ML17252A223
| ML17252A223 | |
| Person / Time | |
|---|---|
| Site: | Dresden  |
| Issue date: | 10/12/1976 |
| From: | Stephenson B Commonwealth Edison Co |
| To: | James Keppler NRC/RGN-III |
| References | |
| BBS76-724 | |
| Download: ML17252A223 (3) | |
Text
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. Common4h Edison,
, Dresden Nuclear Power Station R.R. #1 Morris, Illinois 60450 Telephone 815/942-2920
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BBS Ltr. #76-724 October 12, 1976 Mr. James G. Keppler, Regional Director Dir,e4::'..torate of Regulatory Operations - Region III U. S.. Nuclear Regulatory Commission 799 Roosevelt Road Glen Ellyn, Illinois 60137 Mall Section Dodat Cle~
Enclosed please find Reportable Occur~ence report number 50-249/1976-15.
This report is being.submitted to your office in accordance with the Dresden Nucl~'r Power St~tion Technical Specifications, Section 6.6.B.
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L-If. B. Step he son
- Sta_tion Superintendent Dresden Nuclear Power Station
,, Bas;jo Enclosure cc:
Director of Inspection & Enforcement Director of Management Information & Program Control F,ile/NRC 10519
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A LICENSEE EVENT REf".DR *
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. (PLEASE PRINT ALL REQUIRED INFORMATION)
'LCENSEE NAME
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8 9 14 CATEGORY REPORT TYPE.
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LICENSE NUMBER IOlOl-IQIOIOIOIDl-IOIOI 15 25 LICENSE TYPE lf.flJltllltl 26 30 EVENT TYPE 10131 31 32 REPORT*
SOURCE DOCKET NUMBER EVENT OATE REPORT DATE
@DJ CON'T I I I lhJ LbJ IOISIOl-IOl~ILfl9 I 1019111~171"1.1110111~171"1
- 7. 8 57 58 59 60 61 68. 69 74 75 80 EVENT. DES.CRIPTION
[§lfil *1 ])U/Q.1NG-A ROUTtJJ~ PLANT INSPECTION,. A STEAM "-EAi<. WAS FOUND IN AN I 7
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- 10131 !ELBOW ON TH~ ""9 11 mo1STURE SE:PARATOB. DRAIN TANK LINE. TO THE "D F"E:~D~I 7 ***:0*9 * *
- so lohil;I WATER. HE: ATE RS, TH£ UN tT WAS }>LACED t.N 11 STANDBY 11 AND A Tt::m Po"R.ARY RE - I 7 *as 00
@15) I-PAIR. WAS INITIATED. AJ...L l-£AKA&£ WAS C..OTVTAINED lrJ THE -PLANT 'DRF:\\IN SYSTEM, I 7
8 9 80 lolsl )THE:"~EBY 'PRECl.tJDJNG-ANY UNCONIRO&L.£.D REL~AS. THl5 15.NOT A R£PETlllV£. EVJZNT.
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PRIME (50"-::.;i.'-IC)jiCJ?. l,- IS) 80 SYSTEM CAUSE COMPONENT COMPONENT CODE CODE COMPONENT CODE SUPPUER MANUFACTURER VlOLATlJN
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47 48 CAUSE DESCRIPTION
- ~ I A '$URGE IN THE 'PROc.£S$. STR£'AM 'RESUJ...IED 1*N ii-IE TA1LU.RJ;.* OF A SVPP.OR.T 'BCl.T'ONI 7
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~ACllrTY METHOD OF (S££ ATTAC.UE D SNECT): 00 S'rATUS
'l(, POWER OTHER STATUS OISCOVERY OISCOVERY OESCRIPTiON EI~l L§J I Ol.7 I 5 I I tJA lliJ
'NA I
7.* 8 9
10 12 13 44 45 FORM OF ACTIVITY CONTENT 46 80
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- RELEASED OF RELEASE AMOUNT OF ACTIVITY
[§ IZJ.. l£J
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N_A __
~ I LOCATION OF RELEASE NA..*.
7 8
9 10 11.
44 45 80
-PERSONNEL ExPOSURES
- NUMBER TYPE DESCRIPTION
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8 9 11 12
. 13 NA 80
. PERS'ONNEL. INJURIES NUMBER OESCRIPTION ffE) 101010 I...__ __
N_A ____________________
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. OFFSITE CONSEQUENCES EE*
NA 7
8 9 80 l,OSS. OR DAMAGE TO FACILITY TYPE
- OESCRIPTION
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8 9 10 80 PUBLICITY
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NA 7
8 9 80 ADDITIONAL FACTORS
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89 80
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7 89 NAME:_C=*...:..." _E......;;._S_A_R._G-_E_AJ_T ____ ~-- PHONE: £XT 80
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CAUSE DESCRIPTION (Continued) the process-pipe-in the area of the attachment weld.
The crack was ground and covered with* weld material as a temporary repair.
The affected area was permanently repaired during the current refueling outage.
This section of piping has occasionally experienced system surges and oscillations.
Addition*a1 res.train ts were already scheduled f6:i:- installation before the failure occutred.
Installation of these additional shock iuppression devices should preclude i recurrence of this nature.
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