ML20041B347

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Monthly Operating Repts for Nov 1981
ML20041B347
Person / Time
Site: Dresden  Constellation icon.png
Issue date: 12/07/1981
From: Maxwell D
COMMONWEALTH EDISON CO.
To:
Shared Package
ML20041B315 List:
References
NUDOCS 8202230550
Download: ML20041B347 (17)
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Text

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OPERATING DATA REPORT DOCKET NO. 050-010

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DATE December 7.1981 COMPLETED BY D. C. Maxwell TELEPHONE (815) 942-2920 I-550 OPERATING STATUS NOTES 1.

Odit Name: Dresden I 2.

Reporting Period: November, 1981 3

Licensed Thermal Power (MWt):

700 4.

Nameplate Rating (Gross MWe): 209 5.

Design Electrical Rating (Net MWe): 200 6.

Maximum Dependable Capacity (Gross MWe): 205 7

Maximum Dependable Capacity (Net MWe): 197 8.

If Changes occur in Capacity Ratings (items 3 Through 7) Since Last Report, Give Reasons:

N/A 9

Power Level to Which Restricted, if Any (Net MWe): N/A 10.

Reasons For Restrictions, if Any: N/A This Month Yr-to-0 ate Cumuiative.

II.

Hours in Reporting Period 12.

Number of Hours Reactor Was Critical 13 Reactor Reserve Shutdown Hours t

14.

Hours Generator On-Line l

15 Unic Reserve Shutdown Hours 16.

Gross Thermal Energy Generated (MWH)

- V -

- 3 3

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17 Gross Electrical Energy Generated (MVH) 1/\\

J.1) 18.

Net Electrical Energy Generated. (MWH)

MOJ<hy7' -- " C A -- O N, 19 Unit Service Factor 20.

Unit Availability Factor n

g

"

l 21.

Unit Capacity Factor (Using MDC Net)

VU[

g j,,

i 22.

Unit Capacity Factor (Using DER Net) 23 Unit Forced Outage Rate 24.

Shutdowns Scheduled Over Next 6 Months (Type, Date, and Duration of Each):

l N/A.

.. - ~ ~

I 25 If Shut Down At End Of Report Period, Estimated Date of Startup: Extended Modification j l

Outage - Shutdown Until June, 1986 1

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8202230550 820210 f

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OPERATING DATA REPORT DOCKET NO. 050-237 OATE December 7,1981 COMPLETED BY K. Zirvas TELEPHONE (815) 942-2920 OPERATING STATUS NOTES 1.

Unit Name: Dresden II 2.

Reporting Period: November, 1981 3

Licensed Thermal Power (MWt): 2,527 4.

Nameplate Rating (Gross MWe):

828 5

Design Electrical Rating (Net MWe): 794 6.

Maximum Dependable capacity (Gross MWe): 812 7

Maximum Dependable Capacity (Net MWe):

772 8.

If Changes occur-In Capacity Ratings (Items 3 Through 7) Since Last Report, Give Reasons:

N/A 9

Power Level to Which Restricted, If Any (Net MWe): N/A 10.

Reasons For Restrictions, if Any: N/A

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This Month Yr-to-Date Cumulative.

11.

Hours in Reporting Period 720 8,016 101,256 12.

Number of Hours Reactor Was critical 640.5 4.797.3 77.934.5 13 Reactor Reserve Shutdown Hours 0

0 0

14. Hours Generator On-Line 621.3 4.645.9 76.105.9 15 Unit Reserve Shutdown Hours 0

0 0

' ~ ' ' 16. Gross Thermal Energy Generated (MWH) 1,445,297 9,887,783 147,185,839

~~~ 17 Gross Electrical Energy Generated (MWH) 473.468 3,160,114 47,032,977-18.

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Net Electrical Energy Generated. (MWH) 449.085 2.980.569 44.449.568 Unit SeFv~li:e Fictor 86 3 58.0 73.2

~

~ ' 20. ]Usi t Avillibl1 IEy Factor 86.3 58.0 73.2 T1.

Unit Capacity Factor (Using MDC Net) 80.8 48.2 56.9

~

22.

Unit Capacity Factor (Using DER Net) 78.6 46.8 55.3

23. ~ Unit Forse' ~0utage Rate 13.7 6.2 12.2 d

24.~ ~Sh'utdown's Scheduled Over Next 6 Months (Type, Date, and Duration of Each):

N/A 25, if Shut Down At End Of Report Period, Estimated Date of Startup:

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s OPERATlHG DATA REPORT' DOCKET NO. 050-249 m

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DATE December 7, 1981 COMPLETED BY K. Zirwas TELEPHONE (815) 942-2920 OPERATING STATUS NOTES 1.

Unit Name:

Dresden III 2.

Reporting Period: Novebar, 1981 3

l.icensed Thermal Power (MWt):

2.527 4.

Nameplate Rating (Gross MWe):

828 5

Design Electrical Rating (Net MWe): 794 6.

Maximum Dependable Capacity (Gross MWe): 812 7.

Maximum Dependable Capacity (Net MWe): 773 8.

If Changes Occur in Capacity Ratings (items 3 Through 7) Since Last ReporWGive

~

Reasons:

N/A 9

Power Level to Which Restricted, If Any (Net MWe): N/A 10.

Reasons For Restrictions, if Any: N/A f

This Month Yr-to-Data Cumulative.

11.

Hours in Reporting Period 720 8,016 90,841 12.

Number of Hours Reactor Was Critical 633.3-7.773.1 69.954.9

~~ 13 Reactor Reserve Shutdown Hours 0

0 0

' 14. Hours Generator On-Line 617.5 7.576.7 67.209.7 15 Unit Reserve Shutdown Hours 0

0 0

16. Gross Thermal Energy Generated (MWH) 933.532 16.154,987 132.640,457
17. Gross Electrical Energy Generated (MWH) 285.436 5.171.400 43;171,968

'18.

Net Electrical Energy Generated. (MWH) '

265.872.

4.903.431 40.926.331

~ 19.~

Unit Service Factor 85.8 94.5 73.98

~

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10.

Unit Availability Factor 85.8 94.5 73.98

~ ~ E ~~Uhit Capacity Factor (Using MOC Net) 47.8 79.0 58.3 2

22.

Unit Capacity Factor (Using DER Net) 46.5 77.0 56.7

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Unit FoFced 0utage Rate 14.3 4.8 14.2

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24.~ ~ Shutdowns' Scheduled Over Next 6 Months (Type, Date, and Duration of Each):

_ _ _ _ Normal refueling outage starting approximately January 2, 1982, for 4 months.

25 lf Shut _ _Down At End Of Report Period, Estimated Date of Startup: 12-03-81 s

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AVERAGE DAILY UNIT POWER LEVEL I

f-DOCKET-NO. 050-010 UNIT Dresden I DATE December 7, 1981 COMPLETED BY K. Zirwas TELEPHONE (815) 942-2920 MONTH NOVEMBER, 1981 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net)

(MWe-Net) 1 0

17 0

2 0

18 0

3 0

19 0

~

4 0

20 0

5..

0 21 0

6 n

22 0

7 a

23 0

8 0

24 0

9 0

25 0

10 0

26 0

11 0

27 0

~

12 0

28 0

13 0

29 0

14 0

30 0

15 0

3; 16 0

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l AVERAGE DAILY UNIT POWER LEVEL O

DOCKET NO. 050-237

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UtilT Dresden II DATE December 7, 1981 COMPLETED BY K. Zirwas TELEPHONE'(815) 942-2920 MONTH NOVEMBER. 1981 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net)

(MWe-Net) 1 668 17 824 2

780 18 822 3

415 19 823 4

0 20 826 5

0 21 800 6

0 22 830 7

29 23 830 8

sos 24 778 9

594 25 761 i

10 667 26 821 I1 737 27 814 12 816 28 817

_ 3. __

820 29 789 I

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14 817

~ 30 818 l

_....... _.. 15 789 31 16 824

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AVERAGE DAILY UNIT POWER LEVEL DOCKET NO 050-249 UNIT Dresden III DATE December 7, 1981 COMPLETED BY K. Zirvas TELEPHONE (815) 942-2920 MONTH NOVEMBER, 1981 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAll POWER LEVEL l

(NWe-Net)

(NWe-Net) 1 489 17 466 2

483 18 465 3

479 19 462 4

475 20 465 5

473

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21 466 6

477 22 463 479 7..-

23 462 g

480 24 459 9

480 25 457 10.

476 26 458 11 139 27 327 12 265 28 0

13 412 29 0

14 418 30 0

. _ _. 5 474 1

31 16 467 l

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DOCEET NO. 050-010 m

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UNIT NAME Dresden.

UNIT SHUTDOWN 8 AND POWER REDUCTIONS DATE December 7,1981 COLPLETED BY K, Zirwas-1 TELEP110NE (815) 942-2920 REPORT HONTH NOVEMBER, 1981 NETHOD OF LICENSEE CAUSE & CORRECTIVE NO.

DATE TYPEI DURATION REA80H2 SHUTTING EVENT SYSTEN COMPONENT ACTION 70 (NOURS)

DOWN REACTOR 3 REPORT d.

CODR4 CODE 5' PREVENT RECURRENCE 8

781031 5

720 C

3 Refueling, turbine overhaul, and 8

chemic.11 cleaning outage.

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2 3

4 F

Forced Reason Methodt Exhibit C-Instructions for S: Scheduled A-Equipment Failure (Explain) i-Manual Prtparation of Data B-Haintenance of Test 2-Manual Scram Entry Sheets for Licensee C-Refueling 3-Autoestic Scram Ever.t Report (

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

(NOREC-0161)

E-Operator Training & License Examination

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F-Administrative G-Operational Error ll-Other (Explain) f

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DOCKET NO. 050-237 'N

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UNIT NAME Dresden t1 UNIT SHUTDOWHS AND POWER REDUCTIONS DATE December 7.1981 C0tiPLETED BY K. Zirvas TEI2Pil0NE (815) 942-2920 REPORT HONTH NOVEMBER, 1981 HETHOD OF LICENSEE CAUSE & CORRECTIVE NO.

DATE TYPE 1 DURATION REASON 2 SHUTTING EVENT SYSTEM (XM(PONENT ACTION TO (HOURS)

DOWN REACTOR 3 REPORT f CODE 4 CODES pagVENT RECURRENCE I

8 11-03-81 F

98:44 A

1 Replaced recirc. pump seal.

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1 1

2 3

4 F: Forced Reason:

Hethod:

Exhibit C-Instructions for S: Scheduled A-Equipment Failure (Explain) 1-Manual Preparation of Data B-Haintenance of Test 2-Manual Scram Entry Sheets for Licensee C-Refueling 3-Automatic Scram Event Report (

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

(NilREC-0161)

E-Operator Training & License Examination F-Administrative C-Operational Error l

H-Other (Explain)

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In00KET NO. 050-249 ~',

l UNIT HAME Dresden _fI UNIT SHUTDOWNS AND POWER REDUCTIONS DATE December 7, 1981 e

j COI:PLETED BY K. Zirwas TELEPil0NE (815) 942-2920 REPORT HONTil NOVEMBER, 1981 l

HETHOD OF LICENSEE CAUSE & CORRECTIVE NO.

DATE TYPEI DURATION REASON 2 SHUTTING EVENT SYSTEN COMPONENT ACTION TO I

(HOURS)

DOWN REACTOR 3 REPORT #.

CODE 4 CODES PREVENT RECURRENCE 3

11 11-11-81 F

25738 A

2 SDV alarm signal cleared.

12 11-27-81 F

77:03 A

1 81-38/03L-0 Repairad HPCI 2301-4 valve, s

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3 F: Forced Reason:

Hethod Exhibit C-Instructions for S: Scheduled A-Equipment Failure (Explain) 1-Honual Preparation of Data B-Haintenance of Test 2-Hanual Scram Entry Sheets for Licensee C-Refueling 3-Automatic Scram Event Report (

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

(NUREC-0161)

E-Operator Training & License Examination F-Administrative

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C-Operational Error ll-Other (Explain) i

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DRESDEN UNIT 2

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SAFETY RELATED NAINTENANCE - NOVEMBER,1981 l

NATURE OF LER OR OUTAGE HALFUNCTION-EQUIPMENT.

HAlHTENANCE NUMBER CAUSE RESULT CORRECTIVE? ACTION i.

Adjusted 'he feedback 8

' 1501-3A Valve &

Preventive WR #16322 N/A N/A t

,' controller pot wire to correct the problem.

IRM #12-Preventive WR,f15679 N/A N/A Resoldered center pin on preamp input connector

& adjusted range #6 to range #7 overlap checked l

via DIS 700-4.

IRM fl8 Preventive WR #15155 N/A N/A Replaced cable connector i

at preampi took above

.res. readings. Pin to l

shield:.<4.8 x 108 6 50V l

8 x 108'O 100V ' Pin to ground: 5.7 x 108 0 50V 9.5 x 108 0 100V. Shield to groun4: 3 x 107 0 l

100V.

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Terminal F22-2 Preventive WR #16478 N/A N/A Tightened screw on T.B.

SS Fuse 22-2.

i Pips Hanger Preventive WR #16373 N/A N/A Torqued bpits to 35 lbs.

2-1527-6 CRD Accumulator Preventive WR #16509 N/A N/A Changed out accumulator

  1. 58-31 58-31 for new.

Mechanical Preventive WR #16509 N/A N/A Manual stroke tested Snubbers for results.

Rx Bldg. Fuel Prdventive WR #16419 N/A N/A Rezeroed monitpr; checked Pool Rad Monitor for proper operation via Channel D1S 1700-7.

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n DRESDEN UNIT 2 SAFETY RELATED NAINTENANCE - NOVEMEER, 1981 i

NATURE OF LER OR OUTAGE HALFUNCT10N-EQUIPHENT.

HAlllTENANCE NUMBER CAUSE RESULT CORRECTIVE' FACTION r.

; i-8, l.

Preventive WR #15960

,H/A N/A EMD performed inspection.

l,l#2 Dies'elCen.

Hech. Maint, completed j ;

inspection.

. D2 1 n. Cond.

Preventive WR'f16523 N/A N/

Filled both 1 5 2 i

- ! Snubbera Crinnell snubbers with i' '

Q.E. S.F. 1154 oil.

1510-5 C.CSW Preventive WR #16620 N/A N/A Tightened as requested.

J Hinger i

CCSW Hanger Preventive WR #16285 N/A N/A Repaired hanger 2-1510-

,17 per Haint. modifica-tion procedure.

N/A N/A Removed bad grout &

, CCSW System Preventive WR #16265 filled with hydraulic

cement, l 1510-7 CCSW-

' Preventive WR #16618 N/A N/A Adjusted as requested.

j Hanger i

l 1510-7 CCSW Preventive WR #16619' N/A N/A Adjusted as requ'ested.

Hznger e

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i DRESDEN-UNIT 3 SAFE 1Y RELATED MAlHTENANCE - NOVEMBER, 1981 i

NATURE OF LER OR OUTAGE HALFUNCTION-EQUIPHENT.

MAlllTENANCE NUMBER CAUSE RESULT CORRECTIVE? ACTION j

fLPRM24-49D Preventive WR #16054

.N/A N/A Performed DIS 700-22 & 26.

8 3

i I APRM #5 Preventive WR #16055 N/A N/A Checked K7 relay &

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checked okay. Also per-formed DIS 700-22 &

l DIS 700-26; appeared to l-have burned off a wisker on LPRM 08-17C.

SBLC Tank Preventive WR #16070 N/A N/A Checked out system &

Bubbler.

blew down bubbler; found bubbler transmitter ok.

Did find 903-5 indicator

'2.9% high & rezeroed.

All indicators in i

agreement.

Yarway Lo Level Preventive WR #16402

.N/A N/A Tightened down on equal-izer valve packing nut as requested.

Low Oil Torus Preventive WR #16526 N/A N/A Added oil to 3 anubbers j Ring Header

  1. 8-9-12 C.E. S.F. 1154 Snubbers oil.

4 U3 Diesel Cen.

Preventive WR #14914 N/A N/A Tightened exhaust flange

& found one a little loose.

SRM 23 Preventive WR #16479 N/A N/A Repair integrator, com-pleted DIS 700-3.

LPCI Line Preventive WR f16341 N/A N/A Replaced missing bolt 1" x 6".

A0-1601-20B Torus Preventive WR #16647

  • N/A N/A:

Replaced solenoid gtore Rx Bldg. Vac Bkr Viv.

  1. 580D57.

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DRESDEN-UNIT 3 SAFETY RELATED HAINTENANCE.- NOVEMBER,1981 i

NATURE OF LER OR OUTAGE HALFUNCTl0N-CAUSE RESULT CORRECTIVE? ACTION l

EQUIPHENT.

HAlllTENANCE NUH8ER

! D3 DC Cooling Preventive WR #16626 N/A a'

N/A Cleaned E adjusted. C I H2O Pp.

phase would not trip on first attempt at 225 amps.

j 3

U3 Refuel Plat-Preventive WR #16421 N/A N/A Lubricated track switch..I form Plug N/A N/A AA109 wire relugged.

DW H2 Supply Preventive WR #16753 125V Supply to Lug confirmed tight; all

] Velve 4722 temporary jumpers re-moved. No loss of any

'i operating eq~uipment during repair.

J'

D3 DG Cooling Preventive WR #16624 N/A N/A Inspected bearing &

1 H2O Pp.

took. reading.

Diecel Cenerator Preventive WR #16631 N/A.

N/A Found hahger as indi-catsd. Put back to-l

C.ooling Outlet s

gether'& tightened l

lLine lines.

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DRESDEN UNIT 2/3 SAFETY RELATED HAINTENANCE - NOVEMBER,1981 NATURE OF LER OR CUTAGE HALFUNCTION-EQUIPHENT.

HAlllTENANCE NUMBER CAUSE RESULT CORRECTIVE?ACT Hua

'N/A -

I N/A Insta11ed'2 heat ex-

! 2/3 Diesel Cen.

Preventive WR #15211 Coolant Head changers, 6 zink rods

.i Tenk 256.472.

Racctor Head Preventive WR #14958 N/A N/A Removed paint'from upper Lifting Rig section of lifting rig using neddle gun & re-l painted gray per Q.C.

Quid Cities Rx Preventive WR #15263 N/A N/A Tore down safety valve i

& rebult. Tested at lSafatyValve BK 7158 1240# + 1%.

t Qutd* Cities Rx Preventive WR #15262 N/A N/A,

' Set'& tested valve per-Safety Valve.

' package.

S/N BK 7163 f

2/3-4699-188 Preventive WR #14347 N/A N/A Replaced; valve 575315.

1 l Qutd Cities Rx

' Preventive WR #15264 N/A N/A Had to rebuild & retest Safety Valvd safety valve. Set pres-

} BK 7167 sure per specification.

t Spare Versa Preventive WR #15861 N/A N/A Rebuilt yalves with re-Valves pair kit #502-C22.

2/3 Rx Bldg.

Preventive WR #14919 N/A N/A Installed plat per pro-Crane cedure & M.T. yelds on crane.

2/3 Diesel Cen.

Preventive WR #164;i4 N/A N/A Performed inspection per l

DMP 6600-2 & DHP 6600-6, 2/3 DC Cooling Preve'tive WR #16625 N/A N/A Set overloads to auto.

n Checked all wiring H2O Pumps connections.

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SUMMARY

OF OPERATING EXPERIENCE UNIT ONE NOVEMBER, 1981 s

11-1 to 11-30 Unit One was shutdown for the entire month, awaiting license approval for the chemical cleaning. Major work scheduled to be completed following chemical clean-ing is as follows: HPCI installation for ECCS upgrading, equipment upgrade to IEEE 279, major inservice inspection, and i

refuel.

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SUMMARY

OF OPERATING EXPERIENCE UNIT TWO NOVEMBER, 1981 11-1 to 11-7 Unit Two entered the month operating at a power level of 596 MWe and operated until November 3, 1981, at 2130 hours0.0247 days <br />0.592 hours <br />0.00352 weeks <br />8.10465e-4 months <br />, when while shutting down for recirc. pump seal repair, a scram occurred due to IRM spike.

The reactor was brought critical on November 7, 1981 at 0502 hours0.00581 days <br />0.139 hours <br />8.300265e-4 weeks <br />1.91011e-4 months <br />.

I 11-7 to 11-30 The Unit was placed back in service on November 7,1981, at 2042 hours0.0236 days <br />0.567 hours <br />0.00338 weeks <br />7.76981e-4 months <br />, and operated centinuously during the remainder of the month, reaching a power lerel of 834 MWe, with a capacity factor of 78.85% and an availability of 86.29%.

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SUMMARY

OF OPERATING EXPERIENCE UNIT THREE NOVEMBER, 1981 11-1 to 11-11 Unit Three entered the month operating at a power level of 492 MWe and operated until November 11, 1981, at 0741 hours0.00858 days <br />0.206 hours <br />0.00123 weeks <br />2.819505e-4 months <br />, when the reactor was manually scrammed due to SDV hi-hi alarm. The reactor was brought critical on November 11, 1981 at 2005 hours0.0232 days <br />0.557 hours <br />0.00332 weeks <br />7.629025e-4 months <br />.

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11-12 to 11-30 The Unit was placed in service on November 12, 1981, at 0919 hours0.0106 days <br />0.255 hours <br />0.00152 weeks <br />3.496795e-4 months <br />, and operated continuously until November 27, 1981, at 2134 hours0.0247 days <br />0.593 hours <br />0.00353 weeks <br />8.11987e-4 months <br />, when while shutting down to repair EPCI inboard steam isolation valve a scram occurred on a pressure spike after the Unit was shutdown. The Unit was shutdown at the end of the month for re-pairs. Unit 3 availability was 85.74%, with a capacity factor of 47.65%.

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