory Commission 631 Park Avenue King of Prussia, PA 19406

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