ML17037B716

Letter Submitting the August 1976 Operating Status Report

ML17037B716
Person / Time
Site:	Nine Mile Point
Issue date:	09/03/1976
From:	Schneider R Niagara Mohawk Power Corp
To:	Office of Nuclear Reactor Regulation
References
Download: ML17037B716 (9)

Text

U.S. NUCLEAR REGULATORY IISSION NRC FOAM 395 IW.TO>

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'PI NRC DISTRIBUTION FoA PART 60 DOCKET MATERIAL DOCKET NUMBER 50-220 FILE NUMBER MONTIILY REPORT N

R, C, FROM:

Niagara Mohawk Power Corp.

Syracuse, New York R. R.'chneider DATE OF DOCUMENT 9 3 76 DATE RECEIVED 9

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@LETTER P4) A I G INAL QCOPY QNOTOR IZED PfVNCLASSIFIED PROP INPUT FOAM NUMBER OF COPIES RECEIVED One signed DES C AIP TI0 N LETTER TRANS THE FOLLOWING:

ENCLOSURE MONTHLY REPORT FOR Au ust/1976 PLANT Ec COMPONENT OPERABILITY 6 AVAILABILITY, THIS REPORT TO BE USED IN PREPARING GRAY BOOK BY PLANS 6 OPERATIONS'LANT NAME:

Nine Mile Point 8l (1-P)

(3-P), (KCKgPgg@IIGF>

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fOR ACTION/INFORMATION 9

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EXTERNAL OISTR IBUTION

(.ONTROL NUMBLR

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CERTIFIED MAIL RETURN RECEIPT

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NXNB H E POXNT NUCLEAR STATXOtI NXAG HAM% PO4ER CORPOKXTX03 AVERAGEDAILYUYtlTPOOVE'R LEYEL DOCK.ET NO.

UNIT Sd - 220 D E~

COMPLETED BY TELEPHOiCE T. J. Perkins

~IOyTH Au ust 1976 DAY AVERAGEDAILYPOWER LEVEL

'iXDY~Xi'et) 1 512 DAY AVERAGE DAIK.YPONER LvVER.

(MWe-.Net) 353 17 10 13 60 532 531 529 532 18 20 23 24 25

'S 27 28 30 31 57 377 461 498 503 516 621 523 524 521

/cjw

NE NILE POXN'f NUCLEAR STATXOi~

NXAGAM ~i(0)iAMK POWER COP'590f XON OPERAT)NG DATAREPORT DOCKET NP.

UNIT 50 - 220 DATE Se tember 1

1976 CP(~~)PLETEP gy T. J. Perkins TELEPHONE 315) 343-2110 ext.

1312 OPERATING STATUS REPORTING PERIOD 760801-760831 GROSS HOURS IN REPORTING PERIOD:

744 CIIRRERTLYAD'PRQRIZED PC(VER LEVEL(LP(did MAR. DEP RD. CAPACITY ( IPA'P IPI): 610

3. PO'EYER LEVELTOWHICH RESTRICTED (IF ANY) (IfiVlc-Nei):

4I. REASONS FOR RESTRICTION (IF ANY):

5 NUMBER OF HOURS REACTOR WAS CRITICAI

6. REACTOR RESERVE SHUTDOWN HOURS

7. HOURS GENERATOR OiN LINE

&. UNIT RESERVE SHUTDOWN HOURS THIS b10iUTH 715. 8 K.6 YRTO DATE CUMULATIVE 5 068;8.

"42,906

~ 3 291. 8.

1 138. 1 4 927.2 40 706.3 20.2 20.2

9. GROSS THERMALENERGY GENERATED (MWH).....,........~~

8, 158,089 6'4,372,635

10. GROSS ELECTRICALENERGY GENERATED (iYIWH).

11 NH ELECTRICAL ENERGY GENERA'TED (iYiWH)

12. REACTOR SERVICE FACTOR.

13. REACTOR AVAILABILITYFACTOR

~

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348,687 96.2 100 2 649 829 21 142 932 2,567,799 20,485,893 86.6 71.6 96.7 73.5 141. UNITSERVICE FACTOR

15. UNITAVAILABILITYFACTOR

16. UiNITCAPACITY FACTOR (Using MDC)

17. UNITCAPACITY FACTOR (Using Design I(II(Ye)

18. UNIT FORCED OUTAGE RATE 93.6 76.8 84.2 85.0 71.9 71.9 13.3 68.0 68.0 56.1 56.1 13.0

19. SHUTDOWNS SCH DULED OVER NEXT 6 I'10(XTHS (TYPE, DATE, AND DURATIOiNOF EACPI)s

20. IF SHUT DOlYN AT LND OF REPORT PF RIOD, ESTIMATEDDATE OF STARTUP:

/cjw

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NINE MILE POINT NUCLEAR STATION NIAGAIViMOHAWK POHER CORPORATION UNITSHUTDOWNS AND POWER REDUCTIONS REPORT MONTI.I A >

DOCKET NO.

50 220 HtllT N NH DATE Se tember 1

COMPLETED BY ~

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t. '1312 NO.

DATE 8

8/6/76 TYPE F: FORCED S: SCHEDULED DURATION (HOURS) 22.6 REASON (1)

-A METHOD OF SHUTTING DOWN THE REACTOR OR REDUCING POSER (2)

. CORRECTIVE ACTIONSi'COMMENTS Generator trip due to malfunction of field ground test switch.

8/17/76 24.8 While testing turbine stop valves, turbine

'tripped due to faulty limit switches.

/cgw (I)

REASON A: I:.QUIPMEN'fI'AILURE(EXPLAIN)

D: hiAINT.OR TEST C: REI'UELINC D: Rl'.CULATOI<YRESTRICTION I;: OPERATOIC:fRAININGAND LICENSI'. I'.XAhliNA'fION I'l ADhilNlS'I'RATIVL':

OPi',IIATIONALERROR ()EXPLAIN)

Ill O'I'llVR<I XI'LAIN)

(2) hiETHOD 1: MANUAL 2: hiANUALSCRAM.

3: AUTOMATlCSCRAM 4; OTHER (EXPLAIN)

SUI'IMARY:

Turbine output {therefore reactor output) limited due to high lake temperature

{condenser cooling inlet) causing higher than normal turbine back pressure.

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