ML17173A480

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Monthly Operating Rept for Dec 1978
ML17173A480
Person / Time
Site: Dresden Constellation icon.png
Issue date: 01/05/1979
From: Phelan J
COMMONWEALTH EDISON CO.
To:
Shared Package
ML17173A479 List:
References
NUDOCS 7901160252
Download: ML17173A480 (17)
v • d • e


Text

~\\.

AVERAGE DAILY UNIT* POWER LEVEL MOIHH December, 1978 DAY 2

.3 4

5

'6 7

8 9

10 1 1 12 I 3 14 15 16 AVERAGE 0

0 0

0 0

o-0 0

0 0

0 0

0 0

0 0

DA~LY POWER LEVEL DAY (MWe-Net) 17 18 19 20 21 22 23 24 25 26 27 23 29

. 30 31

e.

DOCKET NO. 050-010 UlllT Dre_sden I DATE Jan 5, 1979 COMPLETED *BY J. F *.. Phela.n TELEPHm~E 815/942-2920 x263-AVERAGE DAILY PO\\~ER LEVEL (M\\*Je-Net)

O*

0 0

0 0

0 0

0 0

0 0

0 0

0 0

_.:=:_-:_~.* ~.* *-r *:---***... *-

- ---. -- *."'.'.".. --::::;::~=:=..:.=~

AVERAGE DA I LY UN IT POV/ER LEVEL MO!HH December,.1978 DAY.

AVERACE DAILY PO\\JER LEVEL DAY

_(1-\\\\Je:-Net) 1 729 17 2

720 18 3

747 19 4

754 20 5

747 21 6

745 22 7

740 23 8

726 24 9

73 25 10 338 26 1 I 454 27 12 528 23 1 3 601 29 14 668 30 15 705 31 16' 644 DOCKET-NO.*. 050-237

  • u111T Dresden* II DATE Jan. 5,* 1979 COMPLETED BY. J. F. Phelan TELEPHmlE 815/942-2920 *X263 AVERAGE DA I LY PO\\JER LEVEL (MHe-Net) 742

. 680 607 707 748.

726 701 707 739 706 718 710 *.

701 705 689

'. ~* ~-**.. *,

    • a*

.*.. - *~

AVERA.GE DA I LY UM IT PO\\.JER LEVE.L MONTH

. December;* 1978-D_AY AVERAGE DAI LY PO\\.JER L_EVEL DAY (MWe-Net)

. 1 732 17 2

757 18

. 3 489 19 4

515.

20 5

575 21 6

642

. 22 7

713 23 8

'786 24 9

735 25 10.

149 26 1 1 477 27 12 100 23.*

13 0

29 14 0

30 15 0

31

. 16 0

DOCKET NO,* 050-249

.. UllI T Dre's den I II. *.

. DATE Jan 5, 1979..

  • COMPLETED BY.I F Phel ari. *.*

TELEPHONE B 15 / 942-2920 x263 AVERAGE DAILYPOHER LEVEL (M\\*Je:.. Net) 0 0

0 0

0 0

0

o.

0 0

0 0

0 0

0

__ - =----=..-=---- -.-*-.._-* --":.: ____

.-~~-.:-.. :.:..--0_:;::-- -

_:__*-~. :

  • -'~
1..

2 *.

3.
4.

. s.

6.

].

8.

OPERATING DATA REPORT.

OPERATING STATUS.

Unit Name: *Dresden I Reporting Period:

Decemb~r. 1978 Licensed Thermal Pov1er (MWt):_. __

_.7'"'"0.... 0._* ______ _

Namep 1 ate Rating (Gross HWe) : ____

J,.2,,...0""'0 _____

Design Electrical Rating (Net MWe}:

209 Maximum Dependable Capacity {Gross -M\\-.Je-.-)-:-'--"--2-0~5----

Maximum Dependable Capacity {Ne~ MWe):

197 DOCKET NO.

050-010

. DATE Jan 5, 1979 COMPLETED. BY J.F. Phelan TELEPHONE 815/942-2920 X263 IWTES If Cha~gei Occur in Cap~city Ratings (Items 3 Through 7) Since Last Report, Give Reasons:.

NA 9.* Power Level to Which Restricted, If Any (Net M\\.Je):

NA

~----------------

10.

Reasons For Restrictions; If Any: __

__.,JO... __

1.1.

1~.

13.
14.
15.
16.
17.
18.
19.
20.

21 *.

22.
23.
24.
25.

.~......

Hours in-Reporting Period Number of Hours Reactor \\.las Cr it i ca 1 Reactor* Reserve Shutdown Hours Hours Generator O~-Li~e Unit Reserve Shutdown Hours Gross Thermal Energy Gen~rated (MW~)

Gross Electrical Energy Generated (MWH)

Net El ectr i ca 1 Energy* Generated (t1WH)

Unit Service Factor Unit Availability Fa~tor Unit Capacity Factor (Using MDC Net)'

Unit Capacity Factor (Using UER Net)

This Month 744 0

0 0

0 0

,23 0

0 0

0 0

0 Yr-to-Date 8760 6444.57 0

6360.75 o.

2,734,445.952 813475.03 758305.5 72.6 72.6 43.9 41.4 12.7 Cu mu lat i ye.

  • 164040 113153.75 111, 196 J 5 56,014,747.15 16,799,252.99 15.822.873,92 67.8

. 67.8 48.96 46.1 11.2 Unit Forced Outage Rate Shutdowns Scheduled Over Next 6 Months (Type, Date, and Duration of Each):

NA If Sh D

A E d Of R.

P.. d E

d D

. f S..

800310 ut own t

n eport erio,

st 1mate. ate o tartup:_* _________ _

... **.-:*---~

. OPERATING DATA REPORT DOCKET. r~*o. 050-'237

~

DATE Jan 6,* 1979.

COMPLETED BY J.F. Phelan*

TELEPHONE 815/942-2920 x263 OPERATIUG STATUS IWTES 1.

Un i t Name:. Dresden II

"'------....,.-::~-~-..,::-:::-:::-:------'-------

2.

Reporting Period:

  • December 1978
3.

.Licensed Thermal _P_o_w_e_r-(H_W_t_)_:_. ---25~2=7=------~

4~

Nameplate Rating (Gross ~We):

828

  • 5.
  • Design Electrical Rating (Net MWe):.

794.

6 *. Maximum Depend ab 1 e Capacity {Gross M\\.Je):

812.

].

Maximum Dependable Capacity (fJ~t M\\./e):

772

8.

If Changes. Occur, in Capacity Ratings (Items 3 Through 7) Since Last Report, Giv'e Reasons:

NA

9.

Power Level to \\.Jhich Restricted, If Any (Net MWe):_-_N_0_~-~-*-------------

10.

Reasons For Restrictions, If Any:

~-----'~--'------'---------'---------

This Hon th Yr-to-Date 744 8760 7 44

-=-34""""3,.,..4-=.1-=7--

11.
  • Hours. in Report i n*g Per.i od.
12. *Number of Hours Reactor Was Critical o

_ __,~o~~--

723. 92 8248.32

13.

Reactor Reserve.Shutdown Hours

14.

Hours Generator On-Line o

--,-~o~~--

1, 590. 357 18;663,438

15.

Unit Reserve Shutdown Hours

16.

Gross Thermal Energy Generated (MWH)

17.

Gross Electrical* Energy Generated (HWH) 516,462 6;013.057 Cumulati.ve.

  • 75696 57445.17 0

54116.95 0

105!1+72 ! 640.

33.794.724

18.

Net Electrical Energy Generated (l1WH) 19 *. Unit Service Factor 491. 283

. 5. 704. 449. 02z

. 31, q43. 481* 573 20... Unit Availability Factor

21.

Unit Capacity Factor (Using MDC Net).

22, Unit Capacity Factor (U~ing DER Net)

23.

Unit Forced Outage Rate.

97.3 94.1 97.3 94.1 85.5 84.3 83.2 82.0 2.Z 5.8 *

24.

Shutdowns.Scheduled Over Next 6 Refueling 790310 Months (Type, Date, and Duration of Each):

57 days NA 71.5.

7l 5 54 7 53.1 14 6

25.

If Shut Down At End Of Report Period, Estimated Date*of Startup: -,--------

.=

-. -:.*. -*---=--

  • . OPERATiNG.DAJA REPORT OPERATIUG STATUS 1.

Uni t Name: Dresden III DOCKET NO. -050-249.

DATE Jan 6, 1979.

coMPLETED i3Y J-: F. Phelan TELEPHOt~E 815/942-2920 x263 *

!~OTES

2.

Report i ng _P_e_r_i o_d__,.: ---:De=---c-ember---....----,,..1=9=7g---------

3.

Licensed Thermal Po\\'1er (MWt):.

2527

4.

Nameplate Rating (Gross M\\Je) :------.....,8=2"""'8....-------

. 5.-

Design Electrical Rating (Net M\\.Je):

794

6.

Maximum Dependable Capacity. (Gross M\\.le):

812

7.

Maximum Dependable Capadty (UetMWe):

773*

8.

If C~angei Occur *in Capacity Ratings (Items 3 Through 7) SiMce Last Report, Give Reasons:

NA

9.

Power Level to Which Restricted, If Any (Net MWe):.

'-~-----'-------

NONE

10.
  • Reasons For Restrictions, If Any:

NA

--=-='----~---------------'-----~

11.
12.
13.
14.

. 15.

16.
17.
18.
19.
20.
21.
22.
23.
24.

Hours in Reporting Period.

  • Number of Hours Reactor Was Critical Reactor Reserve Shutdown Hours Hours Generator On-Line Unit Reserve Shutdown* Hours
  • Gross Thermal Energy Generated (MWH)

Gross Electrical Energy Generated (MWH)

Net Electrical Energy Generated (f1Wli)

Unit Service Factor Unit Availability F.actor Unit Capacity F~ctor (Using MDC Net)

Unit Capacity Factor (Using DER Net).

Unit Forced Outage Rate Shutdowns Scheduled Over Next 6 Months This Month Yr-to-Date CumulatiYe.

744 8760 65281 258.4 6516.25 49708.72 0

o*

0 252.92 6282.9 47390.73 511,342 12,620,526 90,758,768 1§9:@~K

~:Hj1:6gl.913 2a:2'.B:4?9.A13.*

33.99 71.7 72.6 33.99 71.7 72.6 27.4 56.6 55.9 26.7 55.1 54.4 65.99 14.l 14.2 (Type, Date, and Duration of Each)~

  • 25.

If Shut Down At End Of Report Period, Estimated Date of Startup: ___

7_9_0_2l_o_* __

~

--~

.*_:*"-*~

  • ~!~*-,.:::*.'-*" --~~---

No~

8 F:

s:

Date 781031 I

Forced Scheduled

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UN IT SliUTDO~/NS ANO PO\\./ER REDUCTIONS REPORT MONTH December' 1978 c:

Licensee

&:r

<at\\

qi qi c:

qi

.... -0 0 -c Event VI 0

a. 0.

Report II

>-.u EU Ill 0

u DOCKET NO.. oso.:..010

  • UN IT MAME Dresden I DATE Jan 6, 1979 COMP.LETED BY.J.F. Phelan..

TELEPHONE 815/942-2920 x263.

Cause & Corrective Action to Prevent Recurrence I

I I I 744 c

3 Refuel & Decon Outage I

Reason:

A-Equipment Failure (Explain)

B-Maintenance of Test C-Refueling D::Regu 1 atory Restriction

£~operator Training & License Examination F-Administrative G70perational F.rror H-Other (Explain) 3 Method:

I-Manual 2-t1anua 1. Scram 3-Automatic Scram I

I I

I I

\\

4-other (E~~lain) 4 Exhibit.G-lnstructions fb1 Preparation of Data Entry Sheets for Li~ens~~

  • Event Report (LER)Fi le(NU 1

. 0161) 5

  • Exhibit I - Same Source

-11>

0.

No.

Date I-.

12 781209 F

I 2

F:

Forced S: *Scheduled UN IT SllUTDm/NS Atrn POl~ER REDUCTIONS REPORT MONTH December,.1978 I""\\

I-4-.

0 c:........

N 0

Ol.µ 0

Vl c

c u Licensee I-0 "O *-

co

.µ Vl 0

.µ 11>

ro 0

co

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.µ a::

Event*

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~

.µ Report ex::

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0

0.

20.08 B

1 I

Reason:

A-Equipment Failure (ExplainY B-Haintenance of Test C-Refue 1 i ng D-Regulatory Restriction E.:r 11>

11>

.µ "O Vl 0

)o..U VI E-Operator Training ~License Examination F-Administrattve

.µ c:

()).A c

11>

0 "O

0. 0 EU 0 u Recirc M:;

G70perationa1 Error H-Other {Explain) 3 Method:

1-tfan ua 1 2-t1anua 1 Scram.

3-Automatic Scram OUCKEI Nu. U)UrZJ/

UNIT NAME Dresden II

  • DATE Jan 6, 1979

.. COMPLETED BY J.F. Phelan TELEPHONE 815/942-2920. x26.3

  • 1 I

. I I.

Cause &

I Corrective i

Act ion to Prevent Recurrence I

Set I.

I I

Brush Replacement

.I I

I

\\

I I

I

\\

4-other (Explai~)

4 Exhibit G-lnstructions. f6r' P~eparation of Data Entry Sheets for Licensee Event Report (LER)Fi le(NURE' 0161)

5. Exhibit

.:. 'same Source

1*

I.

No.

9 10 1

Date 781209 781212 Forced Scheduled

-Q).

0.

I-F F

2

. DOCKET NO.

U)U-L4~

  • UNIT SHUTDOWNS AND P0\\4ER REDUCTIONS UN IT NAME Dresden *nr
  • . DATE Jan 6, 1979 COMPLETED BY J.F. Phelan.

REPORT MONTH December, 1978

  • TELEPHONE 815/942-2920 x263 cY"I L.

0 c..-..

N 0

Ol....

0 VI c

.c u L_i censee L.

0

-0 *-

Ill 0

VI Q)

Event I'll 0 I'll

.I::..... 0::

L.. :c Q)

Report a::

. Q).:c c Cl

c I/) 3 0

Cl 15.45 A

3 475.6 A

3 Reason:

A-Equipment ~allure (E~plain)

B-Maintenance of Test H

~

Q)

Q)

.... -0 VI 0

>-U I/)

C-Refueling

.3 D-Regulatory Restriction E-Operator Training & License Examination F-Administrative c

QI.I)

Cause & Corrective c

Q) 0 -0 Action to

0. 0 EU Prevent Recurrence 0

Instn.mentation Generator Load Reject Caused.By A F!re in the Main UnitTi:'ansfonrer G-Operational Error H-Other (Explain)

Method:

I-Manual 2-Manua I Scram.

3-Automatic Scram 4

4-oth~r (~xplain)

Exhibit G-lnstructions for Preparation of Oat~

Entry Sheets. for Licensee.~

Even{ Re~ort (LfR)Fiie(~UREG:

0161) 5 Exhibit 1 - Same Source

DRESDEN* UNIT SAFETY RELATED MAINTENANCE December, 1978 MALFUNCTION*

NATURE OF LER OR OUTAGE EQUIPMENT MAlllTENANCE NUMBER CAUSE RESULT CORRECTIVe~ACTION.

  • Channel 2 & 5 Preventive. WR 9093 Outage #1-8 NA NA Requir~d chan~el 2&5 h igl-High Voltage voltage power _suppJy.**

Power Supply Fuel Grapple Preventive WR#9308 Outage #1-8 NA NA Adjusted geared *-e I imi t

  • switch
  • Safety_ Relief Preventive WR#9105 Outage #1-8 NA NA Polished seat & disc.*

Valve Turning Vane.

Preventive WR#9549 Outage #1 "'-8 NA NA lnstailed turning vane 11c11 Secondary Corrective WR9343 Outage #1-3 Tube hole Leakage

.Plugged tube leaks Steam Generator North Rx Canal Corrective WR#9072 Outage #1-8*

detector Bad Instrument.

.Replaced detector Ri_ggs Rad Failure Monitor e

I

DRESDEN UNIT 2 SAFETY RELATED MAINTENANCE December, 1978

  • OUTAGE MALFUNCTtON NATURE OF

. LER OR EQUIPMENT HAI NTENANCE

.IWMBER

  • '.\\

CAUSE RESULT CORRECT! Vi:->: ACT I ON..

HPCI "Wes t 11 Preventive WR#9337 NA NA C lea.ned Filter 0i1 Filter Main Steam Lin Preventive WR#9234 NA NA Adj Listed Valves 9*.

Isolation Valv* s

,s 250V DC Batter1 Preventive WR#9675 NA NA Rep la.ced bad alarm card Charger I

Fuel Grapp 1 e.*.

Preventive WR#8582 NA NA Tested grapple-operated properly Core* Spray Corrective WR#7097 Outage 2-12 Loose pa.cki ng Leakage

.Tightened packing**

Isolation Valve HPCI 1.1East 11 Oi 1 Preventive WR#9338 NA NA Cleaned Oi 1 Fi 1 ter Fi 1 ter HPCI Steam Line Cbrrect ive WR#9654 Bad di ap.hragm &

Valve.would not

  • Rep lac.ed air operator Drain Pot Drain solenoid va 1 v.e open diaphragm e

By Pass Valve

,... EQUIPMENT NATURE.OF MAINTENANCE SRM 21 Preventive WR#9172 CRD Accumulator Corrective WR#9162

. 50-39 Drive

water 1.solatio*n Valve Accumulator Preventive WR#9116 50-39 Diesel Gener~to Pre~entive WR#8473 Control Rod

Drive 50-39 *:

(N-10)

Corrective WR#9135 CRD N-8 Scram

~ Fi 11 Solenoid JC Main Steam Isolation Valve AC-Pi lot Valve

~reve~tive WR#9599

~

  • J DRESDEN.UN i T 3 SAFETY RELATED MANTENANCE December, 1978 LER OR OUTAGE NUMBER.

MAL FUN CT I 01~

CAUSE NA.

Bad valve NA NA Bad filters, O'Ri~gs, pistions

& springs NA Valve stroke out f adjustment*

NA

.NA RESULT CQR~~C~l~E J~TION NA Replaced brok~n connettor Valve 103 failed Weld in new vatve.

in closed positi.o e*

  • NA.

Changed out ~ctumulato~

  • NA Replaced amineter CRD would not wit.Replacedf.il.ters, 0-Rings draw pis~ons & springs NA Adjusted packing Leakage Adjusted stroke on yee NA Replaced as co valve NA Grounded co i 1 I

NATUR( OF EQUIPMENT MAINTENANCE Drywel 1. Equip Preventi~e WR#9674 Hatch Accumulator

. 34-31 Preventive WR#9620 Rx Low Pressure Corrective WR#4390

'LPCI Start *

  • Pressure Switch
  • DRESDEN,UN.IT 3 SAFETY RELATED MANTENANCE December, 1978 LER OR OUTAGE MAL FUN CTI 01{

NUMBER CAUSE RESULT Outage 3-10 NA NA Outage 3-10 NA NA Outage 3-10 Switch would not

  • lock CORRECT I VE ;<TI Otl Opened eq~ipment hate~

Rep 1 aced accumu 1 a tor9'.

Replaced locking screw*.

threads with ihsert.

EQUIPMENT Spare C.R.D.

Accumulator SN# A-3134 Spare C.R.D.

. Accumu 1 a tor**

SN# 54-43 Spare c. R. D..

  • SN 2608.

NATURE OF*

MAINTENANCE P~eventive WR#9139 Preventiv~ WR#8459 Preventive WR#971}

DRESDEN UNIT 2/3 SAFETY R~l.ATED. MA I NTENANCE December, 1978 MALFUNCTiON LER OR OUTAGE UUHBER CAUSE RESULT NA NA NA NA..

.NA NA

.t:

CO.RRECTI vr:: ACT.ION.

Rebu i 1 t. accumul a for :

9:

Rebuilt a.ccumulator Disc~rded accumul~tor I

SUMMARY

OF OPERATING.*EXPERIENCE

.UNIT ONE*.

DECEMBER;* l978 1-31 *Unit one was shutdown the entire reporting.period for refueling* and chemical cleaning.

Significan~ O\\.ltage activities.included core unloading and continuing

  • preparation *for the chemi_cal cleaning.
  • \\.,... *

....: ~*...

~ :.

~*...

.*e

SUMMARY

' OF *OPERATING EXPERIENCE

..UNIT.TWO

.. DECEMBER;'. 1978..

1-8 * "the Unit erttered the reporting 'period at an.average power

... level of. 780 MWe.

1-8 *.. The Unit was taken off line to* replace brushes* *on.the recirculation motor-generator sets.

. 1-10' The Un.it was brought back on lin.e and load was increased at the preconditioning rate; 1-18 A'trip*of "A" reactor recirculation pumpM-G set due to*

.a lube oil primp trip caused load to be reduce to 280

  • MWe ~
  • The pump and M-G set* were reset and the uni.t operated.

at 750 MWe for.the remainder of the*reporting period..

  • ~..

r.o~*.~* ti-:..;~.

SUMMARY

.OF.Q~ERATING EXPERIENCE.*.

uNIT THREE

.. DEgEMBER, 'i978 *..

'\\.

"c**

.'.'.i 12-1...:_9, '.fhe unit' began. the reporting. period at.a power level.

of '780 MWe.

12-9'

, "The unit ~cramme~~fo. a Main 'Steani Line High Radiation

. Group I Isolation.

<12-10:.The unit was rettlrnedtoservice; 12-:-12. A fire.:in the. unit main transformer.resulted in a tinit sc.ram and loss of the unit* for the reamainder

. of the month.

Transformer replaGement is currently in progr:ess.

...

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