ML20203K418

Monthly Operating Rept for Jul 1986

ML20203K418
Person / Time
Site:	Pilgrim
Issue date:	07/31/1986
From:	Hamilton P, Lydon J BOSTON EDISON CO.
To:	NRC OFFICE OF ADMINISTRATION (ADM), NRC OFFICE OF INSPECTION & ENFORCEMENT (IE)
References
86-115, NUDOCS 8608200293
Download: ML20203K418 (7)

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1 AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 50-293 UNIT Pilgrim 1 DATE 8/14/86 COMPLETED BY P. Hami1 ton TELEPHONE (617)?46-7900 MONTH July 1986 DAY AVERAGE DAILY POWER LEVEL -DAY AVERAGE DAILY POWER LEVEL (MWe-Net) (MWe-Net) 1 0. 17 0.

2 0. 18 0.

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 0.

10 0. 26 0.

11 0. 27 0.

12 0. 28 0.

13 0. 29 0.

14 0. 30 _

0.

15 0 31 0.

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.

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OPERATING DATA REPORT DOCKET NO. 50-293 DATE 8/14/86 COMPLETED BY P. Hamilton TELEPHONE (617)746-7900 OPERATING STATUS

1. Unit Name Pilgrim 1 Notes

2. Reporting Period July 1986

3. Licensed Thermal Power (MHt) 1998

4. Nameplate Rating (Gross MHe) 678

5. Design Electrical Rating (Net MHe) 655

6. Maximum Dependable Capacity (Gross HHe) 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. 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 Feriod 744.0 5087.0 119591.0

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 (MHH) 0.0 3094416.0 134999880.0

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

18. Net Electrical Energy Generated (MWH) 0.0 1027531.0 43675429.0

19. Unit Service Factor - 0.0 32.4 64.6

20. Unit Availability Factor 0.0 32.4 64.6

21. Unit Capacity Factor (US'ng MDC Net) 0.0 30.1 54.5 22., Unit Capacity Factor (using DER Net) 00 30.8 55.8

23. Unit Forced Outage Rate 100.0 67.2 12.3

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

None

25. If Shut Down At End'0f Report Period, Estimated Date of Startup -

1st atr. 1987.

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

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: July 1986

3. Scheduled date for restart following refueling: 1st quarter 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 F8x8R design as loa'ied the previous outage and consists of 160 P80RB282 assemblies. In addition, 32 GE68-P80RB282 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.

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BOSTON EDISON COMPANY PILGRIM NUCLEAR POWER STATION DOCKET NO. 50-293 l

Operational Summary for July 1986 The Unit remained shutdown throughout the month to address various hardware and administrative items. Refueling outage Number 7 commenced on July 25, 1986.

Safety Relief Valve Challenges r

Month of July 1986 Requirement: NUREG-0737 T.A.P. II.K.3.3 There were no safety relief valve challenges during the month.

Month July 1986 PILGRIM NUCLEAR POWER STATION l MAJOR SAFETY RELATED MAINTENANCE CORRECTIVE ACTION l

SYSTEM COMPONENT MALFUNCTION CAUSE MAINTENANCE TO PREVENT ASSOCIATED l

RECURRENCE LER 1

Instrument Rod Block Not Auto Blown Repaired i 15V Isolated N/A and Control Monitor "A" Bypassing Power Supply regulator event Secondary Dampers Gears Aging Realign Improved damper N/A Containment A0/N 82,83, Misaligned modification to be Isolation 90 completed during RF0 #7 Electrical Breaker Tripped SSW* Pump Motor sent to Breaker EC* Trips N/A B603 P208C GE, cleaned and replaced with Motor reinstalled. MV*T with revised

-u Breaker Failure trip settings traced to EC trips and settings.

Electrical Breaker Tripped MCC* Removed construc- Inspected other N/A B1061 B28 tion debris from cubicles & deter-Bus in MCC B28. mined to be single event.

EC - GE EC-1 type trip element MVT - Micro Versatrip element SSW - Salt Service Water MCC - Motor Control Center I G

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UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO. 50-293 UNIT NAME Pilgrim 1 DATE 8/14/86 COMPLETED BY P. Hamilton TELEPHONE (617)746-790 REPORT MONTH July 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 744.0 4 N/A N/A N/A The unit remained (continued) shutdown to address various hardware and ad-ministrative items including RHR pump wear ring inspect-ions and local leak rate testing.

RF0 7 commenced 7/25/86.

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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 l

D-Regulatory Restriction 4-Continued Data Entry Sheet l E-Operator Training 5-Reduced Load Licensee Event Report

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

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t Executive offices 800 Boylston street Boston. Massachusetts 02199 James M. Lydon August 14, 1986-Chief Operating Officer BECo Ltr. #86-115 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:

July 1986 Monthly Report 1

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.

Respectfully submitted,

! aw, At W

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

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