Text

Monthly Operating Repts for Dec 1986
	ML20207P465
Person / Time
Site:	Dresden
Issue date:	12/31/1986
From:	Eenigenburg E, Maxwell D; COMMONWEALTH EDISON CO.
To:	; NRC OFFICE OF ADMINISTRATION (ADM), NRC OFFICE OF INSPECTION & ENFORCEMENT (IE)
References
	87-018, 87-18, NUDOCS 8701160160
	Download: ML20207P465 (32)
	v • d • e

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OPERATING DATA REPORT DOCKET NO. 050-237 DATE January 2, 1987 l

COMPLETED BY D. C. Maxwell TELEPHONE 815/942-2920 OPERATING STATUS NOTES 1.

Unit Name:

Dresden II 2.

Reporting Period:

December, 1986 3

Licensed Thermal Power (MWt):

2 527 4.

Nameplate Rating (Gross HWe):

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 This Month Yr-to-Date Cumulative 11.

Hours in Reporting Period 744 8,760 145,824 12.

Number of Hours Reactor Was Critical 0.0 7,110.f 110,807.6 13 Reactor Reserve Shutdown Hours 0

0 0

14.

Hours Generator On-Line 0.0 6,763.3 105,747.7 15 Unit Reserve Shutdown Hours 0

0 0

16.

Gross Thermal Energy Generated (MWH) 0 15.238.443 216.872.082 17 Gross Electrical Energy Generated (MWH) 0 4.902.902 69.402.665 1

18.

Net Electrical Energy Generated. (MWH)

-7.132 4.648.539 65.584.653 19 Unit Service Factor 0

77.2 72.5 20.

Unit Availability Factor 0

77.2 72.5 21.

Unit Capacity Factor (Using MDC Net) 0 68.7 58.3 22.

Unit Capacity Factor (Using DER Net) 0 66.8 56.6 23 Unit Forced Outage Rate 0

8.2 12.1 24.

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

In 10th refueling outage.

1 25.

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

3-14-87 i

1 R

PDR

OPERATING DATA REPORT

. DOCKET NO. 050-249 DATE January 2, 1987 COMPLETED BY D. C. Maxwell TELEPHONE 815/942-2920 OPERATING STATUS NOTES 1.

Unit Name: Dresden III 2.

Reporting Period:

December, 1986 3

Licensed Thernal Power (MWt):

2 527 4.

Nameplate Rating (Gross MWe):

ana 5

Design Electrical Rating (Net MWe): 794 6.

Maximum Dependable Capacity (Gross MWe): R19 7

Maximum Dependable Capacity (Net MWe):

773 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 1

This Month Yr-to-Date Cumulative 11.

Hours in Reporting Period 744 8,760 135,409 12.

Number of Hours Reactor Was Critical 657.4 2,756.8 99,353.6 13 Reactor Reserve Shutdown Hours 0

0 0

14.

Hours Generator On-Line 613.9 2,457.1 92,250.4 15 Unit Reserve Shutdown Hours 0

0 0

16.

Gross Thermal Energy Generated (MVH) 1.362.984 5,038,461 186,811,097 17 Gross Electrical Energy Generated (MWH) 438,395 1,583,406 60,422,639

18. Net Electrical Energy Generated. (MWH) 416.862 1.456,025 57,182,319 19 Unit Service Factor 82.5 28.0 68.1 20.

Unit Availability Factor 82.5

?8.0 68.1 21.

Unit Capacity Factor (Using MDC Net) 72.5 21.5 54.6 22.

Unit Capacity Factor (Using DER Net) 70.6 20.9 53.2 23 Unit Forced Outage Rate 17.5 15.9 12.5 24.

Shutdowns 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:

N/A l

1

=

COMMONWEALTH EDISON COMPANY m

DRESDEN STATION MAXIMUM DAILY LOAD MONTH OF DECEMBER, 1986 HOUR

. MAXIMUM DAILY LOAD DAY ENDING KW 1

0100 815,100 2

2200 776,800-3 0100 578,300 4

2400 771,500 5

1200 809,500 205,200 6

0100 7

0000 0

8 0000 0

9 2400 333,600 10

' 2400 497,000 11 0900 710,800 12 0000 0

'13 1900 389,900 14 2400 710,100 15 1400 804,700 16 2000 809,900 17 0900 815,400 18 1100 817,100 19 2400 816,500 20 0800 816,500 i

21 1500 814,800 l

22 1300 815,000 23 1300 813,800 24 1300 813,400 25 0200 811,000 26 0600 813,200 j

27 1500 811,300 28 0900 811,800 29 0800 808,900 I

30 2100 810,200 31 2300 811,300 l

l 1

/

+

AVERAGE DAILY UNIT POWER LEVEL

~

DOCKET NO.

050-237 UlllT II-DATE: ~ January 2, 1987 COMPLETED BY D. C. Maxwell TELEPHONE - 815/942-2920 MONTH DECEMBER, 1986 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

0 21 0

5 6

0 22 0

7 0

23 0

8 0

24 0

9 0

25 0

i 10 0

26 0

f 11 0

27 0

12 0

28 n

13 0

29 0

?

14 0

30 0

i 15 0

31 0

j 16 0

t l

i

AVERAGE DAILY UNIT POWER LEVEL T

DOCKET NO. 050-249 UlllT III 4

DATE January 2,1987 COMPLETED BY - D. ' C. Maxwell TELEPHONE'- 815/942-2920 1-MONTH DECEMBER, 1986 DAY AVERAGE DAILY. POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net)

(MWe-Net) 1 621 17 778 i

2 621 18 780 3

328 19 783 4

624 20 778 4

5 644-21 757 6

0 22 786 7

-0 23 779 8

0 24 781 I

9 58 25 779 10 401 26 782 1I 373 27 781 1.

I 12 0

28 781 j.

1 13 154 29 776 14 586 30 774 i

15 736 31 767 I6 687 1

4 i

---.c,--,.

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--,-..--.-- n.- --,..-,,- - - -.- - - -,- - -.,. - - -

i DOCKET NO.

050-237 I

UNIT NAM II UNIT SHUTDOWNS AND POWER REDUCTIONS DATE January 2, 1987 _

COMPLETED BY D. C. Muwell

{

TELEPHONE (815) 942-2920.-

i.

i REPORT MONTH DECEMBER, 1986 4

I I

MTHOD OF LICENSEE NO.

DATE TYPEl DURATION REASON 2 SHUTTING EVEtrf SYSTEM COMPONENT ACTION TO CAUSE & CORRECTIVE l

(HOURS)

DOWN REACTOR 3 REPORT #

CODE 4 CODES PREVENT RECURRENCE 9

86-11-29 S

744.0 C

2 Turbine off-line manually to j

10th refueling outage, planned Rx scram when mode switch moved

+

from "Run" to " Shutdown".

i i

6 i

i I

l 1

4 l

l 1

2 3

F: Forced Reason:

4 Method:

8: Scheduled A-Equipment Failure (Explain)

Exhibit G-Instructions for l ',

B-Haintenance or Test 1-Manual Preparation of Data 2-Manual Scram Entry Sheets for Licensee C-RefuelinE 3:-Automatic Scram Event Report (

) File l

D-Regulatory Restriction 4-Other (Explain)

(NUREG-0161) l E-Operator Training & License Exanaination

]

F-Administrative G-Operational Error l

H-Other (Explain) c

9 DOCKET NO. 050-249 UNIT NAME III UNIT SHUTDOWNS AND POWER REDUCTIONS DATE January 2, 1987' 1

COMPLETED BY D. C. Maxwell TELEPHONE (815) 942-2920 j

REPORT HONTH DECEMBER, 1986 METHOD OF LICENSEE-CAUSE & CORRECTIVE NO.

DATE' TYPEl DURATION REASON 2 SHUTTING EVENT SYSTEM COMPONENT

~ ACTION TO i

(HOURS)

DOWN REACTOR 3 REPORT F CODE 4 CODES PREVENT RECURRENCE l

I 8

86-12-6 F

86:31 H

1 Turbine and reactor manually (86.5) to cold shutdown.for E.Q.

Repair of Electrical splices.in drywell.

1 1

9 86-12-11 F

43:37 A

3 86-0250

2 Turbine control valve contacts (43.6) failed.

j i

i i

h i

I i

l i

1 2

3 i

F Forced Reason:

4 Method:

Exhibit G-Instructions for S:

Scheduled A-Equipment Failure (Explain) 1-Manual B-Maintenance os Test Preparation of Data 2-Manual Scram Entry Sheets for Licensee C-Refueling 3-Automatic Scram Event Report (

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

(NUREG-0161)

E-Operator Training & License Examination F-Administrative i

i G-Operational Error

{

H-Other.(Explain)

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CHECKED AND TESTED AND FOUND EVERYTHING JO' N/A WR D43810'

.,0K WITH VOLTAGE AND ALARM SET POINT

'g 3

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+

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s ELECTt0MATIC RELIEF VALVE WR D44055 SURFACE, INSTALL ED RELIEF VALVE WI TH NEW

'OI ki GASKET, HOOKED UP DRAIN LINES, LEFT OK

O~

Oi Id'- 203-2-A CORRECTIVE N/A VALVE, R EBUILT AIR CYLINDER, EVERYTHING REdUILT 3 W AY AND 4 W AY V ALVES, REPACKED

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

t jO' MAIN STcAM E SOLAT ION V ALVE WR 044064 TESTtD OK

O.

4 1

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- =-

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4 WA 044073 INSTALLED 2 NEW CRAB BOLTS, LEFT OK 10 O !

1

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O ORESDEN Ut.IT 3 SOFETY RELTTED M3INTEN*.NCE

-}(, -

O i

NATURE OF LER OR OUTAGE MALFUNCTION EQUIPutNT MAINTENANCE NU'8dE R CAUSE PESULT CORRECTIVE ACTION REPLACLD INTERNAL WIRING, INSTALLE0 MOV 10'11-1 A PRFVF4TIVE N/A f

WK 044486 TORCUF L IM I T tiR PLATE, CAST IRON COVER,

(

AND "T" ORAIN PER PROCEDURES J

REPL ACED CRE ASE IN LIMIT SWITCH C WIRES MOV 2301-35 PafvENTIVE N/A WR J44489 ON LIMIT SWITCH AND TORQUE SWITCH O

f e; -

MOV 1501-IIA PREVENTIVE N/A.

COMPLETED E.Q. INSPECTION, LEFT OK WR 0445T9 O

O

-TUR3If.E SIOP VALVES PAEVENTIVE N/ A PERFORMED PROCEDURE ON TUR3INE STOP

'O' WR 045503 VALVES, LEFT OK

O.

O CO3-2301-4 PREVENTIVE N/A TOdOUE SWITCH SET PER WORK INSTRUCTIONS, TORQUE SWITCH WR 045519 E.Q. REQUIREMENTS WILL BE DONE ON O

O, WR 343403 AND 51335 y7 lO' O

[

M03-3F06 PREVENTIVE N/A SET TROQUE SWITCH PER PROCEDURE, 4 *0, TOR QUE 0

SW11CH WR D45521 DMP 040-18 WILL BE COMPLETED UNDER WR 250339 30.

REPL ACED END-OF-LIFE LPRM'S AS REQUESTED O

3-T05-002 PREVENTIVE N/A d

LPOM'S WR D45149 PER WORK INSTRUCTIONS, LEFT OK

' a 30 O

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SAFETY CELT.TED MAINTENANCE NATURE OF LER UR OUTAGE MALFUNCTION 1

E00Ie*ENT MAINTENANCE NUM3ER CAUSE RESULT CORRECTIVE ACTION

-)

3-203-3C PREVFNTIVE N/A

=

=-

INSPECTED SOLENGID AND JUNCTION BOX ELECTWOMATIC WR 34d720 PER PROCEDURE, LEFT OK D

O 3-203-13 PREWENTIVE N/A

= = - - - - - -

INSPECTED SOLENOID AND JUNCTION BOX PER O

--J.

ELECTROMATIC WR 046721 PROCEDURE, LEFT OK is:

e h >~ '

203-3A PREVENTIVE N/A-

.~

PERFOR1ED E.Q. INSPECTION PER PROCEDURE TAIGET ROCK WR 046722 y g'

e O

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"~

203-30 PREVENTIVE ~

x

~

?~

t PER PROCEDURE

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INSPECTED SOLENGID AND JUNCTION BOX PER n

203-3E PREVENTIVE

'N/A 0

0 3,s.ELECTROMATIC WR 046726 C

. PROC EDURE

,1 3

t',&

) O,.

O t

INSPECTED MSIV AND JUNCTION BOXES PER 3-203-1A MSIV PREVENTIVE N/A.

s - - - - - - -.

WR D48868 PROCEDURE, LEFT OK

e.?-

O W.- t.

f:._ 3 INSPECTED MSIV AND JUNCTION DOXES FOR

'O 203-Id PREVENTIVE N/A

- - - - - - ---==

y

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MSIV WR D48869 E.Q.

5 ). c

e c

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203-10 PRFVENTIVE N/A.

INSPECTED MSIV AND JUNCTION BOXES FOR F

^J -)' MSIV WR D48870 E.Q. PER PROCEDURE o

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n.

203-2A PREVENTIVE N/A INSPECTED MSIV AND JUNCTION BOXES FOR f - MSIV WR 048871 E.Q. PER PROCEDURE

),

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. MSIV WR D48872 E.J. PER PROCEDURE 4 D"-

O o,.

D

~O

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~

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f.

SAFETY RELaTED MAINTENiNCE

(~

v fO '

NATURE OF LER OR OUTAGE MALFUNCT10!4 0

.-i EQUIPMENT MAINTENANCE NUMhER CAUSE RESULT CORRECTIVE ACTION b

~

INSPECTED MSIV AND JUNCTIONS BOXES'FOR O

3-203 PREVENTIVE N/A 23 MSIV WR D48873 E.Q.,

LEFT OK k)

O p.

203-20 PRFVENTIVE N/A INSPECTED MSIV AND JUNCTION BOXES FOR

? 1 MSIV WR 048875 E.Q. PER PROCEuuRE O

U..-

$. ) '

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L 203-20 PREVENTIVE N/A INSPECTED MSIV AND JUNCTION BOXES FOR h

MSIV WR D48876 2.

E.Q. PER PROCEDURE O

i

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nc 4

n w

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CORRECTIVE'

[N/A

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(

3-1201-2

?, r

REACTOR CLEAN UP INSIDE WR 048920 AND NEW M0blLUX GREASE, LEFT OK

{k-,}-

O ISOLATION VALVE A!.

i. DISCONNECTED AND RECONNECTED MOV FOR

' '. MOV 1402-388 PREVENTIVE

, N/ A -

-O E.Q. MAINTENANCE PER PROCEDURE WR 049042 s--

5 "s.

O w

h b RUV 1501-2tA PREVENTIVE.

.N/A' DISCONNECTED AND RECONNECTED FOR E.Q.

FW WR 049045

-PER PROCEDURE g 1

.O

$7:4

}('y -

i,

~

DISCDNNECTED AND RECONNECTED FOR,E.Q.

.O (Of,MOV 1501-27A PREVENTIVE ~

'N/A.

y Pp WR.049047

~

. MAINTENANCE

'i -r 5 9'-

(O

+ e,d

y '

MOV 2301-5 PREVENTIVE N/A Mk' DISCONNECTED AND RECONNECTED FOR E.Q.

~ ~ -

WR 049053 M AIN T E N ANC E

'O fY; a,

.e

' COV.2301-35 PRFVENTIVE N/A

--. DISCONNECTED AND RECONNECTED FOR E.Q.

- 4 WR 049055 M A IN T E NA NC E

.. )

'O F.0V 2301-36 PRF vFNT IVE N/A DISCONNECTED AND RECONNECTED FOR E.Q.

O h h),,

WA 049056 HAINTENANCE

{ t.,,

a -

TD, O

fj e

jA

.y,.

iG O

~-

h..'_ _ _ _ _ _ -.

$r m';

+.

s~

$k DRESDEN UNIT 3

')

% i.-

SAFETY RELATED MalNTEN*NCE "O E '

NATUdF OF LER OM OUTAGE M A LF UNC T IO'4

O

.F' EQUIPMENT MAINTENANCE NUMBER CAUSE RESULT CORRLCTIVE ACTION O

)

S D-3-2 2 J-M PREVENTIVE N/A REPL ACED SOLENUID ANO R AYCHEMED SPLICE WR 049191 PER PROCEDURE lY e

( 2,.:

D r

DISCONNECTED Af40 RECONNECTED FOR E.O.

lf4 MOV 220-1 PRfvCNTIVE N/A L'

WR 050338 MAINIENANCE O

ie, '

Le.

N - MOV 3706 PREVENTIVE

'N/ A DISCONNECTED AND RECONNECTED FOR E.Q.

~~

3e-le 7;

WR 050339

-MAINTENANCE

'L*y.

"e'

'O I

DUTBOARD MSIV'S

~WR D50443' '

.N/A', ! ' --

203-2A TO 20 PREVENTIVE REPL ACED JUNCTION BOXES AND WIRING PER WORK INSTRUCTIONS

\\'b

$['@t O M 4 /1 < [<

v e.

4,r u,,

PREVENT'IVE 4

OC r.0V 1301-1

'N/A

.m)~ ',

--,. REPLACED GREASE IN LIMIT SWITCH, t

O' kg INTERNAL' WIRING, LIMIT SWITCH WR D50478 COMPARTMENT COVER AND TORQUE LIMITER u

s'

. {'J -

~

PLATE

.A:

REPLACED GREASE IN LIMIT SWITCH,

-- Q.

,h

-MOV 202-56 PREVENTIVE.

N/A-w

%^q WR D50479 REPLACED. INTERNAL WIRING, REPLACED LIMIT

~

ke SWITCH COMPARTMENT COVER PER PROCEDURE

.O j

g.gq,

~.

REPLACED GREASE IN LIMIT SWITCH, e

(M'eg.MOV 202-5A PREVENTIVE N/A WR D50480

. INTERNAL WIRING, AND LIMIT SWITCH (b d E.

COMPARTMEN,T COVER PER PROCEDURE son

.e 3;&..

REPLACED INTERNAL WIRING AND LUGS,

^*

ia 5*0V 1501-286 PREVENTIVE N/A.

--==-

Mel wR D50749 REPL ACEO GREASE IN GEARED LIMIT SWITCH O

PER PROCEDURES fy b, ;

ns

$e.'

6 n

REPLACED GREASE IN LIMIT SWITCH, LM ' MOV 1501-28A PREVENTIVE N/A k

WR 050866 REPL ACED INTERNAL WIRING AND LUGS i,s, e

lQ'*

k[

. M3V 1501-27A PREVFNTIVE N/A REPLACEO GREASE IN LIMIT SWITCH AND O

f -Q.

WR D50867 REPL ACED INTEPNAL WIRING AND LUGS ie PER PPOCEDURE lO O

9

.Q e

w

. 4

D O'

i l

y a

,s

'j ' * -

ji c

b[O J.,

DRESDEN O'4IT 3 r

SAFETY RELATED MAINTENANCE f

20

,I e

NATURE OF LER OR OdT AGE. ' MALFUNCTION If:

EQUIPMENT MAINTENANCE NUM6ER CAUSE RESULT CORRECTIVE ACTION O

REPLACED GREASE IN LIMIT SWITCH, O

MaV 1402-254 PREVENTIVE N/A r..

WR D50P,68 INTERNAL WIRING AND LUGS AND CRACKED

^

O, FINGER BASE PER PROCEDURE t

hO f,y MOV 2301-6 PRE VEi4TIVE N/A

~

DISASSEMBLED MOTOR, CLEANED AND DRIED

--===-

N,-

WR 050953 DUT, RE ASSEMaLED MOTOR, LEFT OK O

~

E...

O 5

1 CLEANED AND REPLACED GREASE IN GEARED.

7_ :

ij " ' MOV 2 301-4 PREVENTIVE

.. N/ A '

=

W WR D51335 LIMIT SWITCH AND RECDNNECTED WIRING PER

?

/y

.s PROCEDURE EO Q

y; J.

c e,/.i 3-1501-21A MOV PREVENTIVE-1N/A V COMPLETED'AND CORRECTED ALL E.Q..

i.O

2-5 X. 5 : M

.p,.

t -

.[.t, DEFICIENCIES 5t

.WR D51336.

.a 3,

.r c,.

r g

.', 2..

,s

}q A y'

g,

g..

1

., v

~

'MOV 1201-3 PREVENTIVE i.' N/ A ;. "

REPLACED CRACKED LIMIT SWITCH FINGER Y

%jO;p s

Z

~

m

' BASE, INTERNAL WIRING,AND MDTOR END!) ELL

-O WR.D51401

~

1J'i PER PROCEDURE.

j V

2 r

m

- +

, _,. u. y.

,l

,q j

S E -

' WR D51455

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

._ COMPLETED WORK PER INSTRUCTIONS, LEFT Dit :

T ',. ' l:0V 1001-18 PRE VENT IVE I.~

,N/Al J4 JO jyO l'

[

[.y

( v.s. ';

,l 1

L

[.N. 1301-2 MOV PREVENTIVE

'.N/A

J-------

REPL ACCD GRE ASE IN GEARED LIMIT SWITCH

, ' O' ybyy -

+,

.)

WR D5145T.

AND REPLACED INTERNAL WIRING PER?

5 L

A' PROCEDURE, LEFT OK

$O,

,. O

. q ;(

h1*

REPLACED GRFASE IN GEARED LIMIT SWITCH p *' MOV 220-2 PREVENTIVE N/A'.

.[

gk WR D51458

'AND INTERNAL WIRING PER PROCEDURE c1.

e

,7

?Ol

,.c0 o

REPLACED GREASE IN GEARED LIMIT SWITCH 205-2-4 Nov PREVENTIVE N/A A

= M ' M T'""

O w

O O.,

May i201-2 PREvENrive N/A RePtACED GEARED LIMir SWITCH AND CART.

fa -

WR D51460 ASSEMBLY AND REPLACED INIERNAL WIRING J

PFR PROCEDURE T O.

O t1 50_.

O

/

9 G

10 O

=O v

'0' ORFtDEN UNIT 3 4'

SAFETY RELATED MAINTENANCE

?' S '

K..

NATURE OF LER OR OUTAGE MALFUNCTION O

.l EQUIPMdNT MAINTENANCE NU'9BER CAUSE RESULT COAR'ECTIVE ACTION l

MOV 1591-21 tl PREVENTIVE N/A REPL ACED GRE ASE, I NT ER N AL sdIRING AND O

Wx 051536 MOTOR LEAD SEALTI1E PER PROCEDURE t

Q-.

0 POV 2301-5 PREVENTIVE N/A

--- --- =-

REPLACED GREASE AND INTERNAL WIRING O

.)

hR 051569 PER PROCEDURE

[Y;

' 'w REPLACEO GREASE AND INTERNAL WIRING PER 8;0V 1402-258 PREVENTIVE N/A WR D51597 PROCEDURE

..)

g-O COV 1402-398 PREVENTIVE N/A

, REPLACED GREASE AND INTERNAL WIRING

({

WR D51598 PER PROCEDURE i

')

'O

{ge r

' REMOVED POTH PUMPS, INSPECTED CASING,

,--i* 3-6601 PREVENTIVE N/A C

"j WR 0516D4 i

INSTALLED AND CLEANED NEW G ASKETS, LEFT 7,,,

DIESEL GEt4ERATOR 5 ^ ;.-

OK

Q yQ REPLACED GREASE AND INTERNAL WIRING PER

w.. e

':".". - MOV N/A-'

1201-1A PREVENTIVE I'

WR D51646 PROCEDURE AS O

f,.( ; ['

s e

y.

BOLT ON NUT REPLACED ON TOP OF MISSING

'O 10 1601-60 VENI VALVE PREVENTIVE N/A SM.

WR 053581.

. COIL FOUND BY VALVE, LEFT OK w.

,g

.. g i It.y

~.

u-k," d :

INSPECTED ROTOR FOR END RING MO 3-1031-111 PREVENTIVE N/A IO WR D53642 SEPE RA TILN PER PROCEDURE, LEFT OK O

A.:..,

F

'O 7 ( -302-1618 A0 JUSTED LIMIT SWITCHES FOR CORRECT PREVENTIVE N/A

----=

EQ SUV WEST BANK VENT VALVE WM 053659 VALVE POSITION INDICATING LIGHTS, OK NOW

O L. )-J h'302-1578 PREVENTIVE N/A ADJUSTED LIMII SWITCH FOR PROPER O

SDV WtST BANK ORAIN VALVE WR D53660 INJI C A T I USJ, LEFT OK 4.. _

iJ O

i:;

'D; e

i: Q;d

$[,-

DREED'EN UNIT 3 I

St.FETY RELATED MAINTENANCE

'.i

4., qq q e

,3 ffOUS NATURE OF LER OR OUTAGE MALFUNCTION iI

?O$

Q4 p.

EQUIPMENT MAINTENANCE NUMBER CAUSE RESULT CORRECTIVE ACTION k

b 4

REMOVED ALL 5 COVERS, REPLACED COVERS "O

tiJ DRYKELL TO TORUS VACUU't PREVENTIVE N/A BREAKERS WR D539dl WITH NEW

'O' RINGS AFTER INTERNAL INSPECTION, LEFT OK 1J

O" 1'?.

ha.

REMOVED AND INST ALLED NEW MOUNTING POLTS h

m AO 1601-23/24 CORRECTIVE N/A hi J TORUS VENT VALVE WR D54053 PER WORK INSTRUCTIONS AND TORCUED O

l p+'

NO ?

?O.

CHANGED ALARM CARD AND TESTED, WORKS

, 2r

[*h?E03-5-B-15 PREVENTIVE N/A

- - ~ ~ ~ ~

30

- {O ;

(

7 CHANNEL 8 R E ACTOR LO LO LEVEL WR D54169

. PROPERLY NOW id',

e.-

!q ;

TIGHTENED LOOSE FAN BLADE ON INVERTER

'*O 2203-70 PRE VEN T IVE t.

'N/Ar-j((-ATWAS INVERTFR DIV II WR D54202

. COOLING FAN, LEFT OK A d-TO'

.-\\O

~.

I4 305-101 CORRECTIVE

. k/A FABRICATED NEW V ALVE AND COUPLING PER

O ' ACCUM 46-39 VALVE WR D54355 PROCEDURE

-O y.

3

-- +

c' O

I.h Mc?. 2301-4 PREVENTIVE

.N/A' s ------ - : ---

' OPENED LIMIT COMPARTMENT FOR NRC INSP..

.I 1 J I'. HPCI MO VALVE WR 054391 REPLACED 2 BOLTS IN CORNERS, WORK BEING

~.

~

1 U,

.2,.

f y(t i?tO C20 3-001 A PREVENTIVE N/A

-, - - - - - ~ ~.

OPENED AND CLOSED JUNCTION BOX FOR NRC

'O" M, MSIV TERM. SLOCK WR D54415, INSPECTION

{

.b"

~ ~ - - - - - - ---

READJUSTED LIMIT STACKS AND FLOPPED

?

N-1402-44 PREVENTIVE N/A (Of CORE SPRAY MO WR 054466 MOTOR LEADS TO CHANGE ROTATION. WORKING O

A,

.0K NOW iy-L;O O

fi 5 MOV 1402-38r3 SRL AKER PRFVENTIVE N/A REPLACED OVERLOAD RELAY AND HEATER PER h&

WR 054538 PROC EDUR E O

L,../s y:

INSPECTED VALVE INTERNALS AND SEATS,ALL

'O k.1501-253 C UR,t E C T IVE N/A

i ' LPCI INJECTION TFSTABLE CHECK WR 054789 OK, BRUSHED AND WIPED GASKET AREAS, 3

STRAICHTENED BENT INDICATING ROD HOUSING h

VALVE LEFT OK O

w V

oA

.C O

se DRE SOEN Util T 3

'4 SAFETY RELATED MAINTEN*.NCE y,).

O I '-

NATURE OF LER OR OUTAGE MALFUNCTION j

EQUIPMLNT MAINTENANCE NUM3ER CAUSE RESULT CORREC TIVE ACTION "O

51419 PRFvfNTIVE N/A

- -=-

INSTALLED 3 HALF L APPED L AYERS OF SCOTCH 0

LPCI/C.S. AREA 400M COOLER N4 05492T T A PE OVER MOTOR LEADS ON LFCI ROOM

, Qe*

COOLER PER PROCEDURE e

3-1601-56 PREdENTIVE N/A REPLACED SEALTITE, LEFT OK

-1)

WR 055062 O

,O

o L-1601-24 PREVENTIVE N/A s

TOOK OUT OLO SEALTITE AND REPLACED WITH

~

WR 055064 A NEW ONE, LEFT OK FO'

.4 O

li

)

REPL ACED BROKEN SEALTITE CONNECTOR, LEFT O

1601-23 PREVENTIVE N/A

-VENT VALVE' WR D55065 OK i

10

O TE-3-1641, 20u,2 0 T,2 08 PREVENTIVE N/A-

.RESTRIPED THERMOCOUPLE WIRES AND

-)

TORUS TEMPERATURE MONITORING WR 05522T CHECKED LUGS, EVERYTHING LOOKS GOOD

'O D'

O MO-3-1301-3 PREVENTIVE-N/A

- - - - - ~ ~ ~ ~ - -

INSPECTED MO FOR E.Q. PER PROCEDURE

/

WR 055230 4*

r p.

s

'. k M G 3-13 01 -2 PREVENTIVE N/A' INSPECTED FOR E.Q. PER PROCEDURE JO WR D55231 O

Q 7

MO-3-1301-1 PREVENTIVE N/A INSPECTED HO FOR E.Q. PER PROCEDURE

==---

)

O WR 055232

'O O

MO-3-1301-4 PREvFNTIVE N/A

= --- ---------

PERF00MED W0i4K PER PROCEDURE FOR E.Q.

I E.a lO

~,-y*

WR 055233 si '

O M03-1001-1A PREVENTIVE N/A INSPECTED FOR C.Q. AND PERFORMED WORK O

WR 055234 PER PROCEDURE e.

a

'O

'O i.

'O-O

^6 0

y 50-ORESDEN UNIT 3 SAFETY RELATED MAINTEN2NCE NATURF OF LER OR OUTAGE MALFUNCTION O

(O j E0JIPMENT MAINTENANCE NUMcER CAUSE RESULT CORRECTIVE ACTION

{

INSPEC TED FOR E.Q. AND PERFORMED WORK O

)

MJ 3-1001-18 PREVENTIVE N/A e

WR D55235 PER PROCEDURE O

'2 I-003-2301-4 PREWENTIVE N/A INPSECTED FOR E.Q.

PER PROCEDURE O

[

WR 055236 IO' O

44 '! MO3-2301-8 PREVENTIVE N/A INSPECTED FOR E.Q. AND PERFORMED WORK f

S,O-WR 05523T PER PROCEDURE O

m-s O

A03-203-2A PREVENTIVE N/A INSPECTED MSIV PER WORK INSTRUCTIONS, OPENED AND CLOSED JUNCTION BOXES FOR OUTBOARD MSIV WR D55242 g

INSPECTION, LEFT OK

O O

e INPSECTED MSIV WIRING PER WORK E03-201-23 PREVENTIVE

.N/A.

O

"; J CUTBOARO MSIV WR D55243 INSTRUCTIONS, OPENED AND CLOSED JUNCTION

?

BOXES FOR INSPECTION, LEFT DK

!O io h;

INSPECTED MSIV WIRING PER WORK CO3-203-2C PREVENTIVE N/A OUTdOARO MSIV WR 055244 INSTRUCTIONS, OPENED AND CLOSED JUNCTION O

30XES FOR INSPECTION, LEFT OK P

v e

O.

E03-203-20 PREVENTIVE N/A INSPECTED MSIV WIRING PER WORK INSTR.

O pi OUTdOARJ MSiv WR 355245

- OPENED AND CLOSED JUNC TION BOXES FOR INSPECTION,LEFT OK fj

- 'O p

op J

)O-MOV 2301-4 PREdENT!vE N/A REPL ACED BOTH SE ALTITES AND C ABLES PER WR 055332 PROCEDURE

'O

+

{ j.

"g

[c MOV 1301-1 PREVEr4TIVE N/A REPLACEO MOTOR CABLE, CONNECTORS ON WR J55333 LIMIT SWITCH WIRING AND CLEANED SWITCHES i )

AND LIMIT SWITCH COMP ARTMENT, LEFT OK

'O n' _.*

+

e g.

-k EG 3-2301-35 PREVENTIVE N/A ORILLfD 2 ORAIN HOLES IN JUNCTION BOX 0

E L.

wR 055498 AND INSTALLE0

'T' ORAIN IN BOTTOM COVER OF ACTUATOR, LEF T OK ij O

l'y

-O 4.p

. y o

N

O O

%y# "

m OdESDEN UNIT 3

-~

SAFETY RELATED MAINTENANCE 7 3 7,-

0 1 "L NAIURE OF LER OR OUTAGE MALFUNCTION i '

!.y-E Q'31PME d MAINTENANCE NUMBER CAUSE RESULT CORRECTIVE ACTION MO 3-220-1 PAEVENTIVE N/A INSTALLED

T' DRAIN ON UNIT PER WORK WR 055500 INSTRUCTIONS, LEFT OK g) h' $

ADJUSTED MICRO-SWITCH TO GET PROPEi!

- 833 PREVENTIVE N/A

'O

, -)

REFUEL GRAPPLE WR 055?66 INDICATION, LEFT OK

.~

G it'-3-1501-264 PREVENTIVE N/A ADJUSTED LIMIT FOR PROPER INDICATION WR D55822

'g p.

4 O'

INSTALLED AND ADJUSTED ARM AND CHECKED

]4.

3-1501-263 PREVENTIVE N/A

~ - - - -

WR 055823 FOR PROPER INDICATION, LEFT OK p

,e tv

!^*O,

M03-1301-*

CORRECTIVE N/A' REMOVFD DUST CAP AND TIGHTENED THE ISOLA TIUN CONDENSER INLET WR D55919 DRIVE LOCK NUT, LEFT OK L

r je" Je d,"

t.J-3-220-51 PREVENTIVE'

'N/A REPAIRED CABLES PER WORK I N S TR UC TIO*t S, F :. REACTOR HEAD SEAL LEAKOFF

" WR 055934

. E ALSO ADJUSTED LIMITS FOR PROPER LIGHT INDICATION, LEFT OK O

. VALVE

]

s v

Ay; wx >,

~

' INSTALLED CABLE PROTECTION AND CLE ANED

'O Oj,MOV1001-1A PdEVENTIVE

.N/A

, ~, - - ~ ~ -

,,k,

,WR 055938

. GREASE RELIEF FOR E.Q.

f 1<-

3-S:

O gm.

2

. MOV 1301-3 PREVENTIVE N/A CLEANED LIMITS, TOROUED SWITCH AND

?

WR D55940 CONTACTS PER WORK INSTRUCTIONS

'O

.n. -

.3_*

O f {' A0 REMOVED, CLE ANED AND INSPECTED FLANGES, 1601-20A CORRECTIVE N/A

~5

,,is, VENT VALVE WR 055942 SEAT AND DISC AREA. REINSTALLED 000 (d

VALVE, LEFT JK 0

U.f

'O

. ).ESS UPS It4VERTFR PREVENTIVE N/A CHANGED FUSES AND ADJUSTED 5.C.R. BOARDS

+.

WR 056121

/

>3.

-O 5# c

!CN e

M y)a.

s 0:

L

,.g

's h )

.. 'a wr, th -

i i O /'

02ESDEN UNIT 3 e'

',.j '*

E-*',.

S AFETY CELATED MAINTEN2MCE NATURE OF LER OR OUTAGE MALFUNCTION Oi

{g.

tCUIPMENT MAINTENANCE Nt P43E R CAUSE RESULT CORRECTIVE ACTION REPL ACED INLET AND OUTLET UNIONS ON AIR

.O-

"d-DIESFL GENERATOA CORRECTIVE N/A START LINE, APPLIED SEALANT TO NIPPLE WR 056219 THREADS AND INSTALLED START REGULATOR IN i- '

AIR START LINE, LEFT OK

$ ~

~

RCPLACED BREAKER WITH LIKE FOR LIKE k

MJV 1301-2 PREVENTIVE N/A O

REPLACEMENT, LEFT OK WR 056221 CLAMP ROTATED AND SNUBBER NO LONGER ll.,4*

SNUdRER 241 PIPE CLAMP CORRECTIVE N/A DOUND UP, LEFT OK "O

d-WR 056228

'i g#.

h., --) ~ 595-11 %

PkEVENTIVE N/A FOUND WIRE ON EE WAS OFF AND PUT BACK

!O ON AND ISO CONO. DID RESET, LEFT On ISOLATION CONJENSOR RESET WR 056283 h ' CIRCUIT e..

O-(/

CUT OFF OLD LUG AND INSTALLE0 CORRECT 3-287-116A PdEVENTIVE N/A O

~ ~ ---

LUG PER WORK INSTRUCTIONS, LEFT OK AUTO BLOW DOWN SY ST E*t RELAY WR 056306 j, CHARGE

w s, y..

O-(O REPLACED BROKEN TERMINAL BLOCKS WITH

. "O h(.

'" [, 903-3 PREVENTIVE Va z---

LIKE FOR LIKE REPLACEMENTS, LEFT OK b 'r-PNL TER MINAL BLOCK WR D56317-r.O

+=

gG' O

fO M03-1301-2 PREVENTIVE N/A RESET LIMIT SWITCH CONTACTS TO RECEIVE j

g-+

k',. l ALARM AT PROPER TIME, TE STED VALVE OK SWITCH WR 056322 g,_ LIMIT Tl;

. CHECKED AND EVERYTHING WORKING OK N04 O li l

W n

- J' 2599-1B PREVFNTIVE N/A

-- =--

O d-CAn AIR SUPPLY VALVE WR 056346 y

K _' e.',

O

f DI SCONNECTED SOAK BACK OIL PUMP 3-6601 CORRICTIVE N/A D I SC H. LINE AN3 REPL. SE AL COUPLING.

. - - OIESEL WR U563ae8 O

U- )'

CLEANED AND INSP. THRfADED AREAS, REINST ALLED FIT T ING, TIGHTENED COUPLING.

U~

ADJUSTED LIMIT SWITCH ARMS AND STROK ED 6

. i.:l -

HE AD VENT VALVE 5 PREVENTIVE N/A T-(hCEALTOR VALVES, LEFT OK WR 056473 D

4..

+ -

l o

[.I.

hll

i. '

A rO 4.

hF

+

$ $I '

DAESDEN UNIT 3

~

f.-

SAFETY RELaTED M3.INTENANCE II S

NATuaE OF LER OR OUTAGE MALFONCTIG4

[.

EOUIPMENT MAINTENANCE NUM3ER CAUSE RESULT CCRRECTIVE ACTION 3-2301-39 PREVENTIVE N/A RE MOWE D OLD GASKET, INST ALLED NEW GASKET II HPCI SUCTIONAL CHECK VALVE WR J5oSO2 SLUGGF 0 BONNE T DOLTS, LEF T OK f 0I

()

3-203-2A-3 PREVfMTIVL N/A INST ALLED NEW TERMINAL BLDCK S, ORILLED SI

'l MSIV JUdCTIUN SdXES wR 056609 WEEP HULES IN ALL JUNCTION BOXES AND TIGHTENED ALL CONDUIT FITTINGS. LEFT OK

.)

MOV 3-1201-3 CORRF CTIVE N/A CUT AND RE-LUGGED PINCHED WIRE UNDER 40 WR 056676 VALVE LIMIT COMPARTMENT COVER, GROUND 4D IS CLEAR

~ II I,

PIPE PLUG-DAYdELL PENETR ATION CORRECTIVE N/A.

PLUG INSTALLED PER POPE TRAVELER PACKAGE 7

X-It63 WR 056722 LEFT OK 1)

$)

Ns CEACTOR RECIRC RISFR OF PREWENTIVE N/A-BLENDED AND PT'ED NICKS AS INSTRUCTE3,

()

$ J, SENSING LINE FPOM 3-20!L-I2"-A WR 056778

'LEFT OK b

C)

RE PL ACED SOCKET AND LE NSE, LEF T OK MO T OR C ON T P OL VALVES LOCAL PREVENTIVE N/A lbl OPERATING./ IND. OPERATCES WR D56869

'r a C)

D N

REMOVED OLD ACCUM AND INSTALLED NEW ONE, O

I ACCUM C-I3 CORRECTIVE

^N/A E,

WR 056949 USED DOW CORNING 55 GREASE FOR D-RINGS 9'

PER PROCEDURE, LEFT DK I

'O W.

l v ' 'h REINST ALLED COVER AND SCREWS, CHECKED

D/W AIR SAMPLE 8501-1A PREVENTIVE N/A

?I.

WR 056957 VALVE FOR PROPER INDICATION AND

- UD j {-.

EVERYTHING WAS OK l4 g'.

'C)

REPL ACE 0 ALL FOUR DIRECTION AL CONTROL

'T.

3-305-120, 121, 122 AND 1 FRFVENTIVE N/A f-CRD v4 D57nna VALVES AND REPLACED O-RINGS, LEFT OK CD if. f

CHANGED FILTERS, "O" RINGS AND BACK-UP

' C)

' J,, 3-305 CORRECTIVE N/A

,j{

E-9 118-353 Wa 05F013 RINGS, BLEW AIR THROUGH OUSTY SCREENS 9 _?

TO CLEAR UP,, LEF T OK il)

()

y.

y-II Ik_,

G._ _, _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

O e

p,

,O, ORESDEN UNIT 3 4

Sf_FETY C. ELATED MAINTENINCE v

O O

NAIURE OF LER OR OUTAGE MALFUNCTION 4j ' ~,.

LOUIPMENT MAINTENAf4CC NUM.3ER CAUSL RESULT CORRECTIVE ACTION 305-121 PRE VE NTIVE N/A REPL ACED C RD-06-35 DIRECT ION SOLENGID O

)

.CR0 06-35 lb-99 WR 05F065 3

e 3-6000 PRFVENTIVE N/A CHECKED TERMINATIONS AND TIGHTENED A5 i'

DIESE L GENER ATOR WR 057447 NECESS ARY PER PROCEDURE O-Te'

'e.

REPLACED DEFECTIVE EAST-WEST TRAVEL PREVENTIVE N/A

-.' CEFurL GRAPPLE WR D58160 CONTROL MODULE, OK NOW rg

g.

g.

?? '

PERFORMED PROCEDURE FOR ERV PRESSURE lO

$ -)

3-203-38 ERW CORRECTIVE N/ A

h. # I -

CONTROL STATIONS, LEFT OK

~

WR 058722 f;,

>e w.

REPL ACED CARTRIDGE ASSEMBLY AND ADJUSTED E?'

PREVENTIVE N/A-f[O'M03-220-1 OSL DRAIN WR D58T58 LIMI TS. CHANGED THE GEAR IN THE VALVE

'O g.*

OPERATOR THAT MESHES WITH THE CARTRIDGE

~ 4 GEAR. LEFT OK s 9 --

,O gn p,,.;

o

,e-~

t;f,;.

e,,

1-3 79 L O

y.ft.

ie; o

m..

e

! %.4, O

pf.

,,g.

t

,19 3

O 1, a: _

a k4 g

x-GC.

O i

h

~. -

, e 50' O

s

, i UNIQUE REPORTING REQUIREMENTS MAIN STEAM RELIEF VALVE OPERATIONS-

- Relief valve operations during the reporting period of December,1986 are summarized in the following table. The table includes information as to which relief valve was actuated, how it was actuated, and the circumstances

- resulting in its actuation.

Valves-Description Unit Reporting Period Actuated Actuations Conditions of Events-

'2 12-01-86 to 12-31-86 None 3

12-01-86 to 12-31-86

'None

SUMMARY

OF OPERATING EXPERIENCE UNIT TWO.

DECEMBER, 1986 12-01-86 to 12-31-86 Unit 2's refueling outage continued throughout the month. Major work included:

- All fuel removed from reactor-

- LLRT

- Decontamination of the recirculation piping

- Torus cleaning t

b f

i i-i

p_

H

SUMMARY

.0F OPERATING. EXPERIENCE UNIT THREE DECEMBER, 1986 12-01-86 to 12-09-86 Unit 3 entered the month operating at a power level of 012MWe and maximum core flow. Load was reduced for testing of both recirculation pumps in single loop operation, which was completed satisfactorily, and the unit ramped up to full power. An Unusual Event was declared because the amp brand electrical splices in the drywell were not environmentally quali-fied. The turbine was manually tripped off-line at 0311 hours0.0036 days 0.0864 hours 5.142196e-4 weeks 1.183355e-4 months of December 6, 1986 and the reactor was made subcritical at 0950 hours0.011 days 0.264 hours 0.00157 weeks 3.61475e-4 months of the same day.

After repairs were effected, the reactor was made critical at 0550 hours0.00637 days 0.153 hours 9.093915e-4 weeks 2.09275e-4 months of December 9, 1986 and the turbine was brought on-line at 1742 hours0.0202 days 0.484 hours 0.00288 weeks 6.62831e-4 months of the same day.

12-10-86 to 12-13-86 After low power surveillances were completed, load was steadily increased until December 11, 1986 at 1435 hours0.0166 days 0.399 hours 0.00237 weeks 5.460175e-4 months when an' automatic turbine trip and high flux reactor scram occurred while cycling the #2 turbine stop valve to troubleshoot a failure of the fast closure solenoid. The #2 turbine stop valve had a carbonized contact which caused the stop valve logic system to close all of-the stop valves. The reactor scrammed on turbine stop valve closure.

After repair of the limit switches the reactor was made critical at 0909 hours0.0105 days 0.253 hours 0.0015 weeks 3.458745e-4 months of December 12, 1986 and the Turbine was brought on line December 13, 1986 at 1012 hours0.0117 days 0.281 hours 0.00167 weeks 3.85066e-4 months .

12-14-86 to 12-31-86 The unit operated the remainder of the month, steadily increasing load (except for normal weekend surveillances),

reaching a power level of 812 MWe with an availability of 85.51% and a capacity factor of 70.82%.

Commonwealth Edison

~'

o Dresden Nuclear Power Station RR.#f Morris, ll!!nois 60450 Telephone 815/942-2920 January 2, 1987 EDE LTR: 87-018 Director, Office of Inspection and Enforcement United States Nuclear Regulatory Commission Washington, DC 20555 Attention: Document Control Desk Dear Sirs Enclosed, please find Dresden Station's operating data for the month of December, 1986. This information is supplied to your office per the instructions set forth in Regulatory Guide 1.16.

Sincerely, S

E. D. Eeni enb2rg Station Manag r Dresden Nuclear Power Station EDE:DCM:hjb Enclosure cc hegion III, Regulatory Operations, U.S. NRC Chief, Division Nuclear Safety, State of IL U.S. NRC, Document Management Branch Nuclear Licensing Administrator Nuclear Fuel Services Manager Nuc. Sta. Div. Vice Pres.

Manager, Tech. Serv. Nuc. Sta.

Tech Staff A.E. (2)

On-Site NRC Inspector Sta. Nuc. Eng. Dept.

Sta. Q.A. Dept.

Comptroller's Office PIP Coordinator INPO Records Center File /NRC Op. Data File / Numerical ff

/

1 (

i

ML20207P465

Text

SUMMARY

SUMMARY

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