ML20127B433

Monthly Operating Rept for May 1985

ML20127B433
Person / Time
Site:	Nine Mile Point
Issue date:	05/31/1985
From:	Lempges T, Roman T NIAGARA MOHAWK POWER CORP.
To:	NRC OFFICE OF ADMINISTRATION (ADM), NRC OFFICE OF INSPECTION & ENFORCEMENT (IE)
References
NMP-12066, NUDOCS 8506210470
Download: ML20127B433 (5)

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NIAGARA h!OllAWK POWER CORPORATION i

NINE h!ILE POINT NUCLEAR STATION UNIT #1 NARRATIVE OF OPERATING EXPERIENCE i

The station operated during the month of blay 1985 with a Unit l

Availability Factor of 100.0% and a Net Design Electrical Capacity Factor of 90.1%.

There were 0 challenges to Electromatic Relief Valves. Reductions in Capacity Factor were due to bfain Condenser Tube Leaks.

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CLASS I WORK - h!ECllANICAL h!AINTENANCE - h!AY 1985 hR# 21238 Rebuilt Sparc Water Accum. #A2152-C, hR# 32688 Cont. Spray lleat Exchanger #122, made repairs in accordance with sketch JAP 050985 WR# 32686 Cont. Spray lleat Exchanger #111, made repairs in accordance with sketch JAP 050985 hR# 30543

1. 13 RBCLC lit. Exchanger, plugged 3 tubes WR# 32713 Cont. Spray IIcat Exchanger #111, P.T. welds hR# 32160 Cont. Spray llent Exchanger #112, made temporary repairs in accordance with JAP 050985 WR# 32707 68-07 Self Acc. Ck. Valve Vac Relief, freed up valve hR# 32872 Cont. Spray lleat Exchanger, remove boat samples per procedure N1-hBIP-13.8 CLASS I WORK - ELECTRICAL blAINTENANCE - h!AY 1985 WR# 30142 Cont. Spray. Valve 80-115, valve stem and Limitorque operator separated, repaired per engineering direction.

CLASS I WORK - INSTRUhlENTATION 4 CONTROL - h!AY 1985 WR# 30144 Solenoid Valve 201.2-143 blowing by (replaced solenold) hR# 32935 blaster trip card not functioning properly for test sequence (replaced card)

WR# 33042 Solenoid operator valve 201.2-114 leaking (replaced defective valve)

WR# 32906 Solenoid operator valve 201.2-115 leaking (replaced defective valve)

(h 8506210470 850531 PDR ADOCK 05000920

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OPERATING DATA REPORT 50-220 DOCKET NO.

DATE 6/6/85 COSIPLETED liY Th' Roman TELEPHONE (11 G Xao.2422 OPERATING STATUS

1. Unit Name:

Nine Mile Point Unit #1 Notes

2. Reporting Period:

5/01/85 thru 5/31/85

3. Licensed Thermal Power (MWt):

1850 640

4. Nameplate Rating (Gross MWe):

620

5. Design Electrical Rating (Net MWe):

630

6. Maximum Dependable Capacity (Gross MWe):

610

7. Maximum Dependable Capacity (Net MWe):

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

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

10. Reasons For Restrictions.If Any:

This Month Yr. to.Date Cumulatise

!!. Hours in Reporting Period 744 3623 137,688.2

12. Number Of Hours Reactor Was Critical 744 3593.1 96,308.8 0

0 1204.J

13. Reactor Reserve Shutdown Hours

14. Hours Generator On-Line 744 3578.3 93,383.6

15. Unit Reserve Shutdown Hours 0

0 20.4

16. Gross Thermal Energy Generated (MWH) 1.270.083.0 6.461,203,0 155,750,653,0

17. Gross Electrical Energy Generated (MWH) 427.64L O_,

2,197,453,0 51,578,241.0

18. Net Electrical Energy Generated (MWH) 415.385.0 2,132.888.0 49.962.882.0

19. Unit Service Factor 100.0 98.8 67.8

20. Unit Availability Factor 100.0 98.8 67.8

21. Unit Capacity Factor IUsing MDC Net) 91.5 96.5 59.5

22. Unit Capacity Factor (Using DER Net) 90.1 95.0 58.5

23. Unit Forced Outage Rate 0.0 1.2 15.9

24. Shutdowns Scheduled Over Next 6 Months IType. Date.and Duration of Each p:

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

26. Units in Test Status IPrior to Commercial Operation):

Forecast Achiesed INITIAL CRITICALITY INITIAL ELECTRICITY COMMERCIAL OPERATION 19/771

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. AVER tGE DULY UNIT P0hER LEVEL

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DOCKET NO.

f UNIT 9 Afile Pt. #1 DATE 6/6/85 m

l CO\\lPLE TED 11Y TW Roman W

TELEPilONE (315) 349-2422

.\\l0 NTH Alay 1985 DAY AVERAGE DAILY POWER LEVEL, DAY AVER AGE DAILY POWER LEVEL 15tWe Neil 15fWe Neil

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405 ty 609 2

535 IS 608 4g4 19 609 4

296 20 607 5

445.

21 606 6

596 606 607 7

605

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611 g

604

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609 9

23 459 609 10 26 606 448 gg 27 332 12 604 2S 13 563 607 605 Id 607 30 is 609 608 3,

16 606 I

INSTRllCTIONS l

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e UNITSHUTDOWNS AND POWER REDUCTIONS DOCKET NO.

50-220 UNIT NAME 9 Mile Pt. #1 DATE 6/6/65

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REPORT MONDI Mav 1985 COMPLETED BY TK Roman > dy TELEPHONE (3151 349-2402

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Cause & Corrective p

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}L Prevent Recurrence i 5j Repor a mO CO 0

85-05 5/1/85 31 A

Load Reduction for Condenser Tube Leaks (120 plugged) 85-06 5/3/85 66 A

Load Reduction for Condenser Tube Leaks (110 plugged) 85-07 5/11/85 53 A

Load Reduction for Condenser Tube Leaks (30 plugged) 85-08 5/25/85 23.6 A

Load Reduction for Condenser Tube Leaks (8 plugged) 1 l

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3 4

F: Forced Reason:

Method:

Exhibit G -Instructions S: Scheduled A-Equipment Failure (Explain) 1-Manual for Preparation of Data B-Maintenance of Test 2-Manual Scram.

Entry Sheets for Licensee C-Refueling 3 Automatic Scram.

Event Report (LER) File (NUREG-D-Regulatory Restriction 40ther (Explain) 0161)

E-Operator Training & License Examination F-Adninistrative 5

G-Operational Error (Explain)

Exhibit 1 - Same Source 08/77) ll-Other (Explai 0

F NtfP-12066 NIAGARA MOHAWK POWER CORPORATION NI AGAR A MOHAWK 300 EMIE BOULEV ARD WEST SYR ACUSE. N. Y.13 202 June 10, 1985 Virector Of fice of Inspection and Enforccment U.S. Nucleivt Regulatony Comnission k'ashington, QC 20SSS Attn:

Occumentt and Conttot Desk Re:

Docket No. 50-220 DPR-63 Ocar Sir:

Submitted herewlth is the Report of Operating Statistics and Shutdown for blay 1985 for the fline flite Point Nuctcar Station UnLt Mi.

Also included is a narrative report of Operating Experience for Akty 1985.

Vcry LAuty yours,

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fs-Thomas E. Lempge6 Vice President Nuctcar Generation TEL/to attachments cc: Director, Of fice of I6E (10 copics) f

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