ML17266A247

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Responds to NRC 800623 Ltr Re Violations Noted in IE Insp Rept 50-389/80-08.Corrective Actions:Cement to Sand Ratio Clarified & Instructions Were Provided for Placing sand-cement Fill
ML17266A247
Person / Time
Site: Saint Lucie NextEra Energy icon.png
Issue date: 07/24/1980
From: UHRIG R E
FLORIDA POWER & LIGHT CO.
To: OREILLY J P
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML17208A918 List:
References
L-80-235, NUDOCS 8008220111
Download: ML17266A247 (3)


See also: IR 05000389/1980008

Text

P.o.BOX529100MIAMI,FL33152"OJgL3FFLORIDAPOWER&LIGHTCOMPANYJuly24,1980L-80-235Mr.JamesP.O'Reilly,Director,RegionIIOfficeofInspectionandEnforcementU.S.NuclearRegulatoryCommission101MariettaStreet,Suite3100Atlanta,Georgia30303DearMr.O'Reilly:Re:RII:JHSt.Lucie-Unit2DocketNo.50-38980-08FloridaPower8LightCompanyhasreviewedthesubjectInspectionReportandourresponseisattached.Thereisnoproprietaryinformationcontainedinthereport.Verytrulyyours,RobertE.UhrigVicePresidentAdvancedSystems8TechnologyREU/JRP/ahAttachmentcc:HaroldF.Reis,EsquirePEOPLE...SERVINGPEOPLE

RII:JRH50-389/80-08Infraction:Sand-CementFill-ProcedureInadequateAsrequiredbyCriterionVofAppendixBto10CFR50,andasimplementedbyFloridaPower8LightCompanyPSARSection17.1A.5,"Activitiesaffectingqualityshallbeprescribedbydocumentedinstructions,proceduresordrawings....andshallbeaccomplishedinaccordancewiththeseinstructions,proceduies,ordrawings."ParagraphTgR5.1oftheTopicalgualityAssuranceReportstates,"Activitiesaffectingqualityofnuclearsafetyrelatedstructuressystemsandcomponentsshallbeprescribedbydocumentedinstructions,proceduresordrawingsofatypeappropriatetothecircumstancesandshallbeaccomplishedinaccordancewiththeseinstructions,proceduresordrawings.Thesedocumentsshallincludeappropriatequantitativecriteriasuchasdimensions,tolerancesandoperatinglimitsandqualitativecriteriasuchascomparativework-manshipsamplestoassurethatthequalityassuranceactivityhasbeensatisfactorilyaccomplished.Contrarytotheabove,sand-cementfillactivitiesinthedieselgeneratingbuildingarenotbeingcontrolledadequatelyinthatproceduredrawingsandinstructionsarenotclearastowhetherthestated1to20ratioofcementtosandisbyvolumeorweight,waterandcompactionsrequirementsarenotspecific,amountsofingredientsinthemixarenotdocumented,andtestdataverifyingdesignrequirementsarebeingmetarenotavailable.~Resonse:FloridaPoweraLightCompanyhasevaluatedthefindingandsubmitsthefollowingresponse.DuringthisinspectionDCN513.822wasissuedtoclarifytheratioofcementtosandandtoprovideinstructionsforplacingthesand-cementfill.Inaddition,ConstructiongualityControlsampledamixwiththesamemixpropertiesusedattheDieselGeneratorBuilding.Five6inchdiameterby12inchhighcylinderspecimenswereprepared.Themixwas20:1byvolume.Eachspecimenwaspreparedbyfillingthecylindermoldinsixinchlifts,sprinklingthesurfacelightlywithwaterandtampingtoapproximatethecompactingeffortsappliedinthefield.Thefirstsamplespecimenwastestedatsevendaysandreached1110psi.Thetwenty-eightdaystrengthcylindersaveraged1310psi.Al']correctiveactionsforthisinfractionareconsideredcomplete.