ML20147B530

Monthly Oper Repts for Nov 1978

ML20147B530
Person / Time
Site:	Brunswick
Issue date:	12/05/1978
From:	Willis E CAROLINA POWER & LIGHT CO.
To:
Shared Package
ML20147B522	List: ML20147B518 ML20147B530
References
NUDOCS 7812150332
Download: ML20147B530 (12)

Text

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DOCKET NO. 091-0325 l nATE 12/n5/7-C0hPLETEr) ny EULIS ILLI c TELEPHO:;E 919-457-6701 OPERATI'IU STATUS

l. U.11 T S A"E r 3RUl!SP!ICK UNIT 1 I >!nTES I

2. REP 0iiTI!!U PERIOD: 93VEMBEI? 76 I I

3. LICE:! SED THE RI.!AL PO'9ER ( lU"T ) : 2435 I I 4 .! A."EPL ATE RAIII'O ( GR OS S ,D'E ) : 867.0 I I S. DES I D:t ELECTi?IC AL R ATI NG ('IET 'dP!E) : b2I.O I I

5. ...AX TTEPENDADLE C APACITY (GRDSS P!E): 315.0 I I

7. AX DEPE.'IDAjLE C AP ACITY (:lET O!E ): 790.0 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

d. IF C :A'.'JES GCCUR I!' CAPACITY HTI'!G9 (ITEIS 3 THPU 7) SI'CC LAST 4:r>DRT, biVE .iASODS:

V. P3,'ER LEVEL TO MHICH deers!CTED IF AW( ( 1ET U'J!E ) : '!J' E

10. REA50,1S FJE RESTRICTIUM IF AJY:

CU UL THIS YR TO VONTH D iTE ATIVE

11. :UURS l'l PEPORTING PERIDU 720.0 8914.0 14v53.^

12. '!J.mER JF h0URS REACTOR P'A9 CRITICAL 667.3 711/.6 1 15 56. '>

13. REAUTOR RESERVE SHUTJU"'.4 HOURS -

0.0 0.0 1647.I 14 ii]UdS DE!iER ATnn U:1 LINE 621.1 6tw .6 loo 75.m 15 . UlIT RESERVE ShUTu0*l.! HDU7S 0.1 c. 0 0.'

Id. U30SS THEh:AL E!:ERGY GE'!ERATED (,WH) In61045.2 15nn039I.4 22Vi1217.o

17. GRUSS ELECTi;ICAL E'!ERGY GEliERATED (W"!) 347265.0 4971551.0 7593b47.1 lo. NET ELECTRICI AL Eh'ER3Y GE'IER ATED (l!.'."H) 334140.0 4799253.0 7315042.0

19. U'!II SERVICE F ACTOR 86.3 65.9 72.3

20. UNIT AVAILABILITY FACTOR e6.3 35.9 72.3

21. U:ili C AP ACITY FACTO 7 (USI?l0 PDC tiET) 56.7 75.6 61.9

22. U!!IT CAPACITY FACTOR (USING DER 'fET) 56.5 72.9 59.6

23. U?IT FC7CEu OUTAGE 7 ATE 7.0 10.0 24.c 24 SHUrDJ "fS SCHEDULE 9 DVER ?! EXT 5 '0::TH3 (TYPE, DATE, AlD DU" ATIT GF E ACH)-

Refueling 79,01,13 1656.0 hours0 days <br />0 hours <br />0 weeks <br />0 months <br />

26. IF ShuTJ3"'; AT Ei!D JF REP 07T PERI 1U, ESTI"ATEn DATE 0.: STADT UP: n/ n/ 0

26. U-IIiC I'! TEST STATUS (PRIDD TO C0'mERICIAL DPERATIO1): FOT W .c. , I V E P l

l I !ITI AL CrITICALITl - - - - - - - - --------

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APPEDIX E

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uAt AVG. DAILi 'i>OhE7 LEVEL DAY AVG. DAILY P31-lED LEVEL

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I 790. 17 345.

2 435 16 ".

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J 7ba. 20 165. ,

O 503. 21 349, 6 647. 22 353 7 7e6. 23 357.

t 7c5. 24 242.

767. 540.

V 25 10 705. 26 58'.

11 212. 27 e 12.

12 7]. 2d 5n6 13 607. 29 567.

14 4E7. 33 575, 15 397. >

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UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO. 050-0325 ,.

UNIT NAME Brimnwick No. 1 DATE December 4, 1978 COMPLETEiJ gy Eults A. Willis REPORT MONTH .Hoyombar 1978 TELEPHONE (919) 457-6701 1 - E E

, ,{g 3 j .y] Licensee h in. Cause & Corrective a No .' Date H

& Eg s j g@ Event gg gu3 Action to yI E Report # mO j ;g g g Prevent Recurrence 6

1

, 035 781102 F 18.1 G 3 N/A MB INSTRU- I&C technician replacing steam jet

., air ejector switch 1-0G-TIS-2752 with jumper installed. Screwdriver slipped, blowing the control power fuse. SJAE inlet valves shut and -

could not be recet. Reector scrammed when turbine control valve fast

, closure resulted from loss of conden-ser vacuum.

l. The events leading to the scram will. be reviewed in training classes for all I&C technicians.

2. An EWR will be submitted for engineering to determine the

' feasibility'of installing separate control power fuses on the SJAE's.

I 2 3 4 F: Forced Reason: Method: Exhibit G-Instructions S: Scheduled A-Equipment Failure (Explain) 1-Manual for Preparation of Data

, B Maintenance of Test . 2-Manua! Scram. Entry Sheets for 1.icensee C-Refueling 3-Automatic Scram. Event Report (LER) File (NURLG-

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

E-Operatur Training & License Examination F-Administrative 5-G-Operational Error (Explain) Exhibit I - Same Source (9/77) Il-Other (Explain)

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. m UNIT SHUTDOWNS AND POWER REDUCTIONS ' DOCKET NO. 050-0325 .

UNIT NAME Brunswicit No. 1 DATE no, hor A_ io7g COMPLETED By Eulis A. Willis REPORT MONT11 November 1978 TELEPilONE (919) 457-6701 e

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.! E '3 $ .! 5 Licensee ,Eg j*t Cause & Corrective +

{ No. Date ]g s ,@ j $ Event g po - Action to 4

8-f5 5 2t 6; ;g:

Report # mO o

o Prevent Recurrence 6

036 781111 F 28.3 H 3 N/A 'HB ZZZZZZ Separated unit from grid due to high i

reactor vessel conductivity. Re actor scrammed due to level control problem f Reactor vessel conductivity was .

1 corrected and unit returned to i service. . Reactor' vessel conductivity l was caused by MSR control system

l. being unstable. The system was

. placed in menual control and-l stabilized.

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i i 1 2 3 4 F: Forced ' Reason: Methed: Exhibit G-Instructiims S: Scheduled A Equipment Failure (Explain) 1-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 (NURLG-D-Regula:ory Restriction 4-Other (Explain) 0161)

- E-Operator Training & License Examination j- F-Administrative 5 i G-Operational Error (Explain) Exhibit I - Same Source t

19/77) Il-Other (Explain) i a

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UNIT SIIUTDOWNS AND POWER REDUCTIONS DOCKET NO. 050-0325 ,

' UNIT NAME Brunswick No. .1 1 DAT E December 4. 1978 REPORT MONTII November 1978 COMPLETED BY Eulis A. Willis TELEPilONE (919) 457-6701 i

n.

- B E No. Date

, .$ ? 3g $Y5 Licensee ,E% {% Cause & Corrective e g- g Ej _g g 5 Event ' gi o-3 Action to H $ I., E 3 ;g F Report # to u $U Prevent Recurrence o

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037 781117 S 52 5 B 3 N/A CB PIPEXX Power level uas being reduced to 3 . separate from the grid to begin a .

planned outage to reinspect 4 1

recirculating system nozzle safe-end's. While descending in power, a stator cooling runback periodic -

test was performed on the unit tur-bine/ generator. The runback failed to stop at the low power stop and the reactor scrammed on high pressure when the bypass valve capacity was exceeded. The nozzle safe-ends were inspected and no changes in previous-ly identified indications were found.

(1) The stator cooling runback limiter will be repaired during the upcoming Unit No. I refueling outage.

. (2) The recirculating nozzle safe-(Cont'd.on Page Z of Z)

I 2 3 4 F: Forced Reason: '

Method: Exhibit G -Instructions S: Scheduled A-Equipment Failure (Explain) I-Manual for Preparation of Data i B-Maintenance of Test 2-Manual Scram. Entr> Sheets for Licensee C-Refocling 3 Automatic Scram. Event Report (LER) File (NUREG-D-Regulatory kestriction 4-Other (Explain) 0161)

E-Operator Training & License Examination F Administrative 5 G. Operational Error (Explain) Exhibit I - Same Source p7/77) Il-Other (Explain)

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UNITSIIUTDOWNS kND POWER RE')UCTIONS DOCKET NO. 050-0325 UNIT NAME Brunswicit No. I DATE Daca=har 4- 1978

~

N ovember 1978 COMPLETED BY Eulis A. Willis REPORrMONT11 TELEPiiONE (919) 457-6701 e.

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--, jE 3 E5 ' Licensee ,E-r, h Cause & Corrective No. Date i 3g 4 } s'5

.2 Event g3 o-3 Action to -

t-fE E y ;5 ::

<. f Report n in O !O u

Prevent Recurrence 6

037 781117 S 52.5 B . 3 N/A ' CB 'PIPEXX '(cont'd) ends wilI be inspected during the *

. upcoming Unit No. I refueling outage to determine if there have been any changes in indications which were-

• previously identified.

I 2 3 . 4 F: Forced Reason: Method: Exhibit G -Instructions S: Scheduled A.1:quipment Failure (Explain) 1-Manual for Preparation of Data .;

B. Maintenance or Test 2-Manual Scram. Entry Shecis for Licensee C-Refuel;ng 3-Automatic Scram. Event Report (LER) File (NUREG-D. Regulatory Restriction ..

4-Other (Explain) 0161)

E-Operator Training & License Examination F-Administrative i 5 G-Operational Error (lixplain) ;e Exhibit I- S,ame Source l'8/77) II-Oiher (Explain)

l APPENDIX ]

i DOCKET NO. 050-0325 UNIT Brunswick No. 1 DATE December 5. 1978 l COMPLETED BY Eulis A. Willis 1 BRUNSWICK NO. 1 Availability factor for Brunswick Unit No. I was 86.3% for November, with 1 three shutdowns lasting a total of 98.9 hours1.041667e-4 days <br />0.0025 hours <br />1.488095e-5 weeks <br />3.4245e-6 months <br /> occurring this month: ,

P November 2: A technician error while replacing steam jet air ejector switch 1-0G-TIS-2752 caused a reactor scram. The unit was down for 18.1 bours.

November 11: The unit was separated from the grid due to high reactor vessel -

conductivity. The conductivity was caused by MSR control system being unstable. "Down time" 28 3 hours3.472222e-5 days <br />8.333333e-4 hours <br />4.960317e-6 weeks <br />1.1415e-6 months <br /> November 17: Power was being reduced to separate from the grid to begin a planned outage to reinspect 4 recirculating system nozzle safe ends, when the reactor scrammed due to stator cooling runback limiter problems. "Down time" 52.5 hours5.787037e-5 days <br />0.00139 hours <br />8.267196e-6 weeks <br />1.9025e-6 months <br />.

Capacity factor was limited to 58.7% because of load following as per the dispatchers request, high reactor vessel conductivity and " preconditioning" the fuel, i

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OPERATING DATA REPORT DOCKET'NO. 057-0324 DATE I2/01/7.>

CDP.PLETED BY EULIS '?ILLIS TELEPHONE 919-457-6701 OPERATI NG STATUS

1. UNIT IAME: BRUliSI'.'ICK UNIT 2 I NOTES I

2. REPORTING PERIOD: NOVEMBER 76 I I

3. LICENSED THERMAL PO3!ER (#MT): 2435 I I:

4. NAiiEPLATE RATING (GROSS JP!E) * 'S67.0 I I

6. DESIGN ELECTRICAL RATING-(NET '4WE): 821.0. I I

6. MAX DEPENDABLE CAPACITY (GROSS MNE): 615.0 I- I

7. hAX DEPENDADLE CAPACITY (NET Mt1E ): 790.0 - - - - - - - - - - - - - - - - - - - - - - - - - - - -

s. IF CHA1GES OCCUR IN CAPACITY R ATINGS (ITEl.iS 3' THRU 7) SIUCE LAST 9:PD7T, GIVE REASOUSi

9. PJ'dR LEVEL TO WHICH RESTRICTED IF ANY ( NET MPlE) * . NONE

10. REASONS FOR RESTRICTION IF ANY:

THIS YP TO CUdUL -

MONTH DATE ATIVE-

11. HJURS IN REPORTING PERIOD 720.0 8016.0 26977.0

12. NURSER OF HOURS REACTOP PAS CRITICAL 531.4 657c.5 13545.4

13. RE^ ACTOR RESERVE SHUTDOWN HOURS 0.0 3.0 0.0

14. HOURS GENERATOR D': LIHE 514.5 6285.0 17392.0

15. UNIT RESERVE SHUTDO'!N HOURS 0.0 0.0 0. 0

16. GROSS THERMAL E!.' ERG ( GEiERATED (MWH) 939249.0 13137233.2 39358992.9

17. GROSS ELECTRICAL ENER'iY G NERATED (Mv!H) 315333.0 4427232.0 10275292.0 ,

16. NET ELECTRICI AL ENERGY GENERATED (WlH) 303056.0 4271073.0' 9864856.0' r

19. UNIT SERVICE FACTOR 71.5 70.4 54.5:

20. UNIT AVAILABILITY FACTOR 71.5 7s.4 $3.5

21. U'IIT CAP ACIT( FACTOR (USING "DC NET) 53.3 67.4 e6.3

22. UNIT CAPACITY FACTOR (USING DER HET) 51'.3 64.-9 da.5

23. U'MT FORCED OUTAGE R ATE 28.5 9.6 15.6 r 24 SHUTDTINS SCHEDULED DVER NEXT 6 HONTHS (TYPE, DATE, AND DUDATION-D.: EA.CH):

Refueling 79,02,18 1488.0 hour0 days <br />0 hours <br />0 weeks <br />0 months <br />s-Modification- 78,12,23 48.0 hours0 days <br />0 hours <br />0 weeks <br />0 months <br /> (78-269) 25.'IF SHUTOOMU AT END OF REPORT PERIOD, ESTI: FATED DATE OF START UP: I2/ I/71 '

26. U:iITS I:1 TEST STATUS (PRIOR TO C0!ZERICIAL OPERATION): ForAST ACHEIVED IRITIAL CRITICALITY - - - - - - - - - - - - - -

IUITI AL ELECTRICITi -------- -------- i

'CO LERICIAL OPERATION -------- - - - - - - -

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APPENDIX B AVERAGE DAILY PO!';ER LEVEL DOCKET NO. 050-0324 UiIIT nR'Jt!S'?ICK UN'IT 2 DATE 12/01/70 COMPLETED BY EULIS "'ILLIS TELEPHO'JE 91v-457-67ni dQVEi?ER To vAY AVG. DAILY POWER LEVEL DAY AVG. DAILY P011ER LEVEL (MNE-NET) ( Ml'!E-!!ET )

1 794. 17 283.

2 79I. 18 335.

3 7b6. 19 -449.

4 3c6. 20 504.

5 699 21 545.

6 441. 22 573.

7 0. 23 623.

6 0. 24 666.

9 0. 25 770 10 0. 25 707.

1i 0. 27 775.

12 0. 2d 770.

13 c. 29 .771.

14 93. 33 363.

15 302.

16 272.

1.16 - 8

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!. 050-0324 UNITSifUTDOWNS AND POWER REDUCTIONS - DOCKET NO. .

~- -

i UNIT NAME Brunswick No. 2 ,

DATE December 4. 1978 REPORT MONT11 November 1978 COMPLETED BY _Eulis A. Willis l; .

TELEPlf0NE (919) 457-6701 "c.

.5 E 3g Y Licensee E-t b Cause & Currective --i No. Date h 3g ;g g & Event E5 8.% '8 Action to gu H 5 5 Report # t#G e di g c$ 5 Prevent Recurrence

. 0 t o 4 031 781106- F 193.0 A 3 N/A EB ELECON A broken shield cable caused phase to .-'

l' phase short on. the Delco West 230 KV transmission line causing severe trans-i mission system instability. The-

, instability caused a generator lockout 4 on loes of excitation resulting in a- -

, turbine. trip and a reactor scram.

liechanical seals.were damaged on both reactor recirculating pumps.

I ,

An investigation was performed by the r c) 4 generator manufacturer.(General ~Electri

' to determine if the exciter controls failed to perform as required in re-sponse to the transient. The results t- of the investigation are pending the manufacturer's review. An investigation is being performed 'by Transmission 4

Substation Maintenance Service to deter ruine '

j d.ct cacccd the tc;;._ission instability'

y y and correctgi ve action. Mechanical seals ,

i F: Forced Reason: Method: on the reacto1EnMei Cifd#Akiq3nPumps E .were

- 5: Scheduled A-Equipment Failure (Explain) 14tanual replaced. . for Preparation of Data B-Maintenance of Test .

2-Manual Scram. Entry Shuts for Licensee ,

4 C-Refueling 3-Automatic Scram. Escent ReporI (LERI File iNUREG. -

1 D-Regulatory Restriction 4-Other (Explain) 0161) r

. E-Operator Training & License Examination t 4

F-Administrative 5

, G. Operational Error (Explain) Eihibit 1 - Same Source

t9/77) II-Othes (Explain)

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050-0324 UNIT SIIU11) OWNS AND POWER REDUCTIONS DOCKET NO. ,

UNIT N AME Brunswick No. 2 DATE December 4. 1978 REPORTMONT1f _ November 1978 COMPLETED BY Eulis A. Willis TELEPIIONE (919) 457-6701

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-o $E 3 $ .Y 5 Licensee ,E t, jn. Cause & Corrective s No. Date g g Ej $ jgE Event y Q Action to E

$E $ 5g= Report # mV $U Prevent Recurrence f

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032 781130 F 12.5 G 3 N/A CII INSTRU Reactor scram on reactor low level while technician working on recorder C32-R006 (Total Steam Flow). Record-er was pegged high. When lead to recorder was lifted,.the 3 element level control loop was interrupted, -

the feed pump level control s~aw zero and ran the feed pumps back. Level dropped to scram set point.

(Continued Next Month) 4

, t 2 3 4 F: Forced Reason: Method: Exhibit G-Instructions S: Scheduled A-Equipment Failure (Explain) 14tanual for P eparation of Data B Maintenance of Test ,

2-Manual Scram. Entry Sheets for Licensee C-Refueling 3-Automatic Scram. Event Report (LERI File (NUREG.

D-Regulatory Restriction 4-Other (Explain) 01611 E-Operator Training & l_icense Examination F Administrative 5 G-Operational Error (Explain) Exhibit I - Same Source (9/77) 1I-Other (Explain) l

APPENDIX DOCKET NO. 050-0324 I UNIT Brunswick No. 2 DATE December 5, 1978 COMPLETED BY Eulis A. Willis BRUNSWICK NO. 2 Capacity factor for Brunswick Unit No. 2 was 53.3% for the month of November because of high reactor vessel conductivity, " preconditioning" the fuel, two forced outages, and " load following" near the end of the month. Total "down time" for the month was 205.5 hour5.787037e-5 days <br />0.00139 hours <br />8.267196e-6 weeks <br />1.9025e-6 months <br />s:

November 6: A broken shield cable caused a generator lockout which caused a turbine trip and a reactor scram. Mechanical seals on both reactor recirculating pumps were damaged. The unit was.down for 193 hours0.00223 days <br />0.0536 hours <br />3.191138e-4 weeks <br />7.34365e-5 months <br />.

November 30: A technician error caused a reactor scram which lasted through the end of the report period (12.5 hours5.787037e-5 days <br />0.00139 hours <br />8.267196e-6 weeks <br />1.9025e-6 months <br />). Unit back on-line 12-1-78. 7 Brunswick Unit No. 2 availability factor for the month of November 71.5%. For ,

, further explanation of outages, see the unit shutdowns and power reductions log (Appendix D) for the month of November.

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