ML20041B718

Updated LER 81-035/03X-1:on 811030,during Normal Operation, Reactor Bldg to Torus Vacuum Breaker Valve 1601-20B Failed to Open.Caused by Failure of Versa solenoid,YGS-4522 U-3BC-10F-31.Solenoid Replaced

ML20041B718
Person / Time
Site:	Dresden
Issue date:	01/28/1982
From:	Whalen R COMMONWEALTH EDISON CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML20041B717	List: ML20041B716 ML20041B718
References
LER-81-035-03X, LER-81-35-3X, NUDOCS 8202250117
Download: ML20041B718 (5)

Text

. .

LICENSEE EVENT REPORT UPDATED REPORT I CONTROL SLOCK: l PREVIOUS REPORT DATE 11-23-81 I l l l l l@

6 (PtgASE PMINT OR TYPE ALL REQUIRED fNPOOMATION:  ;

,7 la Ill8 lI9 iL ID lR l CoOE UCENSEE S l 3 l@l 0l 0l -l 0 l 0UCENSE 14 15 l 0 l NuustR 0 l 0 l -l 0l 0 25l@l284 l 1 l1 l1 l1 l@l$7 CAT uCENSE TYPE JO l [g 54 j

CON'T '

Lo [1 l 1*C$ 60dl o l s lo lo lo l 2 l 4 l 9 @l1 1013 l0 l 8l 1 h l0 l1 mEPoAT l2 l8D ATE l 8 l 280l@

7 8 61 DOCKET NUM8ER 68 69 EVENT Q ATE 74 75 EVENT OESCRIPTION AND PROBA8LE CONSECUENCES h  !

g o lal l As Rx Bldg. to Torus Vacuum Breaker Surveillance DIS 1600-3 was being performed during i g g normal unit operations, Reactor Building to Torus Vacuum Breaker Valve 1601-20B failed j

,g,,, , to open. The 1601-20A valve was immediately proven operable. Although.the 1603-20B l

, valve did cycle properly af ter its operator was jarred, it again failed on 11-2-ilt and  ;

was locked closed per Tech. Spec. 3.7.A.3.b. Minimal safety significance since the re- g

, dundant valve was operable during both events. There was no danger to the public health ,

and safety. Similar occurrence reported on Docket #50-237 by R.O. 78-54.

7 8 9 80 Co E OE SUS E COMPONENT Coot SuecoO'E su E lolgl 7 8 9 l S l A j@ lE l@ l A l@ l Vl Al L lV l0 lP l@ W@ ]@

to 11 12 13 18 19 20

,,,, SEQUENTfAL OCCURRENCE REPORT REVISloN t,E ,, n o EVENT YEAR REPORT No. CooE TvrE No.

@ RE l8 l1 l l-l l0 l3 l5 l l/l l0 l3 l lX l l-l l1 l

.. ,,,21 22 23 24 28 27 28 29 30 31 32 EN AC oP r MET o HoVR$ 22 38 ITT Pom S. U WAN P RER Ql34Zl@ l ZQ 23 25 W@

26 l 0l 0l 0l ul 37 l41N l@ lY l@ lNl@ lV l0 l9 l5 l@

40 42 43 44 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS @

lijnij The cause was found to be a failed Versa solenoid (number YGS-4522 U-3BC-10F-31). The I l

i,,,,g solenoid was replaced and the vacuum breaker was then tested to verify proper operation. I y Examination of the failed solenoid showed that its plunger had seized. No further cor- g

, y rective action was deemed necessary. g ii 1411 I 7 s 9 80

% POWER oTHER STATUS I RY Ol$CoVERY QESCRIPTIoM

,i1 i s l lE l@ l0 l6 l4 l@l N/A l l B l@l4s Routine Surveillance l 7 a i 12 is a de so CEtaAst LOCATION OF RELEASE @

lt l 6 l l Z l @o or RELEASE]Ql AMoUNTor N/A ACTIVITY l

N/A @l l

• EMsoNNEL ExposudEs

• NuMeER Type l1 l* 7l l0 l0' l0* l@lZl@lcEsCRIPTfoN

N @ /A

• l PERsce.NE L'iNJu' Ries NUM8ER CESCRtPTioN l1 jal l0 l0 l0 l@l N/A l 7 8 3 11 12 PQ LoS3 op om CAMAGE To PACIUTY TvPE DESCRIPTION I1 l 9S l9lZ l@l10 N/A l l 7 60 glJ lNISSUEf@l ESCRt*TfoN N/A l l ll ll lll1ll l1l{ ,

7 8 9 to 68 69 50 3 8202250117 820128 Rob Whalen PuONE. 815 04' 9070- v m- E, PDR ADOCK 05000249

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S PDR._. _ - _. _ - - - - - -_ - ___

. SUPPLEtiENT TO DVR

• DVR 110. .

STA UtilT. YEAR NO.

. D - 12 -

3 -

81 - 71 l PART I l TITLE OF EVENT Rx Building to Torus Vacuum Breaker 3-1601-20B, Failure to Open 10-30-81 1135 DATE TIME REASON FOR SUPPLEMEt4TAL REPORT Results of further examination and testing of the failed Versa solenoid are add res s ed ...

PART 2 l ACCEPTANCE BY STATION REVIEW R . . . . .s (t/

DATE %llLl82.- $~/{n-$y' Y SUPPLEttENTAL REPORT APPROVED AllD AUTHORIZED FOR DISTRIBUT10ll 7!IL STAT 10t[/SUpit!TENDENT DATE I

I

_l

CUPPLEMENT TO DVR DVR NO. .

STA UtilT. YEAR NO.

D- 12 - 3 81 - 72 PART I l TITLE OF EVENT Rx Building to Torus Vacuum OCCURRED Breaker 3-1601-20B, Failure to Open 11-02-91 0705 REASON FOR SUPPLEMENT 4L REPORT Results of further examination and testing of the failed 7ersa solenoid are addressed.

PART 2 l ACCEPTANCE BY STATION REVIEW k '

kff DATE u2/ //o/ f2.__. M-/d-tfy SUPPLEMENTAL. REPORT APPROVED AND AUTHORIZED FOR DISTRIBUTION

[

/L/d1 t b 2 7 7-STAT 10.$5;y@lNTENDENT DATE G

I l

i:

I l'

(M DEVIATION REPORT E*50SESRru-23-81 ov R NO.

CC5Gl0nwealth Ed.ison -

STA UNIT YEAR N O.

D 3 71 Pani 11 Tl TLE OF DEV!ATION OCCU RRED Rx Building to Torus Vacuum Breaker 3-1601-20B Failure to Open 10-30-81 1135

^ CATE TIME SYSTEM AFFECTiI PLANT CONDITIONS TEST;NG 1600 Primary Containment MODE Fun pwatuwT) 1611 496 Q

, LOAD (MWE) YES NO DESCRIPilON OF EVENT During DIS 1600-3 Surveillance, 3-1601-20B (Rx Bldg. to Torus Vacuum Breaker) failed to open.

Upon investigation by Shift Foreman, Solenoid Valve found to be very hot to touch and after 2 _ tapping on Wrsa solenoid valve, 3-1601-20B valve opened. -

DESCRIPTION OF CAUSE Suspect Wrsa solenoid valve hanging up oreventing proper air flow to air operator.

OTHE R AP."LICABLE I NFORMA 78 0% '

During time of occurrence. Fi601-20A valve was operable (T.S.3. '. A.3 Reference) . 3-1601-20B cycled four (4) times satisfactorily after Versa svlenoid valve we tapped.

EQUIPMENT C YES DR NO. WR NO.

FAILURE Bob. Herbert 10-30-81 O NO N/A 16647 *ESPONSIBLE SUPf eVISOR DATF PART 2 l OPERATING ENGINEERS COMMENTS The 3-1601-29 valve was immediately tested and proven operable.

TYPE OF CEVI ATION SAFETY-EVENT OF POTENTI AL TECH SPEC NON-REPORTABLE ANNUAL RELATED REPORTABLE OCCURRENCE PUBLIC INTEREST VIOLATION OCCURRENCE REPORTING *R ISSUED 14 DAY 10CFR21 YES X YES

' ^ '

30 DAY 6. .B. .b ~

REPORTABLE CCCURRENCE ACTION ITEM NO. PROMPT ON-SITE NOTIFICATION NUMBER R. M. Ragan 11-2-81 0800

CCX 81 - 35/03X-1 TITLE DATE TIME

- ~ ~

TlTLE CATE TIME

~ ~'

I.I THOUR NRC NOTIFICATION PROMPT OFF-SITE NOTIFICATION TPH N/A F. Palmer 11-2-81 1419 REGION 1II DATE TIME TITLE DATE TIME

~~ --

TGM N} _

REGlod IiI & COL DATE TIME TIT 1.E_ _ _, DATE_._. _ _ TIME __,q RESPONSI BLE COMP ANY OFFI CER INFORMED OF 10CFR21

+ TITLE DATE TIME ;-

~ ~~-]~CONDI Tl ONS AND TH8"' R RERORT TO N PC __

REV1 EW AND COMPLETED Michael Wright 11-2-8.1 OPERATING ENG 6 Nf td DATE CEP BY STATION REVIEW p -

DATE -

RESOLUTION APPROVED AND M @ O  ?

AUTHORIZED FOR DISTRIBUTION SpT i g SUP ER I N TEND ENT DATE 86 9176 10-77 (FOsu 15-11-9)

/' N

/ -? DEVIATION REPORT iDC7 REVISED REPORT PREVIOUS REPORT 11-23 81 l

DvR No.

Commonwealth Ed.ison -

STA UNIT YEAR NO.

a 3 7 2 PART ll TI TLE OF DEVI ATICN OCCU RRED Failure of Rx Bldg. to Torus Vacuum Breaker (3-1601-20B) to Open 1;-02-81 0705

~9 ATE TIME SYSTEM AFFECTED PLANT CONDITIONS TESTING 1600 Primary Containment goog Run p,,,y ,73 1592 486

, to,o(ywg)

DESCRIPilON OF EVENT

% .a result of the recent failure of Rx Bldg. to Torus Vacuum Breaker 3-1601-20B to open,

. an attempt was made to varify valve operability. Upon attempt to open Vacuum Breaker

.- from the Control Room, the valve would not open.

DESCRIPTION OF CAUSE Provfous failure recuired Versa solenoid valve to be tapped in order to get valve to

,ne,+n. 9,, c n n c ,- een cwen.

OTHER APPLICABLE INFORMATION 3-1601-20A valve verified to be operable. 3-1601-20B entered in degraded equipment log.

3-1601-20B to be locked closed per Tech. Specs.

EQUIPMENT C YES OR NO. WR NO.

FAILURE Bob Herbert 11-2-81 O NO N/A' 16647 REsPONSIBt.E SUPEevlSOR DATE PART 2 l OPERATING ENGINEERS COMMENTS The 3-1601-20A was tested and proven operable, the 3-1601-20B valve is being restrained (locked) in the closed position per Tech. Spec. 3.7.A.3.b. -

TYPE OF DEVIATION SAFETY-EVENi OF POTENTIAL TECH SPEC NON-REPORTABLE ANNUAL RELATED REPOe7ABLE OCCURRENCE PUBL'C INTEREST VIOLATION OCCURRENCE REPORTING WR ISSUED IOCFR21 14 DAY YES] YES ]

30 DAY [,k,h,yiON NO NO REPORTABLE CCCURRENCE ACTION ITEM NO. PROMPT ON-SI TE NOTI FICATION NUMBER Combined with R. M. Ragan 11-2-81 0800 l 25Cf 81-35/03K-1 TlTLE DATE ~ TIME

-~ (DVR 12-3 81-71) -

TITLE DATE TIME

~

24-HOUR NRC NOTIFICATION (courtesy) PROMPT OFF-SITE NOTIFICATION TPH Tom Tongue 11-2-81 0730 F. Palner 11-2-81 _ 1419 ,

REGION til DATE TIME TI TL E DATE TIME

~ -~

TGM - _ . - ..

REGION III & DOL CATE TIME TITLE DATE TIME RESPONSI BLE COMP ANY OFFI CER INF0FNED OF 10CFR21 i

_ {0NDITlONS AND THEf R DEAORT TO NPC

• TITLE DATE TiML REVI EW AND COMPLETED Michael Wricht 11-2-81 l OPERATING ENGINE,ui DATE l ACCEPTANCE BY STATION REVIEW AS REOUIRED N g-p . ';

3'} Mfr l DATe W //6/32_ -

RESOLUTION APPROVED AND W AUTHORIZED FOR DISTRIBUTlON '

STpONSUPERINTENDENT DATE

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