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1、108NOTESTheredocumentsareshipbuildingqualitystandardimplementedbyouryardpresently.TheyconsistoftwopartslikeQUALITYCONTROLTHROUGHPRODUCTIONandCONSTRUCTIONACCURACYTakenasamainbasisfortheshipbuildinginouryard,thisconstructionaccuracyismadeaccordingtotheshipbuildingqualitystandardinad
2、vancedshipbuildingnations,internationalconventionsaswellasrulesandregulationsofsomewell-knownclassificationsocieties.Forthispurpose,werequire:1.detailedworkmanshipanddrawings,ifnootherspecificrestriction,complywiththerespectiverequirementsstatedinthisSTANDARD.Incaseofdifference,th
3、isSTANDARDshallgovernall.2.shouldtherebesomeitemsinthenewbuildingcontractortechnicalspecificationofhigherrequirementthanthisSTANDARD,theseitemsshouldberegardedasanexceptionandperformedaccordingtospecificrequirementotherwiseannounced.108CONTENTSPART1QUALITYCONTROLTHROUGHPRODUCTION1
4、STEELMATERIALANDPROCESSING………………………………………61.1Steelmaterial……………………………………………………………………..61.2Steelprocessing…………………………………………………………………...62FIXINGANDASSEMBLING……………………………………………………72.1Fixingandassemblingofpartsandmembers………………………………….…72.2Blockassembling…………………………………………………………………73WELDIN
5、G……………………………………………………………………….83.1Preparationbeforewelding……………………………………………….………83.2Weldingprocess………………………………………………………………….83.3Weldinginspection……………………………………………………………….83.4Keypointsofqualitycontrol……………………………………………………..94TIGHTNESSTEST………………………………………………………………..95FABRICATION,FIXING
6、,TIGHTNESSTESTINGANDFLUSHINGOFPIPES………………………………………………………………………………105.1Fabricationofpipes………………………………………………………..…….105.2Fixingofpipesandfittings…………………………………………………….115.3Tightnesstestingofpipingsystem……………………………………………....125.4Flushingofpipes…………………………………………………………………126PAINTING……………
7、…………………………………………………...………136.1Pre-treatmentofsteelsurface……………………………………………………136.2Shopprimertouch-up………………………………………………………….....136.3Secondaryderustingandsurfacecleaning…………………………………...….136.4Paintingwork…………………………………………………………………..137HULLOUTFITTING……………………………………………………………137.1Pre-ou
8、tfittingofshipequipment…………………………
