ML17192A624

Monthly Operating Repts for Mar 1980

ML17192A624
Person / Time
Site:	Dresden
Issue date:	04/01/1980
From:	Cieszkiewicz S COMMONWEALTH EDISON CO.
To:
Shared Package
ML17192A623	List: ML17192A622 ML17192A624
References
NUDOCS 8004150387
Download: ML17192A624 (24)

Text

OPERATING DATA REPORT DOCKET NO *...;;.0;;;....50;;,...-.... o..;;;1-.o ____ \\

I I

1,. 1980

1 COMPLETED BY_S_._A_. _C_i_e_s_z_k_i_ew_i.,...* c_:i; DATE April TELEPHONE(815) 942-2920

OPERATING STATUS NOTES

1.

Unit Name: Dresden I

---

"'""'"'---..-=---------------------------------

2 -.

Re po rt in g Period :__....M=a_.r..,c.... h-+*....... 1....

98,...0 _____________________ _

3.

Licensed Thermal Power ~MWt): 700

4.

Namep 1 ate Rating (Gross MWe) :_2... 09....... ________________ _

5.

Design Electrical Rating (Net MWe): 200

6.

Maximum Dependable Capacity (Gross -M\\-~e

........ )-: _2_0_5 ____ __

7.

Maximum Dependable Capacity (Net MWe):

197

8.

• 1f Changes Oc.cur in Capacity Ratings...,(_l_t-em_s_3_T_h_r_o_u_g_h 7) Since Last Report, Give Reasons:

NA

9.

Power Level to \\~hi ch Restricted, If Any (Net MWe):

NA

10.

• Reasons For Restrictions, If. Any:

NA I

I This Month Yr,.. to-Date Curuulati'le.

11.

Hours in Reporting Period 744 22184 174 1984

12.

Number of Hours Reactor Was Critical 0

0 113215;2.Z!i

13.

Reactor Reserve Shutdown Hours 0

0 0

14.

Hours Generator On-Line 0

0 111 1 196.15

15.

Unit Reserve Shutdown Hours 0

o-0

16.

Gross Thermal Energy Generated (MWH) 0 0

5610142747.15

17.

Gross Electrical Energy Generated (M\\~H) 0 0

16 z 7991254.19

18.

Net Electrical Energy Generated (MWH)

-698.9

-2 2 332.0 15 1807 1493.92

19.

Unit Service Factor 0

0 64

20.

Unit Ava i 1abi1 i ty Factor 0

0 64

21.

Unit Capacity Factor (Using MDC Net) 0 0

46

22.

Unit Capacity Factor (Usirig DER N~t) 0 0

45

23.

Unit Forced Outage-Rate 0

0 11.2

24.

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

25.

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

OPERATING DATA REPORT DOC KET NO '....;;0.;:;.5-=-0-..... 2-..3.... 7 ____ _

DATEApril 1. 1980 COMPLETED BYS. A. Cieszkiewicz; TELEPHONE(815) 942-2920 OPERATING STATUS NOTES

1.

Unit Name:__,.n~r~e~s~d~en-...I~I=----'---------------------------

2.

Reporting Period: March 1980

3.

Licensed Thermal

~P~ow~e~r=+-lM_W_t~)~:'--2-.-5-2_7 __._,.. ____________ ~

4.

Nameplate Rating (Gross MWe):

828

---

..-.-...----------------~

5.

Design Electrical Rating (Net MWe): 794

6.

Maximum Dependable Capacity (Gross -M--\\.J.... e.... )_:_8_1_2 ________ __

7.

Maximum Dependable Capacity (Net MWe) =......-1,_1._.2.__ ________ _

8.

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

NA 9,

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

~=-----------------------------~

10.

Reasons For Restrictions, If Any:

NA

---

=---------------------------------------------~

l l.

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 (MWH)

Unit Service Factor Unit Availability Factor Unit Capacity Factor (Using MDC Net)

Unit Capacity Factor (Using DER Net)

Unit Forced Outage Rate Shutdowns Scheduled Over Next 6 Months NA This Month*

744 744 0

744 0

1,779,529 566,955 539,620 100 100 94 91 0

Yr-to-Date 2.184 2,168.68 0

2,159.02 0

5,083,783 1, 630, 485 1.551,569.4 99 99 92 89 1.1 Cumulat i.Y~.

86.640 66.905.12 0

631421.51 0

126,725,615 40,637,104 38.439.680.617 73 73 57 56 13.2 (Type, Date, and Duration of Each *

25. *If Shut Down At End Of Report Period, Estimated Date of Startup: NA

• OPERATING DATA REPORT DOCKET NO. -050-249

-'"--~-----------

DATE April l, 1980 COMPLETED BY S. A. Cieszkiewic2f TELEPHONE (815) 942-2920 OPERATING STATUS NOTES

1.

Unit Name: Dresden III

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

2.

Reporting Period:~M:.=ar~c=h~ *.,.,..,,1=9~8~0------------~

3.

Licensed Thermal Power (MWt) : ___ 2_._5~2~7 ________ __

4.

Nameplate Rating (Gross MWe) : _ _.....8""'2""8 ________ _

5*

Design Electrical Rating (Net M\\.Je) :__.7.._.9..... 4.__ _____ _

6.

Maximum Dependable Capacity (Gross M\\.Je) :___.8.... 1.... 2.__ ___ _

7.

Maxi mum Dependab I e Capacity (Net MWe) : __ _.7_.7_3.__ ___ _

8.

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

NA

9.

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

NA

_;;.=-------------------------

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 (MWH)

Unit Service Factor Unit Availabfl ity Factor Unit Capacity Factor (Using MDC Net)

Unit Capacity Factor (Using DER Net)

. Unit Forced Outage Rate Shutdowns Scheduled O~er Next 6 Months NA This Month 744 0

0 0

0 0

12

-2,430 0

0 0

0 0

Yr-to-Date 2.184 785 0

778.67 0

. l, 327. 726 424,671 39 3' 859. 6 36 36 23 23 3

(Type, Date, and Duration of Each Cumu:l.at i'{e.

76. 225 56.550.32 0

54,103.2 0

103,599.393 33,854,345.25 32,087,150.569 71 71 54 53 16.4

25.

If Shut Down At End Of Report Period, Estimated.Date of Startup: 800421

No.

a*

Date 781031 F:

Forced St

• Schedu1ed 2

UN IT SllUJOO\\.IHS /\\NO POWER REOUCTI 011s*

__.;="-=~~----- ----.. --.

J.*

uuu:l I 1111.

• 050-010

_::...::....:...__.:;....;~~~~~

UU IT Ml\\/ IE Dresden I DATE April 1, 1980 COMPLETED OY S. A. Cieszkiewicz TELEPHOttE (815) 942-2920 Cause & Corrective Action to Prevent Recurrence

. Refuel and chemical cleaning outage *.

\\.

\\*

Reasons A-Equipment Failure (Explnln)

• 8-Htilntenance of Test t-Refuellng 1.

0-~c~uletory R~strl~llbn t~opcfator lr~lnlng & llc~nse Exemlna F*Adml h I st rat Ive

( )

G-Operatlonal F.rror H-Other (Explain) 3 Method:

• 1-Manua I 2-1\\anual Scram l-Au~o~atlc Ser~~

1.

~-other (Explaln)

Exhibit G*lnstructlons. for Preparation of Data Entry Sheets fr* llcens~~

Event Report (

}Fl lc(NUREG*;

() I 6 I )

(~.)_

No.

bate

~..

.. _ /f,'., *. ~

.1*

Fl Forced St*. Scheduled ell a.

I-2 UN IT SllUTOOWl~S /\\ND POWER REDUCT I 011s*

REPORT MONTll MARCH, 19 80 L..

0 i::-

N 0

OltJ 0

Ill c

c u Licensee L..

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µ

J 0.., ell Event 0

ro

.c.., <<.

L.. ::c QI u

J Report

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Reasoni A-Equipment Failure (Expinln)'

8-Halntentince of Test C-Refuellng 1

O-neuulatory Rcstrlttlon H

c:..:r QI Ql

'-'"O 111 0

>-U Vl..

t-Operator Jralnlng & license Examine' F*Admlnlstratlve

( )

c

' QJl"I c

QI 0"0

o. 0 EU 0

u G-Opcratlonal F.rror H-Other (Explaln) 3 Hcthod:

• I -t1anua I 2-,.anual Scram 3-1\\uio~otlc Ser~~

VII I.I: l I II I I

• 0:.::5::..:0:.---=2..::.3..:...7 ---~~

Ull IT M/\\/1£ Dresden II OATE April 1, 1980 COHPLETEO DY S. A. Cieszkiewicz TELEPHONE (815) 942-2920 Cause & Corrective

/\\ct Ion to Prevent Recurrence r

• ',I

~-other (Explain)

~ Exhibit G-lnstructlons.for Preparation of Data Entry Sheets fo~ Licensee Event Report (,

Fl ie(NUREG*!

0161)

- (

,l

~*

No.

2 I.

• • i:> -~*;

bate 800203'

. ~:

Fi Forced St

• Scheduled Ulll.1:1:. I Ill I. 050-249

_.:~~~~~~~

UNIT SllUTOOWl~S /\\NO PO\\.JER REDUCTIOllS.

Ull IT M/\\11[ Dresden III REPORT MONTI!

MARCH. 1'980 DATE April 1, 1980 COMPLETED DY S, A. Cieszkiewicz

• TELEPUotlE (815) 942-2920

"" L.

~..

0 i:-

N 0

CTI._,

0 Ill c

c u Licensee GJ L.

0 "U *- m

0.

'"' :J Ill 0

µ Qi Event 0

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t-L. :c Q)

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2

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~

0 744.0 c

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Reasons

. A-Equipment F'alluro (Explain)'

B-11alntenance of Test C-Refue 1 Ing..

O-nc~ulatory Restriction 8

&::t Q)

CIJ

µ"U Ill 0

>-U V1

~-Opdf~tor Jralnlng & llc~nse Examine t-Admlhl stratlve

( ).

c 01n

. c Q)

O"U

a. o EU 0

u Cause & Corrective J\\ctlon to Prevent Rectirrence Refueling outage *.

• r G-Operatlonal f.rror

~-~ther (Explain)

• H-Other (Exp~aln) 3 Method:

I-Manual

~ Exhibit G-lnstructlons. for Preparation of Data

• Entry Sheets f~r Llcens~c

~.

2-"anual Scram j~Auio~atlc !cr~m Event ~~port (

)FJlc(NUREG~

0161)

(

)

MOIHH DAY 2

3 4

5 6

7 8

9.

10 11 12 13 14 15 16 AVERAGE DAILY UNIT POWER LEVEL March 2.1980 AVERAGE DA IL Y PO\\~ER LEVEL DAY (M\\~e-Net) 0 17 0

18 0

19 0

20 0

21 0

22 0

23 0

24 0

25 0

26 0

27 0

28 0

29 0

30 0

31 0

DOCKET NO. 050-010 Utl IT Dresden I DATE April 1, 1980 COMPLETED BYS. A. Cieszkiewicz TELEPHONE (815) 942-2920 AVERAGE DAILY POWER LEVEL (M\\fo-Net) 0 0

0 0

0 0

AVERAGE DAILY UN IT POWER LEVEL MOIHH MARCH 2 1980 DAY AVERAGE DAILY POWER LEVEL DAY (MWe-Net)

1.

632 17 2

726 18 3

19 4

751 20 5

5 21 6

22 7

750 23 8

751.

24 9

729 25 10 755 26 11 754 27 12 760 28 13 75 29 14 30 15 737 31 16 DOCKET NO. 050-237 UlllT Dresden II DATE April 1, 1980 COMPLETED BY S. A. Cieszkiewicz TELEPHONE (815) 942-2920 AVERAGE DAILY POWER LEVEL (M\\fo-Net) 748 748 753 665 732 748 748 718 585 663 750

AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 050-249 Utl IT Dresden III DATE April 1, 1980 COMPLETED BY S. A. Cieszkiewic.z TELEPHONE (815) 942-2920 MOIHH MARCH 2 1980 DAY*

AVERAGE DAI LY POWER LEVEL DAY AVERAGE DAI LY POWER LEVEL (MWe-Net)

(M\\fo-Net) 0 17 0

2 0

18 0

3 0

19 0

4 20 0

5 0

21 0

6 22 7

23 0

8 0

24 0

9 0

25 0

10 0

26 0

11 27 12 28 13 29 14 30 15 0

31 0

16 0

\\.

i-.

SUMMARY

OF OPERATING EXPERIENCE UNIT ONE MARCH, 1980 3-1 to 3-31 Unit One was shutdown for the entire month, continuing preparation for chemical cleaning and refueling.

SUMMARY

OF OPERATING EXPERIENCE UNIT TWO 3-1 to 3-31 MARCH, 1980 Unit Two operated continuously during the month of March, with a capacity factor and availability of 91% and 100%, respectively, with no significant problems, at an average load of 728 MWe.

e.

SUMMARY

OF OPERATING EXPERIENCE UNIT THREE 3-1 to 3-31 MARCH, 1980 Unit Three was shutdoW!l the entire month for a refueling outage.

Major activities included core reload, jet pump repair and inspection, and com-pletion of Mark I modifications.

DRESDEN UNIT 1 SAFETY RELATED MA I NTENANCE - MARCH, 1980 NATURE OF LER OR OUTAGE MALFUNCTION*

EQUIPMENT MA I llTENANCE NUMBER CAUSE RESULT CORRECTIVr~ACTION Emergency Con-Preventive WR #1965

. Outage 111-8 NA NA Inspected paint.

denser e

e

EQUI PMEMT "4" Refueling Floor ARN A.O. Valve 2-1601-21 HPCI Hain Pump 2-2302 M/\\TURE OF Ml\\ I NTElrnNCE Preventive WR 114882 Corrective WR 114226 Corrective WR 113567 Diesel Gei:i.erato Preventive WR 111329 Alarm Panel Interlock Door Preventive WR /14942 H.O. Valve Corrective WR /13573 2-2301-10 Diesel Generato Preventive WR /13842 IRM Channel 18 Preventive WR /13591 125V Battery Charger Preventive WR /15074 Diesel Generato1 Preventive WR /14020 Cooling Water Hangers Isolation.Con-denser Vent Valve 2-1301-20 "N' Refue.ling Floor ARM Correctiv~ WR 113611 Preventive WR /15106 DRESDEN UtHT 2 SAFETY HEL/\\TEO M/\\ltHEN/\\NCE -

MARCH, 1980 LER OR OUT/\\GE lllJMOER LER /180-10/03L-O Outage /12-2 Outage //2-14 Outage 112-2 Outage 112-2 Outage /J2:.-2 Outage 112-2 Outage 112-2 Outage /12-14 Outage 112-2 Outage 112-2 Outage 112-2 Outage 112-2 M/\\LFUMCTI OM NA Bad Valve Loose Bolts NA NA Loose Bonnet Ring

& Packing NA NA NA NA Loose Packing NA NA Leakage Leakage NA NA Leakage NA NA NA NA Leakage NA CORRECTIV~/\\CTION Repaired broken pin at the sensor converter connector

& performed calibration.

Replaced valve Tightened bolts

\\

Replaced socket, resistor

& test push button.

Replaced relay Tightened bonnet ring &

packing.

.Performed annual inspection Replaced pre-amplifier Adjusted charger.

Installed braJ!kets.

Tightened p*acking Shortened conduit

EQUIPMENT Ca librator Card "A

Ch II 125V arger Battery LP

-Tu In Co Hi Al RM 16-49C rbine to Reactor terlock Door ndenser Pit gh Water Level arm IH\\ TUl1E OF.

• Ml\\ I NTEIH\\N CE Preventive WR 114981 Preventive WR 115073 Preventive WR 114417 Preventive WR 1/499 7 Preventive WR 115103 DRESDEN UNIT 2 SAFETY RELATED MAltlTENANCE -

MARCH, 1980 LER OR OUTAGE MALFUNCTION IHJIHlER CAUSE RESULT CORRECT I vr,, ACT I ON Outage 112-2 NA NA Replaced relay Outage 112-2 NA NA Adjusted charger Outage 112-2 NA NA Te~ted LPRM - test okay Outage U2-2 NA NA Replaced control relay

\\

Outage 112-2 NA NA Replaced alarm *card

---

~----

DRESDEN UNIT 3 SAFETY RELATED MANTENANCE-MA~CH, 1980 NATURE OF LER OR OUTAGE MALFUNCTION EQUIPMENT MAINTENANCE NUMBER CAUSE RESULT CORRECTIVE P~TION

'Fuel Grapple Preventive WR 714806 Outage 113-2 NA NA Adjusted jam limit switch.

Jam Light Refueling Preventive WR 114625 Outage 113-"-2 NA NA Removed track limit switch Grapple arms * & logged in jumper log.

e Refueling*

Preventive WR 114805 Outage 113-2 t:IA NA Adjusted cable limits Grapple Re.fueling.

Preventive WR 114762 Outage *#37 2 NA NA Adjusted cable switch Grapple I

I APRM.Channel 4 Preventive* WR. //4549 Outage //3:...2 I

NA NA Replaced fuses

/

Diesel Generato1 Prevent1ve WR //4019 Outage 113-2 NA NA Tightened hangers Cooling Water Hangers HPCI Exhaust Preventive WR 113901 Outage //3.,..12 NA NA

Disassembled t:fap - could Drain Pot Trap not find a~ything wrong*.

Seal Purge Re-Preventive WR //36 73 Outage 10-2 NA NA Completed under Work ~

lief Valve quest *.//36 70.

Control Rod Preventive WR 114814 Outage 113-2 NA***

NA Blocked relays 101 & 102 Drive <;:ircuitry Valve 3....:.1301-2 Corrective WR 114021 Outage 113-2 Bad Packing Leakage Repacked valve.

Grapple Preventive WR 114 784

. Outage 11 'J-2 NA NA Adjusted.cable switch.

Drywell interloc k Preventive WR 11459 3 Outage 113-2 NA NA Replaced bent shaft & in-

'Door stalled new bearings Standby Ga*s Preventive WR 114488 Outage 113-2

• NA NA Replaced missing nuts &

Hangers bolts & tightened loose

- --* hol.t~. --- -- ----- ---

EQUIPMEIH Reactor Head M.O. Valve 3-202-9B Torus Manways*

NATURE OF MA I NTENANCE Preventive WR #1651 Preventive WR #4686 Preventive WR #1667 Refueling Grapple Preventive WR //4 798 Refueling Grapple Preventive WR #4801 Fuel Grapple Preventive WR //4998 Neutron Monitor-Preventive WR //4878 ing.Shorting Links Control Rod Preventive WR #1910 Drive Hatch Yarway Instrument Preventive WR #3762 Valve Block "A" Standby Liquili Preventive WR //4936 Control Pump

'B" Recirculating Preventive WR //4585 Pump Standby Liquid Preventive WR #4212 Control Hanger Control Rod Drive Preventive WR /11911 DRESDEN UNIT 3 SAFETY RELATED MANTENl\\Nq..:.. MARCH, 1980 LER OR OUTAGE NUMBER Outage 113-2 Outage 113-2 Outage 113-2 Outage 113-2 Outage #3-2 Outage #3-2 Outage 113-2 Outage 113-2 Outage 113-2 Outage 113-2

. Outage 113-2 Outage 113-2 Outage #3-2 MALFUNCTI O" Cl\\USE RESULT NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA CORRECTIVE ;~TIO~

Removed reactor head &

associated equipment.

Replaced motor.*

Opened torus manways

• Replaced spring on raise

& lower switch.

Replaced cable.

Replaced switches &

straightened shield cover.

Installed jumpers.

. Opened control rod drive hatch.

Replaced valve.

Replaced packing, gaskets,

& plungers.

Installed new flex-gaskets spring & disc.

Added jam nut to each end of u.,..bolt.

• Leak tested spare drives.

EQUIPMEtH CCSW Hangers in Turbine Bldg.

Basement NATURE OF MA I NTEW\\NCE Preventive WR #4506 Refueling Grappl1 Preventive WR #4695 3 & 3A 125 v*

Preventive WR #5002 Battery Charger SRM 21, 22, 23, Preventive WR #4874

& 24 Shear Valves on Preventive WR #8296 TIP System Refueling Plat~

Preventive WR #5401 form Control Rod DrivE Preventive WR 111909 Housing Support Bars Reactor Bldg.

Preventive WR /14955 Equipment Drain Hanger 112 Reacto,r Recirc.

Preventive WR f/5064 "A" Bypass Line Hanger (203A-4")

Reactor Bldg.

Preventive WR 114954 Equipment Ora.in Hanger Ill Main Steam Hanger Preventive WR /15183 3-:3019C-T DRESDEN Utl IT 3 SAFETY RELATED MM!TENANC~ -

MARCH, 1980 LER OR OUTAGE NUMBER Outage #3-2 Outage 113-2

• Outage 113-2 Outage 113-2 Outage 113-2 Outage 113-2 Outage 113-2 Outage 113-2 Outage 113-2 Outage 113-2 Outage 113-2 MAL FUN CT I Oil CAUSE RESULT

. NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA

.NA NA CORRECTIVE ;~TION Repaired hangers.

Changed relays.

Readjusted charger 135 volts.

to -

Completed on Work OrYer

1. 4727.

Replaced primer chamber assembly.

Replaced cable.

Replaced support steel bars.

Replaced missing bolt ~

spacer.

Replaced bolt, nut, &

spacer.

Replaced hanger.

Tightened bolts.

EQUI PMEllT Control Rod Driv Diesel Generator A.O. Valve 3-1601-23 Di~sel Generator Cooling Water Lil e NATURE OF MAINTENANCE Corrective WR #5051 Preventive WR #5238 Corrective WR #4 782 Corrective WR #5268 "A" Standby Preventive WR #4581 Liquid Control.

Control Rod Driv1 Preventive WR #5010 Scram Volume Re'.""

lief Valve 125V DC Battery Ground Diesel Generator Cooling Water Pump X-Are~ Interlock Doors*

Preventive WR #5339 Corrective WR #5252 Preventive WR #5338 "B" Standby Liquid Corrective WR #5199 Control Pump "B" Standby Liquid Preventive WR #4582 Co:ntrol Valve Pressure Suppres-Preventive WR #2596 si,on Valves D~ESDEN UNIT 3 Sl\\FETY REL/\\TED MAMTEN.ANq - MARCH, 1980 LER OR OUTAGE NUMBER MAL FUN CT I Oil Outage #3-2 Outage #3-2 Outage #3-2 Outage ff3-2 LER #80-10/03L-0 Outage ft 3-2

~utage #3-2 Outage ff 3-2 Outage ff3-2 Outage #3-2 Outage ff 3-2 LER #80-10/03L-0 Outage ff 3-2 Outage 113-2 I

I CAUSE RESULT Seat Needad Leakage Machining NA NA Bad Valve Leakage Bad Valve Leakage NA NA NA NA NA NA*

Bad Pump.

Oil J,eakage NA NA Bad. Packing Leakage NA NA NA NA CORRECTIVE i~TION Machined seat & lapped to valve.

Rebuilt soleno~d valve.

Replaced valve.

Replaced valve.

.\\

Tested & set valve Removed blind flange, cut line, & installed union.

Dried oil level switch &

cleared ground.

Replaced pump.

Pressed reset button.

Replaced packing.

Tested* & set valve.

Performed functional test.

EQU I PMEIH Standby Liquid Control Valve 125V DC Battery Charger 25.0V DC 250V DC Cell #!OJ Cell lllli Mechanical Snub-ber$

M.O. Valve 3-1501...:22A Scram Discharge Volume Headers Instrument Flow Check Valve 3-263-2-11 N/\\.TURE OF MA INTUIJ\\NCE Preventive WR #4584 Preventive WR #5001 Preventive WR #3739 Preventive WR 113738 Preventive WR 114 783 Preventive WR #5234 Preventive WR #5011 Preventive WR 114897

• Refueling Grapple Preventive WR 114873 Monorail Refueling Grapple Preventive WR #4751 Reactor Mode Switch Preventive WR #1986 Standby Liquid Preventive WR #4862 Control Explosive Valve Torus Vacuum Preventive WR #4842 Breaker DRESDEN UN IT 3 SAFETY RELATED M/\\NTENI\\NCE -

MARCH, 1980 MALFUt-lCT I Oil LER OR OUTAGE NUMBER C/\\USE RESULT Outage 113-2 Outage #3-2 Outage II 3-2 Outage 113-2 Outage 113-2 LER ll80-9/03L-0 Outage 113-.2 Outage 113-2 Outage 113-2 Outage #3-2 Outage 113-2 Outage #3-2 Outage II 3-2 Outage 113-2 NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA.

NA NA NA NA NA NA NA NA

. NA NA CORRECTIVE ;~TION Installed new valve.

Adjusted voltage.

Replaced cell.

Replaced cell.

Fabricated bushings for snubbers.

Replaced brass screw &

l.ugs.

Removed & replaced flanges Tested valve & reinstalled Adjusted limits.

!Replaced sol~noid.

Cleaned all con tac ts &

~ubricated gears.

Tested valve.

Wabricated brass bushings.

DRESDEN IHI IT 3 SJ\\FETY RELJ\\TEO M/\\NTEN/\\MC~ -

MARCH, 1980 NJ\\TURE OF.

LER OR OUTAGE M/\\LFUNCTIOU F.QUi PMEIH Ml\\ I NTEll/\\NCE NUMBER CAUSE RESULT CORRECT I VE i~T I Oil Instrument Flow Preventive WR #4898 Outage 113-2 NA NA Tested & adjusted valve.

Check Valve 3-220-54 Instrument Flow Preventive WR 1/4899 Outage 113-2 NA.

NA Tested & adjus~ed valve.

Check Valve e

3-262-:-2-5B 24/48V Batteries Preventive WR 1/4218 Outage 113-2 NA NA Replaced cells.

\\

\\

Fuel *Handling

• Preventive WR 11_5014 Outage 113-2

• NA NA Replaced spring & switch Grapple M.0. Valve*

Preventive WR #4845 Outage // 3...,2..

NA NA Overhauled breaker 3-1501-llB A.O. Versa Valve Preventive WR #4005.

Outage 113-2 NA NA Replaced valve 160h60 125V DC System Preventive WR #5444

• outage 113-2 NA NA Verified yroper feeds &

changed labeling where needed.

Diesel Generator Preventive WR #5072 Outage 113-2 NA NA Performed inspection-~

changed turbo charger &

oil filters.*

250V Battery Preventive WR #4052 Outage 113-2 NA NA Performed discharge test.

A-1 Scram Sole-Preventive WR 115275 Outage 113-2 NA NA Installed new fuse.

no id Instrument Flow Preventive WR #4902 Outage 113-2 NA NA Tested & adjusted valve.

Check Valve 3-262-2-6A.

E:QU I ?MEIH Instrument Flow Check Valve 3-262-2-5A Instrument Flow Check Valve 3-262-2-6B Main Steam Line Plugs

. ECCS Jockey Plug 24/48V Battery 125V Batteries Security Door Wide Range GEMAC DGSW Hangers "B" CCSW Pump Vault Cooler NATURE OF MA I MTE!-1/\\NCE Preventive WR 114901 Preventive WR 114900 Preventive WR 114731 Preventive WR #4518 Preventive WR 114050 Preventive WR 114051 Preventive WR 115120 Preventive WR 115435 Preventive WR 114394 Corrective WR 114929 DRESOEM tm IT 3 SAfETY RELATED MANTEN/\\NC~ -

MARCH, 1980 LER OR OUTAGE NUMBER Outage 113-2 Outage 113-2 Outage 113-2 Outage 113-2

• Outage 113-2 Outage 113-2 Outage 113-2 Outage 113-2 Outage 113-2

• Outage 113-2 MAL FUN CT I Oil CAUSE RESULT NA NA NA NA NA NA NA NA NA NA NA

. NA NA NA NA NA NA NA Needed Soldering Leakage CORRECTIVE ;~TION Tested & adjusted valve.

Tested & adjusted valve.

Removed plugs.

Realigned & greased coup-ling.

Performed battery dis-charge test.

Performed battery dis-charge test.

Repaired latch Replaced level transmi~

Installed lock-nuts &

new hanger Repaired leak in cooling.

coil.

ORES Om Utll T 2 / 3 SAFETY REL/\\ TEO Ml\\ I NTEM/\\NCE -

MARCH, 1980

~/\\tURE OF LER OR OUTAGE EQUIPMENT 111\\ I IHHl/\\l~CE llUMOER D1esel Gerierato Corrective WR #4464

---~--*-.1-Diesel Generato

.Preventive WR #4869 Co ntrol Rod Preventive WR #4764 Dr ive SN 6545 Co ntrol Rod Preventive WR #4766 Dr ive SN 1105.

Co ntrol Rod Preventive WR #4768 Dr ive SN 673C Co ntrol Rod Preventive WR #4763

. Dr ive SN 979 I

Co ntrol Rod Preventive WR 114 769 Dr ive*sN 1046 Preventive WR 114767 Preventive WR 114465 Preventive WR #5105 Co ntrol Rod Preventive WR /14765 Dr ive <//13 El ectromatic Preventive WR 114370 Re lief Valve Diesel Generator Preventive WR 115003 Cooll:n~ Water Flow Reversing Valve M/\\LFUNCTION C/\\USE Tubes Needed Plugging NA NA NA NA NA NA NA NA NA NA NA NA RESULT Leakage NA NA NA NA NA NA NA NA NA NA NA NA CORRECT IV!.~ ACTIOtl Plugged tubes.

Installed new light socket

& replaced lamp.

Re.placed inner & outer collet rings Rebuilt control rod *qrive Replaced* inner & outer..

coll~t rings.

Rebuilt control rod drive Control rod drive rebuilt*

• under another W.R.

Rebuilt control rod drive Performed annual inspection Tightened latth Replaced inner & outer rings.

Rebuilt drive under W.R.

112239 Installed new valve plug

D~\\~~iil:i'! litl!T 2/3 sr1r-ETY [(f:Lt.TC:-l i-'.fli'IHtlf'.t*lCE -

MARCH, 1980'

---***-*---***-----*--*-------- -.. *---"-**--*-------* ---------*--------------~-***----

L r~ ~1 OlJl-1r*~

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1:

l Cl\\tiSE Diesel GeneratoJ Corrective WR /15013 I I

Loose Cap Diesel Gen:eratof Corrective WR /145 76 i Plugs Needed

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1 Leakage Tightened cap.

Leakage Installed plugs.

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