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{{#Wiki_filter:e Commonwec9 Edison Dresden Nuclear Power Station R.R. #1 Morris, Illinois 60450 Telephone 815/942-2920 BBS Ltr. /180-476 June 5, 1980 James G. Keppler, Regional Director Directorate of Regulatory Operations -Region. III U.S. Nuclear Regulatory Commission* 799 Roosevelt Road Glen Ellyn, IL 60137 *** *Reportable Occurrence Report /180-17/031-0, Docket /1050-237, is being submitted to your office in accordance with Dresden Nuclear Power Station Technical Specific*ation 6.6.B.2.(b), conditions leading to operation in a degraded mode permitted by a limiting condition for operation or plant shutdown required by a limiting condition for operation. BBS/nh Enclosure B. B. Station Superintendent Dresden Nuclear Power Station cc/ Director of Inspection & Enforcement Director of Management Information & Program Control File/NRC LICENSEE EVENT REPORT I
{{#Wiki_filter:e Commonwec9 Edison Dresden Nuclear Power Station R.R. #1 Morris, Illinois 60450 Telephone 815/942-2920 BBS Ltr. /180-476 June 5, 1980 James G. Keppler, Regional Director Directorate of Regulatory Operations  
* I 10 (PLEASE PRIN.T ORTYPAIL REQUIRED 1----.1....,_..1-__.....__._...._;;;._-'s\..!J .# ., CONTROL BLOCK: I I I L I D I R I s I 2 101 0 I 0 I -I 0 I 0 I 0 I 0 I 0 I -I 0 I 0 IQ)I 4 11 I 1 11 I 1 1 G)I I I.@ 9 LICENSEE. CODE . 14 15
-Region. III U.S. Nuclear Regulatory Commission*
* LlCENSE NUMBER 25 26. LICENSE TYPE. JO 57 CAT 58 . CON'T } o I 2 I j 0 13 I: l 0 14 I o I s 1 o I o I o I 2 13 11 101 o 1 s 1 1 1 2 I a 1 o I© 1 o I 6. 1 o I s I a I o 1 G) 60 61 DOCKET NUMBER 68 69 . EVENT DATE 74 75 REPORT DATE ao EVENT DESCRIPTION A":'D PROBABLE_CONSEQUENCES@ I *Following a uni"t scram, double* valve indication was observed on the HPCI-inboard isolation valve *. Upon trying to cycle. the valve, the valve failed to close (T.S.3.7.D.l). The health and safety of the public was not endangered because the ) 0 I sJ I HPCI steam line was isolable _ via the outboard isolation valve and other ECCS systems -0 Is I* were operable. 'J'his -is the first occurrence of* this type. l a ,,7 r I 1Cr'Tal". 9 80 SYSTEM CAUSE CAUSE COMP. CODE COiJE SUBCOOE COMPONENT.CODE SUB CODE ISIFI@ L!J@ w@ lvlAILlvlolPI@ L!J@) 9 . 10 11 12 13 18 19 SEQUENTIAL OCCURRENCE AEPOP.T LEA/AO CV ENT YEAR. REPORT NO. CODE TYPE .REPORT I 8 I 0 I I l I 0 I l I 7 I I ........ , I 0 I 31 LEJ NUMBER .
799 Roosevelt Road Glen Ellyn, IL 60137 *** *Reportable Occurrence Report /180-17/031-0, Docket /1050-237, is being submitted to your office in accordance with Dresden Nuclear Power Station Technical Specific*ation 6.6.B.2.(b),
* _ 21 22 23 24 . 26 27 28 29 JO VALVE SUBCOOE w@ 20 1=J 31 REVISION. NO. ACTION FUTURE EFFECT SHUTDOWN ATTACHMENT NPR0-4 TAKEN ACT.ION' ON PLANT METHOD . . HOURS' ''_SUBMITTED FORM :;us. PRIME COMP. SUPPLIER. COMPONENT MANUFACTURER ----**-* . L:J@ L.:J@ I 0 I 0 I 0 I I L!:J@ l:J<&sect; 33 . 34 ' . 35 . 35* . J-7 40. 41 . . 42 I L I 2 I 0 I 0 I@ . 44 . . . . 47 -.CAUSE DESCRIPTION AND CORRECTIVE ACTIONS@ . 43 , , I 0 I r The failure was due to a packing leak on the valve' causing water to enter the valve ) 1 11 t .I _motor operator. The mo.tor dr:!,ed out and the valve was and. cycled 1-) 1 I 2 I successfully. N_o further action deemed necessary. ............... _,.. ..... _._ ................ ..,_...;.. ............... -.--.--.--.--.---'-.-..--.--.--.--.--.--..,..-.--,---,---,---,---,---,---,---,---,---,---.,..-,---,--..--,---.--.-....... _ 80* FACILITY 13Q\ STATUS % POWER OTHER STATUS re uu@
conditions leading to operation in a degraded mode permitted by a limiting condition for operation or plant shutdown required by a limiting condition for operation.
* 1 0 I o_ I 0 l@).._I ..;,;,.N:..:.I 0* 9 10 12 n ACTIVITY CONTENT (.;;;'\ RELEASED OF RELEASE. AMOUNT OF ACTIVITY 7161 .. LU@ W(&sect; ..... 1 __ _,__ __ _.,....l 9 10 11 44 METHOD OF (:;':;\ DISCOVERY DISCOVERY OESCRIPTlON _ ......... ............................................................... ___.*I 45 46 80 LOCATION OF N/A 45. 80 ?ERSONNEL EXPOSURES * . *-Q_ NUMBER A TYPE . OESCRIPTlON m. ro 1 o 1 o ___ ...:..;N..:...;/ A:.:.... __ .....;_ ____ ._,.;.__ _____________ ----' 8 9 11 12 13 so PERSONNEL INJURIES* * (,;"";\ NUMBER OESCRIPTION6 :CW* I 0 I 0 I 0 __ * -*_N..;,._/ A ________________________ _,___, 8 9 11 12.
BBS/nh Enclosure B. B.
* 00 LOSS OF OR DAMAGE TO FACl.LJTY f'43\ TYPE DESCRIPTION* ".:::::) 3TI: LU@ . 8-9 10 PUBLICITY (';;;\ 80. "' NR.C USE ONLY ISSUED/,;";;\ :IT&#xa3;J;. l.::J'6 N /A 8. 9 IQ. K. Zirwas N A,'/i E CF PP. E P .t\ RE A 1,....,_,_,....':;miiimi--t"-"llAilliiiii_ii!l _ _.,.limiilll .. r'"*W;iiill'll 68 69 80*; 0 a. X-529}}
Station Superintendent Dresden Nuclear Power Station cc/ Director of Inspection  
& Enforcement Director of Management Information  
& Program Control File/NRC LICENSEE EVENT REPORT I
* I 10 (PLEASE PRIN.T ORTYPAIL REQUIRED 1----.1....,_..1-__.....__._...._;;;._-'s\..!J  
.# ., CONTROL BLOCK: I I I L I D I R I s I 2 101 0 I 0 I -I 0 I 0 I 0 I 0 I 0 I -I 0 I 0 IQ)I 4 11 I 1 11 I 1 1 G)I I I.@ 9 LICENSEE.
CODE . 14 15
* LlCENSE NUMBER 25 26. LICENSE TYPE. JO 57 CAT 58 . CON'T } o I 2 I j 0 13 I: l 0 14 I o I s 1 o I o I o I 2 13 11 101 o 1 s 1 1 1 2 I a 1 o I&#xa9; 1 o I 6. 1 o I s I a I o 1 G) 60 61 DOCKET NUMBER 68 69 . EVENT DATE 74 75 REPORT DATE ao EVENT DESCRIPTION A":'D PROBABLE_CONSEQUENCES@
I *Following a uni"t scram, double* valve indication was observed on the HPCI-inboard isolation valve *. Upon trying to cycle. the valve, the valve failed to close (T.S.3.7.D.l).
The health and safety of the public was not endangered because the ) 0 I sJ I HPCI steam line was isolable
_ via the outboard isolation valve and other ECCS systems -0 Is I* were operable.  
'J'his -is the first occurrence of* this type. l a ,,7 r I 1Cr'Tal". 9 80 SYSTEM CAUSE CAUSE COMP. CODE COiJE SUBCOOE COMPONENT.CODE SUB CODE ISIFI@ L!J@ w@ lvlAILlvlolPI@
L!J@) 9 . 10 11 12 13 18 19 SEQUENTIAL OCCURRENCE AEPOP.T LEA/AO CV ENT YEAR. REPORT NO. CODE TYPE .REPORT I 8 I 0 I I l I 0 I l I 7 I I ........  
, I 0 I 31 LEJ NUMBER .
* _ 21 22 23 24 . 26 27 28 29 JO VALVE SUBCOOE w@ 20 1=J 31 REVISION.
NO. ACTION FUTURE EFFECT SHUTDOWN ATTACHMENT NPR0-4 TAKEN ACT.ION' ON PLANT METHOD . . HOURS' ''_SUBMITTED FORM :;us. PRIME COMP. SUPPLIER.
COMPONENT MANUFACTURER  
----**-* .
L:J@ L.:J@ I 0 I 0 I 0 I I L!:J@ l:J<&sect; 33 . 34 ' . 35 . 35* . J-7 40. 41 . . 42 I L I 2 I 0 I 0 I@ . 44 . . . . 47 -.CAUSE DESCRIPTION AND CORRECTIVE ACTIONS@  
. 43 , , I 0 I r The failure was due to a packing leak on the valve' causing water to enter the valve ) 1 11 t .I _motor operator.
The mo.tor dr:!,ed out and the valve was and. cycled 1-) 1 I 2 I successfully.
N_o further action deemed necessary. ...............
_,.. ..... _._ ................  
..,_...;..  
...............  
-.--.--.--.--.---'-.-..--.--.--.--.--.--..,..-.--,---,---,---,---,---,---,---,---,---,---.,..-,---,--..--,---.--.-
....... _ 80* FACILITY 13Q\ STATUS % POWER OTHER STATUS re uu@
* 1 0 I o_ I 0 l@).._I ..;,;,.N:..:.I 0* 9 10 12 n ACTIVITY CONTENT (.;;;'\ RELEASED OF RELEASE.
AMOUNT OF ACTIVITY 7161 .. LU@ W(&sect; ..... 1
__ _,__ __ _.,....l 9 10 11 44 METHOD OF (:;':;\ DISCOVERY DISCOVERY OESCRIPTlON _  
.........  
...............................................................
___.*I 45 46 80 LOCATION OF N/A 45. 80 ?ERSONNEL EXPOSURES  
* . *-Q_ NUMBER A TYPE . OESCRIPTlON  
: m. ro 1 o 1 o
___ ...:..;N..:...;/
A:.:....
__ .....;_ ____ ._,.;.__
_____________  
----' 8 9 11 12 13 so PERSONNEL INJURIES*  
* (,;"";\ NUMBER OESCRIPTION6  
:CW* I 0 I 0 I 0
__ * -*_N..;,._/
A ________________________
_,___, 8 9 11 12.
* 00 LOSS OF OR DAMAGE TO FACl.LJTY f'43\ TYPE DESCRIPTION*  
".:::::)
3TI: LU@ . 8-9 10 PUBLICITY  
(';;;\ 80. "' NR.C USE ONLY ISSUED/,;";;\  
:IT&#xa3;J;. l.::J'6 N /A  
: 8. 9 IQ. K. Zirwas N A,'/i E CF PP. E P .t\ RE A 1,....,_,_,....':;miiimi--t"-"llAilliiiii_ii!l
_ _.,.limiilll  
.. r'"*W;iiill'll 68 69 80*; 0 a. X-529}}

Revision as of 13:09, 29 June 2018

LER 80-017/03L-0 for Dresden, Unit 2 Re Double Valve Indication Was Observed on the HPCI Inboard Isolation Valve. Upon Trying to Cycle the Valve, the Valve Failed to Close
ML17252B552
Person / Time
Site: Dresden Constellation icon.png
Issue date: 06/05/1980
From: Stephenson B B
Commonwealth Edison Co
To: Keppler J G
NRC/RGN-III
References
BBS LTR 80-476 LER 80-017/03L-0
Download: ML17252B552 (2)
v • d • e


Text

e Commonwec9 Edison Dresden Nuclear Power Station R.R. #1 Morris, Illinois 60450 Telephone 815/942-2920 BBS Ltr. /180-476 June 5, 1980 James G. Keppler, Regional Director Directorate of Regulatory Operations

-Region. III U.S. Nuclear Regulatory Commission*

799 Roosevelt Road Glen Ellyn, IL 60137 *** *Reportable Occurrence Report /180-17/031-0, Docket /1050-237, is being submitted to your office in accordance with Dresden Nuclear Power Station Technical Specific*ation 6.6.B.2.(b),

conditions leading to operation in a degraded mode permitted by a limiting condition for operation or plant shutdown required by a limiting condition for operation.

BBS/nh Enclosure B. B.

Station Superintendent Dresden Nuclear Power Station cc/ Director of Inspection

& Enforcement Director of Management Information

& Program Control File/NRC LICENSEE EVENT REPORT I

  • I 10 (PLEASE PRIN.T ORTYPAIL REQUIRED 1----.1....,_..1-__.....__._...._;;;._-'s\..!J

.# ., CONTROL BLOCK: I I I L I D I R I s I 2 101 0 I 0 I -I 0 I 0 I 0 I 0 I 0 I -I 0 I 0 IQ)I 4 11 I 1 11 I 1 1 G)I I I.@ 9 LICENSEE.

CODE . 14 15

  • LlCENSE NUMBER 25 26. LICENSE TYPE. JO 57 CAT 58 . CON'T } o I 2 I j 0 13 I: l 0 14 I o I s 1 o I o I o I 2 13 11 101 o 1 s 1 1 1 2 I a 1 o I© 1 o I 6. 1 o I s I a I o 1 G) 60 61 DOCKET NUMBER 68 69 . EVENT DATE 74 75 REPORT DATE ao EVENT DESCRIPTION A":'D PROBABLE_CONSEQUENCES@

I *Following a uni"t scram, double* valve indication was observed on the HPCI-inboard isolation valve *. Upon trying to cycle. the valve, the valve failed to close (T.S.3.7.D.l).

The health and safety of the public was not endangered because the ) 0 I sJ I HPCI steam line was isolable

_ via the outboard isolation valve and other ECCS systems -0 Is I* were operable.

'J'his -is the first occurrence of* this type. l a ,,7 r I 1Cr'Tal". 9 80 SYSTEM CAUSE CAUSE COMP. CODE COiJE SUBCOOE COMPONENT.CODE SUB CODE ISIFI@ L!J@ w@ lvlAILlvlolPI@

L!J@) 9 . 10 11 12 13 18 19 SEQUENTIAL OCCURRENCE AEPOP.T LEA/AO CV ENT YEAR. REPORT NO. CODE TYPE .REPORT I 8 I 0 I I l I 0 I l I 7 I I ........

, I 0 I 31 LEJ NUMBER .

  • _ 21 22 23 24 . 26 27 28 29 JO VALVE SUBCOOE w@ 20 1=J 31 REVISION.

NO. ACTION FUTURE EFFECT SHUTDOWN ATTACHMENT NPR0-4 TAKEN ACT.ION' ON PLANT METHOD . . HOURS' _SUBMITTED FORM :;us. PRIME COMP. SUPPLIER.

COMPONENT MANUFACTURER

**-* .

L:J@ L.:J@ I 0 I 0 I 0 I I L!:J@ l:J<§ 33 . 34 ' . 35 . 35* . J-7 40. 41 . . 42 I L I 2 I 0 I 0 I@ . 44 . . . . 47 -.CAUSE DESCRIPTION AND CORRECTIVE ACTIONS@

. 43 , , I 0 I r The failure was due to a packing leak on the valve' causing water to enter the valve ) 1 11 t .I _motor operator.

The mo.tor dr:!,ed out and the valve was and. cycled 1-) 1 I 2 I successfully.

N_o further action deemed necessary. ...............

_,.. ..... _._ ................

..,_...;..

...............

-.--.--.--.--.---'-.-..--.--.--.--.--.--..,..-.--,---,---,---,---,---,---,---,---,---,---.,..-,---,--..--,---.--.-

....... _ 80* FACILITY 13Q\ STATUS % POWER OTHER STATUS re uu@

  • 1 0 I o_ I 0 l@).._I ..;,;,.N:..:.I 0* 9 10 12 n ACTIVITY CONTENT (.;;;'\ RELEASED OF RELEASE.

AMOUNT OF ACTIVITY 7161 .. LU@ W(§ ..... 1

__ _,__ __ _.,....l 9 10 11 44 METHOD OF (:;':;\ DISCOVERY DISCOVERY OESCRIPTlON _

.........

...............................................................

___.*I 45 46 80 LOCATION OF N/A 45. 80 ?ERSONNEL EXPOSURES

  • . *-Q_ NUMBER A TYPE . OESCRIPTlON
m. ro 1 o 1 o

___ ...:..;N..:...;/

A:.:....

__ .....;_ ____ ._,.;.__

_____________

' 8 9 11 12 13 so PERSONNEL INJURIES*

  • (,;"";\ NUMBER OESCRIPTION6
CW* I 0 I 0 I 0

__ * -*_N..;,._/

A ________________________

_,___, 8 9 11 12.

  • 00 LOSS OF OR DAMAGE TO FACl.LJTY f'43\ TYPE DESCRIPTION*

".:::::)

3TI: LU@ . 8-9 10 PUBLICITY

(';;;\ 80. "' NR.C USE ONLY ISSUED/,;";;\

IT£J;. l.::J'6 N /A
8. 9 IQ. K. Zirwas N A,'/i E CF PP. E P .t\ RE A 1,....,_,_,....':;miiimi--t"-"llAilliiiii_ii!l

_ _.,.limiilll

.. r'"*W;iiill'll 68 69 80*; 0 a. X-529

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