ML20114D615

Monthly Operating Rept for Dec 1984

ML20114D615
Person / Time
Site:	Nine Mile Point
Issue date:	12/31/1984
From:	Lempges T, Roman T NIAGARA MOHAWK POWER CORP.
To:	NRC OFFICE OF ADMINISTRATION (ADM), NRC OFFICE OF INSPECTION & ENFORCEMENT (IE)
References
NMP-10287, NUDOCS 8501310485
Download: ML20114D615 (6)

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NI AGARA M0llAWK l'OWER CORI' ORATION NINE MILE l'0!NT NUCLEAR STATION UNIT # 1 NARRATIVE OF OPERATING EXPERIENCE

-The station operated during the month of December 1984 with a Unit Availability Factor of 91. l *.

and a Net Design Electrical Capacity Factor of 87.7%

There were 0

challenges to Electromatic Relief Valves. Reductions in Capacity Factor were due to #12 Backup ~Se am Solenoid Valve failure and Control Rod Pattern Exchange CLASS I WORK - MECIIANICAL MAINTENANCE - DECEMBER 1984 hR# 26050 Rebuild CRD 42-35, S/N#6810 WR# 26047 Rebuild CRD 14-35, S/N#6874 hR# 26044 Rebuild CRD 14-39, S/N#71617 WR# 26049 Rebuild CRD 22-47, S/N#71417 WR# 24589 Rebuild CRD 22-35, S/N#71463 WR# 26042 Scrapped CRD 10-31, S/N#71529 hR# 26040 Scrapped CRD 26-27, S/N#71430 WR# 24587 Rebuild CRD 10-35, S/N#71659 hR# 21225 Rebuild CRD S/N#71551 WR# 29991 Repair CRD IICU 10-35, Leaky foot valve hR# 30258 Repair Scram Outlet Valve llCV 18-07 WR# 30254 Repair Scram Outlet Valve IICV 26-51 hR# 30260 Repair Scram Outlet Valve liCV 26-31 WR# 30256 Repair Scram Outlet Valve ilCV 26-03 WR# 30255 Repair Scram Outlet Valve liCV 30-11 hR# 30259 Repair Scram Outlet Valve llCV 26-11 hR# 28579 Repair Oil Leak on Coupling to 12,Feedwater Pump WR# 26272 ~

Repaired Hydraulic Snubber 51-HS-12 hR# 26273 Installed pipe hanger on 44-11-101 CLASS 'I WORK - ELECTRICAL MAINTENANCE - DECEMBER 1984 MO 1927 This major order involves updating station equipment for Equipment Qualification. The worked performed includes wiring position limit switches, wiring solenoid valves and a transmitter and taping motor Icads. -In addition, condulets were scaled with Bisco Seal for temperature elements in the Emergency Condensor Makeup

_ System. The systems involved are Post Accident Sampling, Reactor Building Cooling Water, Reactor Containment Air Purge and: Fill and Reactor Containment N2 Purge and Fill.

.q B501310485 841231 l PDR ADOCK 05000220 l

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C1. ASS I liORK - INSTRUAll NTATION Ji_CONTR0l. - DI:ClialBER 1931 IVR# 30026 CRD-43 Backup Scram Solenoid NC16B is leaking air off the air header.

(installed new SOV at CRD-44) CRD 43 was found working properly.

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1 OPERATING DATA REPORT DOCKETNO 50-220 g

Roman?~[f' DAIE 1/7/85 CO\\lPLETED IlY T h'

_ TELEPHONE _ (315) 349-2422 OPERATING STATUS

1. Unit Name: Nine Mile Point Unit #1.

Notes

2. Reporting Period: December 1984 12/1/84 - 12/31/84 1850

3. Licensed Thermal Power (MWt):

640

4. Nameplate Rating (Gross MWe):

650

5. Design Electrical Rating (Net MWe):

6. Maximum Dependable Capacity (Gross MWe):

620

7. Maximum Dependable Capacity (Net MWe):

610

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 Cumulative iI. Hours in Reporting Period 744 8785 134.065.2

12. Number Of Hours Reactor Was Critical 692 6414.2 92715.7

13. Reactor Reserve Shutdown Hours 0

0 1204.2

14. Hours Generator On-Line 678 6317.0 89R05 3

15. Unit Reserve Shutdown Hours 0

0 20.4

16. Gross Thermal Energy Generated (MWH) 1224598.0 11195010.0 149289450.0

17. Gross Electrical Energy Generated (MWH) 416991.0 3749007.0 doxan7RR n

18. Net Electrical Energy Generated (MWH).

404597.0 3635235.0 47829994.0

19. Unit Service Factor 91.1 71.9 67.0

20. Unit Availability Factor 91.1 71.9 67 0-g

21. Unit Capacity Factor (Using MDC Net) 89.I 67.8 58.5

22. Unit Capacity Factor (Using DER Net) 87.7 66.7 57.5

23. Unit Forced Outage Rate 8.9 1.8 16.4

24. Shutdowns Scheduled Over Next 6 Months IType. Date,and Duration of Each1

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

26. Units in Test Status (Prior o Commercial Operationi:

Forecast Achieved INITIAL CRITICALITY INITIA L ELECTRICITY.

COMMERCIAL OPERATION 01/771 l

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AVER (CE D(ILY L* NIT POh El,( LEVEL DOCKET NO. 50-220 UNIT 9 Flite Pt. #1 1/7/85 1'

DATE

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a COMPLETED BY T.W;-Roman'-

TELEril0NE (315)349-2422 j

MONTH - December 1984 DAY AVERACE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL tMWe Net)

DlWe Neil 612

• g7 0

2 611 g3 0

3 613 19 219 I

4 20 498 5

613 21 591-6 612 604 7

.601 23 578--

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562

~612 i

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9 613 25 612-10 611' l

26 610 II 613 3-610 l

12 611 2s 612 I3 612 29.

613- -

0I3 14 30 614 15

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~ ~ INSTRUCTIONS ~ ~~7

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50-220 UNITSHUTDOWNS AND POWER REDUCTIONS DOCKET NO.

UNIT NAME 9 Mi1e PT-

"1 DATE-1/7/05 REPORTMONT11 December 1984 COMPLETED BY TW Roman (A -

c TELEPitONE f315)349-2422 I

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a f.E 5 Licensee

[cg E4 Cause & Corrective b,"',

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Event u '2

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Action to c$ E E

j 5; g Report a N0 j'

Prevent Recurrence c5 84-17 12/8/84 S

~7 11 Load reduction to 71% CTP for Control Rod Pattern Adjustment.

84-18 12/16/84 F

99.S A

1 Failure of #12 Backup Scram Sole-noid Valve during surveillance testing, replaced #12 Backup Scram Solenoid Valve.'

84-19

-12/20/84 S

9.5 11 Load reduction to 9 *4 CTP for Control Rod Pattern Adjustment.

84-20 12/23/84 S

13 11 Load reduction to 855 CTP for Control Rod Pattern Adjustment.

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4 F: Forced Reason y Method:

Exhibit G In.tructions S: Schedulcil A Equipment Failure (Explain) 1 Manual for Preparatioa of Data B Mahurance or Test 2 Manual Seram.

Entry Sheeq for Licensee C. Refueling 3 Automatic Scram.

Event Repert (LER) File (NUREG-

. D Regulatory Restriction 4-Other ( Explain) 0161)

E-Operator Training & License Examination F-Administra'8 :

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j C 0,,crational Error (Explain)

Exhib.i 1 Same Source lis/77)

Il Other (+ Explain) s i

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~rc-Nf.tP-1025 7 NI AGARA MOHAWK POWER CORPORATION NI AGt H A

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Olrector Office of in.spection and Enforccment U.S. Nuclear Regulatory -Commission Washington, - DC 20555 Attn:

Document and Control Desk Re: Docket No. 50-220 DPR-63 Ocar Sir:

Submitted herewith is the Report of Operating Statistics and Shutdown for December 1984 for the Nine blite Point Nuclear Station Unit N1.

Also included is a narrative report of Operating Experience for December 1984 Very traly yowts,

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Thomas E. Lempges Vice President Nuclear Generation L,

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TEL/Lo attachmenta cc: Director, Office of ISE (10 copies) i t

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