ML20084Q833

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Telecopy Ro:On 730904,high Pressure Scram Pressure Switch Found to Have Setpoint Exceeding Limit for Operation PF-1-263-55A
ML20084Q833
Person / Time
Site: Quad Cities Constellation icon.png
Issue date: 09/05/1973
From: Kalivianakis N
COMMONWEALTH EDISON CO.
To: Grier B
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML20084Q832 List:
References
NUDOCS 8306140280
Download: ML20084Q833 (2)


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ItEFEREf!CE QUA0 CITIES t!UCLEAR POWER STATION DOCKET tl DPR29 APPENDIX A SECTI0t1 1 0.6.2 5.1 G.G.D.1 UHILE PERFont1ItJG 3

ROUTIt!E SURVEILLA!1CE CALIBRATION OF REACTOR PROTECTION 1975 A HIGH PRESSURE INSTRUi;ENTATIO!) O!! U!!IT ONE OU SEPTET 3 Ell 4 O

SCRAt1 PRESSURE SUITCit U AS FOU:!D 10 HAVE A SET POI I

LIMITING CONDITION FOR OPERATIOu PF1-265-55 A 0F D ARKSDALE l',0 DEL B2T Al2SF PRESSURE SWITCll l!AD DRIFTED TO A SET P010T OF WHICll IS CONTRARY TO THE 1CGO PSIG tuXIt'Uf1 REQUIREt'ENT OF M SWITCitES O

I-LF.1201(7jjil.1 0F THE GPECIFICATIONS ALL OTHER llIGH PRESSUP.E SCRA TRIPPED AT LESS THAN 1060 PSIG THUS THE UORMAL OPERATION

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THE PROTECTION SYSTEt1 WAS I;0T AFFECTED BY Tills AB00Rt AL OCCURAtlCE i

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UNITED STATES ATOMIC ENERGY COMMISSION 1

DIVISION OF COMPLIANCE

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PCGION lli S, ting, p 799 ROOSEVcLT HOAD GLEN ELLYN, ILLINots 60137 (sta) s5a-zeso i

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RO Inspection Report No.

Transmittal Date Distribution:

Distribution:

RO Chief, FS&EB R0 Chie f, FS&EB RO:llQ (5)

RO:llQ (4)

DR Central Files L:D/D for Fuel & Materials Regulatory Standards (3)

DR Central Files Licensing (13) e B.

RO Inquiry Report No.

Transmittal Date Distribution:

Distribution:

RO Chie f, FS&EB R0 Chie f, FS&EB RO:llQ (5)

RO:llQ t

DR Central Files DR Central Files Regulatory Standards (3)

Licensing (13)

C.

Incident Notification From:

Commonwealth Edison Co.

50-254 (Licensec & Docket No. (or License No.)

Transmittal Date September 10.1973 Distribution:

Distribution:

RO Chief, FS&EB R0 Chic f, FS&EB RO:llQ (4)

RO:HQ (4)

Licensing (4)

L:D/D for Fuel & Materials DR Central Files DR Centr l Files-

},[Ihg3331W0iV@i0 30!!0151 RO Files 9VllW k 03A13033

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