ML17208A554

RO 335-80-17:on 800428,cracks Were Found to Occur at Same Location on Stainless Steel Socket Welded Elbows During Installation in Secondary Sys.Caused by Defective Fittings. All Identical Fittings Were Inspected & Found Satisfactory

ML17208A554
Person / Time
Site:	Saint Lucie
Issue date:	04/29/1980
From:	WETHY C M FLORIDA POWER & LIGHT CO.
To:
References
REF-PT21-80-226-000 NUDOCS 8005080344
Download: ML17208A554 (3)

Text

REGULATORYIRMATIONDISTRISUTIONSYST.(RIOS)ACCESSIONNBR:8005080344DOC~DATE:80/04/29NOTARIZED:NOFACIL;50335St..LuclePlantgUnit1gFloridaPower3LightCo~AUTH~NAME,AUTHORAFFILIATIONWETHYECAM,FloridaPower8LightCo.RECIP~NAMERECIPIENTAFFILIATIONDOCKET¹05000335

SUBJECT:

Ro3358017:on800428qcrackswerefoundtooccutatsamelocationonstainlesssteelsocketweldedelbowsduringinstallationinsecondarysys~Causedbydefectivefittings,AllidenticalfittingswereinspectedLfoundsatisfactory.DISTRIBUTION.CODE:AOOESCOPIESRECEIVED:LTRgENCL9SIZE:~TITLE:IncidentReportsNOTES~ee>>~m~eneesoeeyweaee>>~>>~>>RECIPIENTIOCODE/NAMEACTION:OSBOEDgB%gINTERNAL!0E0ILE14TA/EDO16EES18PLANTSYSBR20ADPLANTSYS?3ENGRBR25PHRSYSBR27OPERALIC'R29AUXSYSBRAEODDOUGMAYTERAJORDANpE~/IEEXTERNAL:03LPDR29ACRSCOPIESL'TTRENL4,1211111111101111161RECIPIENTIDCODE/NAME02NRCPOR11MPA15NOVAK/KNIEL17ADFORENGR19I8CSYS.BR22REACSAFTBR24KREGER26AD/SITEANAL28ACDENTANLYSAD/ORP>>OORBERLINGERPC~HANAUERpS~04NSICCOPIESLTTR,ENCL131111111138)cogTOTALNUMBEROFCOPIESREQUIRED:LTTR61ENCL

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Subject:

'll'0FOP.FACS3,'Ill8T~4V.'S)IISSTGXTOCG"I'IPf10CrRPAPT21I'110llPTIIEPOaTAVa.EOCCIZal:::CE335-80-17CrackingIn1/2"Schedule40StainlessSteelElbowsEvent:Tltisme~oistoconfi~atelephonecallonApril28,1980t:o'.fr..St:eveZlradafyourofficeOnApril28,1980,uponperformanceofliquidpcnet:rante~a-;ninationofScltedule401/2"stainlesssteelA5"oclt:veldedelba;rsbeing,in.tailedinasecondarysystem,cracksfrerefoundtohaveoccurredatapprozinatelyt:hesar.'elocationineacl>fittin;;.Investigationoftheinczdentdeterminedthattl]efittings~ereprc-curedtoAS!ISection.IIICla"'require~entsandverereceivedMithappropriatecertlficatidnsdatedinAugust]974franStandardI'ittfngsCo.panyofOpelousas,Ja.Thefitt:ingsoft:hiheat:appeartobcdefectiveinthatalJthreeofthefitt:ingsreceivedfranlteatcode,1PL,heatnu>br.rP20300crackeduponintal]ati,nn.Tuna."thethreefittinofanotherheatcodeandheatnumberprocuredatthesa-,etjoevereinspectedardinherefoundtabcacceptable.Thet:hirdis~inaccessibleThiseventisrepartablcinthat:thematerialvhichwasprocuredta*.AS'.fESect:ionIIICla's2requirementscouldhavebee6installedinsafetyrelatedsystems,t:hecrackingappearsta'begenric,andthe"liquidpenetrantera-.inationcauldhavefailedtorevealt.hecracking.CorrectiveAction:Asnotedabovp,idonticalfittingsofadifferentheatprocuredatthe.sametinevereinspectedardfoundtobesatisfactory.Itttasdeter-'inedthat.St.luciaUnithasno'-at:herfjt~tinftsofthequestionableheatansi.tc.St.LucicIJnit2andTurkeyPointUnits3and4Millbenotifiedofthisevent.C.11.Ik:thy'Plant)fanagcrSt.LucicPlantQII4/B.'IP:cs'rgoo~5.r/o