ML19270H983

Monthly Operating Repts for Dec 1979

ML19270H983
Person / Time
Site:	Brunswick
Issue date:	01/02/1980
From:	Willis E CAROLINA POWER & LIGHT CO.
To:
Shared Package
ML19270H982	List: ML19270H981 ML19270H983
References
NUDOCS 8001100395
Download: ML19270H983 (11)

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APPENDIX DOCKE1 NO.: 050-0324 UNIT: BRUNSWICK NO. 2 Col!PLETED BY: EULIS A. WILLIS CPERATIONS SLT!ARY -

BRUNSWICK NO. 2 Brunswick Unit No. 2 operated at 74.4* capacity factor for the month of Decc=ber wi:h two major interruptions.

NOVEMBER 30: Power was reduced for 35.2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> for condenser wate rbox work.

DECEMBER 25: The unit was separated f rom the grid to perform a plant modification on the Safety Relief Valves.

Total downtime far the unit was 144.2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> resulting in a 80.6% availability factor. More detailed informatien on individual outages is included in Appendix D of this report.

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UNIT SiltilDOWNS AND POWER REDUCTIONS N's M 8 "O. mn-g UhlTNAME ,1,, NIIE!SIIICK ?!O a _1 DATE J ant' A R Y 1980 COMPLETED BY EULIS A. WILLIS REPORT af 0NTi! . DECDIBER 1979 TELEPHONE (919)457-9521 i e

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023 791201 F 78.1 A 2 N/A CB VAI. VEX The unit was separated from grid due to high drywell leakage from the Reactor Recirculation Suction and discharge .

valves leak-offs. The suction and discharge valves were leaking exces-sively by the stem packing. Inspectior determined that the Reactor Recirculation Pump 1A " staging" flow valve was not operating.

The packing was ad. justed and the valye glands were repacked as needed to stop leakage. A solenoid for the staging flow valve was found defective. It wat replaced and the unit returned to 8

satisfactory service.

! 2 3 F.., cJ 4 F R e.n. .n Method: Ealabit C. Instructions s 5.heduled .\ I .su:pmer.: l'adur e ( L s plain) 14f a n ual for Preparatmn of Data uxnnien. nie oi Te>i 24tanual Scrarn. Entsy Sheets for IAensee C.R. suct nc 3 Avi. matic Seraan.

D Reyn:a:..r> l<ninermo Event Report tLiiR) Falc (NUREG.

4 Other (Explain) 01611 l'. Operas..r Tianung & License limanunation 17 AJoun..isaine 5

(; Operan.sa,8 I noe il splaint es 77) Il Othes ll'splanal Eshibit I Same Source

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UNil Silull) OWNS AND l'OWER REDUCllONS ,y , .

g -g g3r y g .I ANilA RY 1980 CO.\lPLETED BY Ell' I 's A - It'f f IS REPOR I .\f 0N'll! DECI: tiller 19 79 TELEPilONE (939) 457-9521 l -  : c Dale c.

5E  ; j EQ luce.sce ' n,, ,E% Cause d Correceive N. . . 7. E 4 2 Ey 1:v. ni y c- 3 Astion to S jf y ,j j - trepor e sEC ' Psevens Resurscoce 6

025 791221 F 2.1 B 1 N/A Sit VALVEX Tlie unit was placed on the grid then separted f rorn the grid for construction to make repairs to the safety relief valve modification (see outage No.79-036).

I I 2 3 4 f: Force.: Reason, hiethod: E shibt: G Instruciiuns S Scheduled A 1.pupment Fah teIExplain) 1 htanual for Picparati..n of Data li..Mainiciunce or Tes 2-htanual Scra m. Ener> Sheets for Licensee C.iteineting 3 Autinuatic Se8ain. Evera Repose (LER) File INUREG.

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li-Operaios Tianung i lucw l manunaison .

F.Adnunntrative 5 C-Operational Error it:spion) Eshibn I Same Sour.< .

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APPENDIX DOCKET NO. 050-0325 UNIT: BRUNSWICK NO. 1 DATE: JANUARY 1980 COMPLETED BY: EULIS A. WILLIS OPERATIONS

SUMMARY

BRUNSWICK No. 1 Brunswick Unic No. 1 operated at 51.3% capacity factor for the month of December with three major interruptions.

DECEM3ER 1: The unit was separated f rom the grid for [S.1 hours1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> due to high drywell leakage f rom the Reactor Recirculation Suction and Discharge Valves.

DECEM3ER 12: The unit was separated from the grid for 215 hours0.00249 days <br />0.0597 hours <br />3.554894e-4 weeks <br />8.18075e-5 months <br /> to perform a plant modification to add Safety Relief Valve positive indication system.

DECEM3ER 21: The unit was separated from the grid for 2.1 hours1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> in order to correct problems f rom the previous outage.

Tota. downtime for the unit was 296.2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> resulting in a 60.2% availability tactor. For more detailed information on indist:%g1 outages, see Appendix D cf this report.

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