ML20079B268

Monthly Operating Repts for May 1991 for Point Beach Nuclear Plant,Units 1 & 2

ML20079B268
Person / Time
Site:	Point Beach
Issue date:	05/31/1991
From:	Fay C, Peterson D WISCONSIN ELECTRIC POWER CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
CON-NRC-91-55 VPNPD-91-185, NUDOCS 9106140179
Download: ML20079B268 (9)

Text

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Wisconsin Electnc .

POW 1 COMPANY l I 231 w Movvi Po Iv. 20e,5 Ma.uA 4. w twi Muj 7;'i put

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Juno 10, 1991 j U.G. liUCLEAR REGULATORY COlO47SSIO!1 l Document Control Desk l Mail Station P1-137 Washington, D.C. 205;S Gentlement DOCKETS 50-266 AND 50-301 liONTilLY OPERATING REPORTS POINT BEACil NUCLEAIL PLANT. UllITS 1 AND 2 Attached are monthly operating reports for Units 1 and 2, Point Beach Nuclear Plant, for the calendar month of May 1991.

Very truly yours,

/l Lu &

c. W a Vice President Nuclear Power Attachments Copios to L. L. Smith, PSCW NRC Regional Administrator, Region III NRC Resident Inspector I

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• I OP5GIATDIG DATA ItEPORT .

DOCKET 380. 50-266 . .

Of DATE June 6, 1991

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TELEPHOIE 414/755-2321 O[

] OPERATING STATUS

1. UNIT MAME2 POINT BEACE NUCLEAR FIAalT UNIT 1 . ISOTES .

2. REPORTING PERIOD: MAY 1991 . .

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3. LICEBESED THERNAL POtfER (NBfT): 1518.5 . .

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4. NAMEPEATE RATDIG (GROSS asfE): 523.8 . .

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5. DESICK ELECTRICAL 14ATDeG (157 ,est): 497. . . ,

6. MAIDEUM DEPENM CAPACITY (GROSS DesE): 509. . . gf

7. MAEIMUM DEPENDAELE CAPA M (NET Mare): 485. . . .. . ................... y' O. IF CMABIGES OOCER IN CAPACITY BATINGS (ITEMS NUIEEER 3 THftOUGH 7) SINCE LAST REPORT, GIVE EtEASOeras I Nor APPLIChauc 1

9. PotsER LEVEL 10 ifMICK 3tESTRICT2D, IF ANT (EET asfE):' NDY APPLICABLE i

10. mNS POR stBSTRICTICIES, (IF AIET): NOT APPLICABI2 THIS atOstTH YR TO DATT. C3pE7LATIVE

11. HOURS IN REPORTDIG PERIOD 744 3,623 180,287

12. IeUMBER OF HOURS EEEAC"OR IdAS CRITICAL 293.3 2,577.3 148,344.8

13. REACTOR RESERVE SEUTDORIst isOURS 0.0 0.0 652.7 j 14. IBOCRS GENERATOR Ott LDIE 219.3 2,502.3 145,405.8 i 15. UNIT RESERVE SHUTDOtfN HOURS 0.0 0.0 837.9

16. GROSS THE5 WEAL ENERGY GEIEERATED (3 GEN) 312,554 3,767,8I1 203,174,506 j 17. GROSS ELECTRICAL ESEERGT GEBEEBIATED (708H) 1C5,480 1,280,030 68,582,410 i 10. NET ELECTRICAL E3tERGY GENERATED (MMH) 97,298 1,220,657 65,341,697 l 19. UICIT SERVICE FACTOR 29.5 69.1 80.7 i 20. UBEIT AVAIIABILITY FACTOR 29.5 69.1 81.1

21. UstIT CAPACITY FACTOR (USIhG MDC leet) 27.0 69.5 74.3 l 22. U8017 CAPACITY FACTOR (USUSG DER NET) 26.3 67.8 72.9

23. UNIT PostcED OUrAcE RA21c 5.1 0.5 1.7 l 26. SHUTDOtfMS SN OVER NEET 6 NOORTHS (TTPE, DATE, e D DURATIOst OF EACH):

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DATA REPOstTED AND FACTORS CAIEUEATED AS 3tEQUESTED IN NIIC 12TTER DATED SEPTN 22, 1977

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D A E ,Y DAILY

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RAY MWe NET DAY MWe NET DAY MWe NET _. g 1 -2 11 -5 21 64 1 18 2 -2 12 -7 22 121 I T

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l DOCKET No. 50-266 UNIT HAME point Beach Unit i DATE June 6, 1991 i COMPLETED BY D. C. Peterson TELEPHONE 414/755-2321, Ext. 361 Unit i returned to service May 21 following a 47-day refueling and maintenance outage. A reactor trip from power occurred at 1146 on May 30. The automatic scram was caused by deenergization of the rod reactor protection instrument bus due to invertor failure. The unit was returned to power at 2337 the same day.

During this period, Unit i experienced an event which is reportable in accordance with 10CFR50.73. On May 10, during steam generator crevice flushing, the primary system temperature exceeded 200'r without establishing containment integrity.

Immediate corrective action consisted of cooling down the primary to less than 200'F. This event is detailed in Licensee Event Report 91-004.

The Unit i service Water piping supply and roturn for the containment Accident Fan Coolers was chemically oleanad; a 36 percent improvement in flow was noted.

Safety-related maintenance includodt internal cleaning of service water check valve to auxiliary food pump cooling SW-135A, '

roworked internals of auxiliary fced to steam gonorator check valve AF-101, calibrated and adjusted position indicator on control board 1C03 to match local indication for auxiliary food dischargo valvo AF-4000, reworked and internally cleaned regenerative heat exchanger inlot check valve CV-370, ropacked steam gonorator blowdown isolation valve MS-5959, environmentally qualified motor to load splices and lug connection for containment spray pumps F-14A and B, installed new packing and stem on steam throttis valve to the turbino auxiliary feed pump TV-2002, inspected and cleaned pressure switch on steam dump arming control PS-2142, residual heat removal inlet check valvos, heat exchanger inlet arid outlet valvos, heat exchanger cross connects, and inlot and outlet flow control valvos were cleaned and re-torqued, repairs to pressurizer pressure control valve RC-431A.

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OPEitATING DATA JtEPORT 3[

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DATE June 6, 1991 o!

N BY D. C. Peterson 2O .

OPERATING STATUS TELEPHOeE 414/755-2321 t i

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1. UNIT MA8EE: POINT BEACM NUCLEAR PLAarr UNIT

2. REPOftTING PERICOs 2

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' MAY 1991 . . &(l i

3. LICENSID THERMAL POtER (Jerr)z, 1518.5 . .

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4. BEAMEPIATE RATING (N MRIE): 523.8 .

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5. DESIGIr ELacTRICAL BATDIG (IEET 3SfE)497. * . .

6. MAEIMON DEPNJE CAFACITT (GROSS 35E): 509. .. .

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i 7. MAEINESE DEPE3ED&IKK CAPACITY (IST asfE):

485. .. . . . .

S. IF CH48BCES OCCUR IN CAPACITY EIATDBGS ..................

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300T APPLICAREK REASONSs 3 THROUGH 7) IS i 1

9. POtER LEVEL TO 18EIM RESTRICIED, IF AffY (IRT 395):

13. 3tEASCIES FOR RESTRICTIONS, NOT APPLICABLE 1 i (IF Afff)s 3 BOT APPLICAREX f i

THIS MOerTH TR ID DATE  !

Ct20tFLATIVE

11. HOORS IN REPORTDIG PERIOD

12. EeugeIER OF 3000Bts MN tRAS CRITICAL 744 3,623 i 165,072 744.0 3,623.0 I 13. ItEACTOR 3tESENv5 SEUTDOter HOURS 144,707.5

14. HOURS CENEstATOR 005 Y TM O.O O.O i

744.0 216.7

15. DIFIT RESERVE SHUTDOIIII HOURS 3,t,23.0 142,542.4 0.0 0.0 302.2 e

< 15. SHOSS THEADIAL ENERGY GENERATED (MMM) 1,128,516 5,482,814 l

17. Gaoss XIACTRICAL EIGRGY GE3EERATED (3EWH) 388,200 203,647,223

! 13. NET EEACTRICAL EIEERGY GEIEE5thTED 1,864,570 69,181,830 f l (JedH) 371,242

19. DIGIT SERVICE FACTOIt 1,804,296 65,936,362 i

20. tarIT AVAIIABILITT FACTOst 100.0 100.0 86.4 {

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21. UNIT CAPACITY FACIOst (USDec MDC NET) 102.9 86.5

22. UtIIT CAPACITY FACIOR (USING DER NET) 102.7 81.7 [

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24. SHUTDOeSES SCHEDUIAD O*'ER NEET 6 3eOtrDis (TYPE, DATE, AND DUptATIOst 1.1 or EACE) '

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25. IT SEUTDOtSt AT E3ID OF EtEPOftT PEstIOD, ESTDEATED DP.TE OF STAltTUPz BeDT SHDTDObstr

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o e e s DOCKET No. 50-301 UNIT NAME Point Beach Unit 2 DATE June 6, 1991 C0KPLETED BY D. c. Peterson

. TELEPHONE 414/755-2321, Ext. 361 Unit 2 operated at approximately 499 MWe not throughout this report period with no significant load reductions.

Safety-related maintenance includes replacement of power and control cables to the boric acid tank (2T-6C) heaters, calibrated and tested containment hydrogen monitor llYA-967, repositioned contact and tested train "B" Tave to loops A/B main steam isolation logic relay TC-00402D-XB.

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