ML17325B102

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Revised Proposed Tech Spec Page 3/4 6-27,reflecting Deletion of Ice Condenser Flow Passage Insps
ML17325B102
Person / Time
Site: Cook American Electric Power icon.png
Issue date: 01/10/1989
From:
INDIANA MICHIGAN POWER CO. (FORMERLY INDIANA & MICHIG
To:
Shared Package
ML17325B101 List:
References
NUDOCS 8901190052
Download: ML17325B102 (2)


Text

ATTACHMENT TOAEP:NRC:0967M REVISEDTECHNICAL SPECIFICATION PAGE3/46-278q01i90052 85000Si5gqOii0>>RggOCKo@AUp SUITSContinued>

shal,l.,econsti"uted ofonebas~eteachfromRadialRows2,4,6.8and9(orromhesamero'wofanadjacentbayifabasketfromadesignated rowcannotbeobtainedforweighing}

withineachbay.Efanvbasketisfoundtocontainlessthan1220poundsofice,arepresentative sampleof20additional basketsfromthesamebayshallbewei,ghed.

Theminimumaverageweightoficefromthe20additional basketsandthediscrepant basketshallnotbelessthan1220pounds/basketata954levelof.confidence.

Theicecondenser shallalsobesubdivided into3groupsofbaskets,asfollows:Group1-bays1through8,Group2bays9through16,andGroup3-bays17through24.TheminimumaverageiceweightofthesamplebasketsfromRadialRows1,2,4,6,8and9ineachgroupshallnotbelessthan1220pounds/basket ata95%levelofconfidence.

Theminimumtotalicecondenser iceweightar,a95%levelofconfidence shallbecalculated usingallicebasketweightsdetermined duringthisweighingprogramandshallnotbelessthan2,371,450 pounds.~*3.Verifying, byavisualinspection ofa"leasttwoflowpassagespericecondenser bay,thattheaccumulation offrostoriceonflowpassagesbetweenicebaskets,pastlatticeframes,through,thei,ntermediate andtopdeckfloorgrating,orpastthelowerinletplenumsupportstructures andturningvanesisrestricted toanominalthickness of3/8inches.Ifoneflowpassageperbayisfoundtohaveanaccumulation offrostoricegreaterthanthisthickness, arepresentative sampleof20additional flowpassagesfromthesamebayshallbevisuallyinspected.

Iftheseaddi.tional flowpassagesarefoundacceptable, thesurveillance programmayproceedconsidering thesingledeficiency asuniqueandacceptable.

Morethanonerestricted flowpassageperbayisevidenceofabnormaldegradation oftheicecondenser.*

C.Atleastonceper40monthsbyliftingandvisuallyinspecting theaccessible portionsofatlease,twoicebasketsfromeach1/3oftheicecondenser andverifying thattheicebasketsarefreeofdetrimental structural wear,cracks,corrosion nrotherdamage.Theicebasketsshallberaisedatleast12feetforthi.sinspection.

  • Theprovisions ofSpecification 4.0.,6areapplicable.
  • "Theprovisions ofspecification 4.0.7areapplicable-0.C.COOK-UNIT13/46-27Amendment No.