ML20083K929

Monthly Operating Rept for Mar 1984

ML20083K929
Person / Time
Site:	Nine Mile Point
Issue date:	03/31/1984
From:	Lempges T, Roman T NIAGARA MOHAWK POWER CORP.
To:	NRC OFFICE OF ADMINISTRATION (ADM), NRC OFFICE OF INSPECTION & ENFORCEMENT (IE)
References
NMP-8317, NUDOCS 8404170075
Download: ML20083K929 (6)

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NIAGARA N0llAWK POWER CORPORATION NINE MILE POINT NUCLEAR STATION UNIT #1 NARRATIVE OF OPERATING EXPERIENCE The station operated during the month of March with a monthly unit availability factor of 51.8% and a net design electrical capacity factor of 41.3%.

The plant operated from March 1 to March 17 in a coastdown mode to 77.7% power. On March 17 the unit was removed from servic'e for a scheduled refueling and plant overhaul of approximately 8 weeks.

CLASS I WORK - MAINTENANCE - MARCil 1984 WR# 21205 #12 RBCLC Installed new mech. seals, pump wear rings WR# 25138 #112 Containment Spray lleat Exchanger - inspection WR# 24524 Liquid Poison Valve #705 replaced stem WR# 25143 #121 Containment Spray lleat Exchanger - inspection l WR# 24513 Cont. Spray R.W. Valve 93 took up on packing

WR# 25137 #122 Containment Spray lleat Exchanger -inspection WR# 21479 #11 FWP seal waterline - replaced union l #12 FWP Warm up .line Valve (29-FW42) replaced valve l

WR# 21207 WR# 25139 #112 Containment Spray lleat Exchanger - inspection, plugged tubes WR# 24434 FCV 50-20; inspect internals WR# 25104 FCV 50-20; Straighten stem WR#. 21208 #11 FWP Warm up line Valve (29-FW27) replaced valve WR# 23095 Removed Blank Flanges Liq. Poison 2 1/2" El. 298 Rx. Bldg.

for ISI inspection WR# 23209 Component Support #33-1141 (misalignment) .

WR# 22381 ' Shutdown Cooling Pump #13 replaced shaft, impeller, wear rings WR# 25282 Penetration W-116 Added Knowool and Flamastic WR# 24567 Penetration RW-29 Added Knowool and Flamastic WR# 25281 Penetration W-19 Added Kaowool and Flamastic WR#. 25285 Penetration I-32 Added Knowool and Flamastic WR#- 25286 Penetration I-33 Added Kaowool and Flamastic CLASS I WORK - INSTRUMENTATION 6 CONTROL - MARCll 1984 WR# 23505 #12 Inst. Air Comp. loading ~ solenoids (rebuilt solenoid valves)

WR# 22127 Check operation of solenoid valves IA26 6 IA25, repair if necessary .(replaced coil on solenoids IA25 6.IA26) 8404170075 8400K32 PDR ADOCK 05000220

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CLASS I - ELECTRICAL MAINTENANCE - MARCII 1984 WR# 21440 Containment Radiation Monitoring removed wires for App. J Mod WR# 23332 N2 Purge and Fill removed wires for App. J. Mod WR# 23333 Lontainment Radiation Monitoring removed wires for App. J. Mod WR# 24475 161 MG Set 600V Bkr. replaced overcurrent devices WR# 24489 13 Shutdown Cooling Pump Bkr. replaced overcurrent devices WR# 25084 11 Shutdown Cooling Pump Bkr. replaced overcurrent devices WR# 25097 CU System Return IV33-01 attached thermal heaters WR# 25173 Containment Radiation Monitoring replaced terminal block M0s 2131 Rx Protection System MG Set Alarms 3411 Core Spray /Rx Ilead Vent 3405 Remove Shutdown Panel Isol Mod.

3384 ilPCI Low Flow Control System 2440 Primary Cont. Vent Post LOCA SURVEILLANCE TEST N1-MST-M1 125 VDC Battery Pilot Cell Voltage 6 Specific Gravity Test

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OPERATING DATA REPORT DOCKET NO.

50-220 DATE 4/6/04 COMPLETED BY TW Roman TELEPHONE (315)349-2422 OPERATING STATUS

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

2. Reporting Period: 3/1/84 - 3/31/84

3. Licensed Thermal Power (MWt): 1850

4. Nameplate Rating (Gross MWe): 640 -

5. Design Electrical Rating (Net MWe): 630

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 744.0 1825.5 126.360.2

12. Number Of Hours Reactor Was Critical 388.5 1828.5 88.130.2

13. Reactor Reserve Shutdown Hours 0 0 1,204.2

14. Hours Generator On Line 385.5 1825.5 85,313.8

15. Unit Reserve Shutdown Hours 0 0 20.4

16. Gross Thermal Energy Generated (MWH) 589,280.0 3,062,522.0 141,156,962.0

17. Gross Electrical Energy Generated (MWH) 196,936.0 1,034,284.0 46,666,065.0

18. Net Electrical Energy Generated (MWH). 190,366.0 1,001,923.0 45,196,682.0

19. Unit Service Factor 51.8 83.6 67.5

20. Unit Availability Factor 51.8 83.6 67.5

21. Unit Capacity Factor (Using MDC Net) 41.9 75.2 58.6

22. Unit Capacity Factor (Using DER Net) 41.3 74.0 57.7

23. Unit Forced Outage Rate 0.0 0.0 17.1 24, Shutdowns Scheduled Over Next 6 Months (Type. Date,and Duration of Each1:

Biennial Refuel and Overhaul started 3/17/84

25. If Shut Down At End Of Report Period. Estimated Date of Startup: 5/15/84

26. Units In Test Status (Prior to Commercial Operation): Foreca t . Achieved l

INITIAL CRITICALITY INITIAL ELECTRICITY COMMERCIAL OPERATION i

'(4/77) t,_.--._- -- ._ . - - . . _ _ _

AVER \GE D ALLY UNIT POh ER LEVEL DOCKET NO. 50-220 UNIT 9 blile Pt. #1 4/3/84 DATE CO\lPLETED BY TW Roman h, TELEPIIONE -(315)349-2422

. MONTH Mnrr h 10Ra DAY AVERACE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe.NetI (ywe.x, 3 1 509 g7 13 2 503 is 0 3 507 39 0 4 504 0 20 5 501 2g 0 e 6 501 ,,

0 7 500 33 ,_ 0 8 494 24 -0 9 491 0 -

25 10 494 26 0 11 492 0 2-12 49'1 33 0 13 487 29 o 14 486 0 30 15 3g 0' 16 474 INSTRL*CTIONS On this format.hst the average daily unit power leselin MWe. Net for exh day in the repmemu in.inth.C.unpute o the nearest whole me;swort. '

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DOCKET NO.

50-220

• UNIT SHUTDOWNS AND POWER REDUCTIONS '

UNIT NAME 9 Mile Pt. 1 .* '

DATE 4/0/64 m .

COMPLETED BY TW Roman A g REPORT MONTH March 1984 TELEPHONE (3151349-2412 .

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, .! ? 3 $YE Licensee ,E*, $*'. Cause & Corrective No. i EE h 2 5 cE Event p s8 Action to H g$ I. ci j;gg Report a mO j' Prevent Recurrence d

• 84-6 3/17/84 S C 1 Unit Shutdown for Biennial Refuel and Overhaul O

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l l I 2 3 4 l F: Forced Reason: Method: Exhibit G -Instructions

• i S: Scheduled A-Equipment Failure (Explain) I 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 4-Other (Explain) 0161)

E-Operator Training & License Examination F-Administrative . 5 G-Operational Errur (Explain) Exhibit I - Same Source 19/77) Il4)ther (Explain) amo .

NMP-8317 l

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NIAGARA MOHAWK POWER CORPORATION NIAGARA MOHAWK 300 ERIE BOULEVARD. WEST SYRACUSE.N Y.13202 AptLL 11, 1984 Qirector Office of Inspection and Enforcemen.t U.S. Nuetear Regulatory Commission it'asitington, DC 20555 ATTN: Document and Control Desh Re: Docket No. 50-220 i DPR - 63

Dear Sir,

Subnitted Iterewitit is the Report of Operating Statistics and SItutdoten Experience for MarcIt 1984 for tite Nine I.llie Poiett Nuctcar Station Unit YI .

Also included is a narrative report of Operating Experience for Marcit 1984 Sincercly,

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V' ' ! "& 91- 2 -

Thomas E. Lempges Vice President Nueicar Generation TEL/Lo AttacItmenta cc: Director, Of fice of ISE (10 copies)

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