ML17252A256

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Transmittal of Reportable Occurrence Report No. 50-249/1976-27
ML17252A256
Person / Time
Site: Dresden  Constellation icon.png
Issue date: 11/08/1976
From: Stephenson B
Commonwealth Edison Co
To: James Keppler
NRC/RGN-III
References
BBS Ltr. #76-785 50-249/1976-27
Download: ML17252A256 (3)


Text

---:-:;.-. __,

-e Commonwealtldison Dresden Nuclear Power Station R.R. #1 Morris, Illinois 60450 Telephone 815/942-2920 BBS Ltr. 1176-785 November 8, 1976

  • Mr. James G. Keppler, Regional Director Directorate of Regulatory Operations - Region III U. S. Nuclear Regulatory Commission 799 Roosevelt Road Glen Ellyn, Illinois 60137 Enclosed please find Reportable Occurrence rep.ort number 507'z°4.g{i_976-27.

This re~:ort is being ~ubmitted to your office in acc;:ordance with' the Dresden Nuclear'Power Station Technical Specifications, Section 6.6.B.

  • ~°M~

J~. B~ Stephenson

f. ~tation Superintendent .

Dresden Nuclear Power Station BBS :jo Enclosure cc: Director of Inspection & Enforcement Director of Management Information & Program Control File/NRC NOV 1 o 1976

.;;. _. * .ICENSEE EVENT REPORT** .

CqlNTROL BLOCK: 1_

1 I I I I I. I

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[PL.E PRINT ALL REQUIRED INFORMATION)

LICENSEE LICENSE EVENT NAME LICENSE NUMBER TYPE TYPE

@El lIIL IDIRISl31 10101-10101010101-10101 14 I I I t I f I I I 10131 7 B 9 14 15 25 26 30 31 32 REPORT SOURCE DOCKET NUMBER EVENT *DATE REPORT DATE lhJ lOl5IOl~IOl214lql l!IOIOl9*17101 I75l I I Io l;g-111 t, I 60 61 6B 69 74 . . 80 EVENT DESCRIPTION

@:@] I DuR.1.tJG- 'R.OUT1NG suRv£11-.1-ANC£ T£sT1NG- 1 srx ecsw pump VAULT 'PEAJE"- I 7 B 9 . .. BO 10131 ITRAllONs EXHIBITEf? DETEc..TABL£ LEAKAG-~* WHEN PRESSU~l2ED Ac:; }?£-I 7 .8 9 . BO 7

lol418 9I QUI R£j) .

ey TECH s PECS a AJ..,(HqlJG-H "THES P£NclR.krtONS LEAl<£D Wl1E.AI

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~- 'PR£S$Ul<.t~ED To APPBP'i.lrllAT£LY 7 8*9 IS" PSIG-} IT rs CONSIDERED £XTRcmELY BO I

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7 8 9

  • 10 CODE CODE 11 12 COMPONENT CODE IPIEIN'IEITIRI 17 SUPPLIER

~ 121'} ,q.,q, MANUFACTURER VIOLATION LYJ 43 ' 44 47 48 CAUSE DESCRIPTION lolsl I TH£ PENETRATION SE!tL F/1.tLUR.ES W£f<£ ATTR/8l>TED TO OPERADo.N'ALJ

  • rn 7

7 8 9 8 9 1 v1a-RAr10N. 1}1~ SIX 'PENE.T'RATIONS W£R£ RE.SEALED WITH SJJ....tCONE

.BO 80 I

IT@ SEALAT\fr PON SUBSE ueJT, RETES E PENE 'RAllONS

    • 7 8 9 80 FACILITY METHOD OF (SE£ ATT1lCH"ED SH£
  • STATUS 'J6 POWER OTHER STATUS DISCOVERY DISCOVERY DESCRIPTION EEl8 I.HJ Io I o I o I ......___.N._'.A_ ___.I lliJ I Nit 7 9 1.0 12 13 44
  • 45 46 80 FORM OF ACTIVITY CONTENT rn 7 8 RELEASED
  • 9

~

OF RELEASE 10 11 All,10UNT OF ACTIVITY

~I......__ _........,.M""'""""'.'4_ ___,I 44 45 NA

- . LOCATION OF RELEASE 80 PERSONNEL EXPOSURES NUMBER . TYPE DESCRIPTION IT@ 1010101 ~

7 .a. 9.

  • 1-1. 12
  • 13. BO

. PERSONNEL INJURIES NUMBER DESCRIPTION EEJ8 9.10 Id I 0111 Nit .

7 12 80 OFFSITE CONSEQUENCES

.[ili] M 7 B' 9 BO.

LOSS OR DAMAGE TO FACILITY TYPE DESCRIPTION

~-~ 80 7 8 9 10 PUBLICITY E01--__

7 8 9

  • =A1,~~_;__--'--~---'--------------~-----------=- 80 ADDITIONAL FACTORS

~ Nl'I 7 8 9 80

[iliJ 7 8 9 80 NAME: _ _,s....*...;..T_£__;..~_£_N_..;...w_._J.f_A_R-'-'R'-l_s_ _ _ _ _ _ PHONE: £x-r. J.'5' GPO 881

  • 667

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.....-.-_* . * ~-:* I '

'\ :\ *. ' .

EYENT DESCRIPTION (Continued)

..,~ac.tuaL:f:looding cond4:t-'ions;

  • Similar* leak* test failures have occurred in . the
  • pasL (50_:249/1976-27)

CAUSE DESCRIPTION (Continued) exhibited zero leakage;** No further action was indicated.

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