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22PACIFICFISHERIESREVIEWspecialsupplementtoJuLY2012Fishermenx19snewsOPERATIONSQWhatdoyoumeanx1cx16oreverx1dsystemTheonlypipingmaterialthatIcanthinkox16thatwillnotcorrodeinarex16rigerationenvironmentisstainlesssteel.Soundsexpensive.AStainlesssteelrex1brigerantpipingYouarecorrect.SoundsexpensiveItisexpen-sivex1borthemechanicalcontractortosetupaprogramx1bororderingandweldingbutoncesetupthereshouldbenodix2er-enceininstallationcoststothecustomernotinthecurrentmetalsmarket.Terearesomeimmediatesavingsinsystemcleanlinessandx1buturesavingsinthatthepipingistheretostay.QHowcanitbethatstainlesssteelpip-ingwouldcostthesameascarbonsteelEverythingthatIpurchasex16ormyx1shingboatthathasastainlesssteeloptionismuchmorecostlythanthecarbonsteelmodel.FurthermorewhenIbuymaterialstocksox16angleironfatbarandsquaretubex16oraconstructionprojectonmypro-BuildingaNewRefrigerationPlantSpecifyStainlessSteelPipeByRickGreenquistindustriAlrefrigerAtionplAntstendtoremaininplacex1boralongtime.Astechnologychangesdix2erentcompressorsdix2erentevaporatorsandotherdevicesgetinstalledonthesamepipingsystem.Telaborandexpensethatyouputintothatpipingsystemoughttostaywiththatsystemx1boreverx13correctHoweveralltooox1btenpipingischangedoutasx1brequentlyascompressorsbecauseox1bcorrosionx13especiallyonpipeswheremoisturecollectsunderneaththeinsulation.Teproblemisespeciallycriticalinmarineinstallationswherecorrosionx1bromseawatertendstolimitthelix1bespanox1ballequipment.Tesecondmajorissuewiththepipingselectiononnewrex1brigerationsys-temsisthecontaminantsthatcomewithnewpipex13millscalerustandvarnishx1bromthepipemanux1bactureraswellasdustandgritthatcomesx1bromimproperhandlingax1bteritleavesthemill.Someox1bthelargerparticlesbecometrappedinstrainersbuttherestox1btheabrasivedustendsupwearingdownvalvepartsrex1brigerantpumpsandcompressors.Tenetresultisthatthesecontaminatescir-culateinthesystemx1bordecadesshorteningthelix1beox1btheexpensivenewequip-mentconnectedtothepipingsystemaswellasx1buturereplacementequipment.Whatix1byoucouldinstallacleancorrosion-x1breepipingsystemx13asystemthatwasspotlesslycleanintheinsideandwouldneverrustontheoutsidex13evenonashipboardinstallationIsthispossibleBex1boreyoumakeacontractx1bortheinstallationox1banexpensiverex1brigera-tionsystemyouneedtotakesometimetobecomeeducatedonhowtogetthemostx1boryourmoney.Herearesomex1brequentlyaskedquestionsthatwillhelpputyouinchargeox1btheinstallationandgiveyouax1cx1boreverx1dsystemthatwonx19tcorrodewonx19tbetheobjectox1bsax1betyinspectionswonx19tbethecauseox1balawsuitresultingx1bromacatastropheassociatedwithrustyrex1brigerantpipeswonx19tcarrycontaminantsandgrittowearoutyoursystemandwonx19tcostyouapennymoretoinstall.cessorthesamedimensionsinstainlesssteelcostax16ortune.Idonx19tgetit.Ax13ruepoundx1borpoundstainlesssteelismorecostly.Howevertherearethreedis-tinctareasthatwillox2setthecostmate-rialprocurementpipepreparationandwarranty.Inotherwordsix1byoulookatthewholeprocessthefnalprojectcostsareaboutthesameandthecustomer-x1borthesameprice-getsaspotlesslycleanfnelycrax1btedx1cx1boreverx1dsystemwithcon-nectedequipmentthatwilloutlastany-thinginstalledinacarbonsteelsystem.QThatisveryinterestingx13butIdonx19tquiteseehowx1cmaterialprocurementpipepreparationandwarrantyx1dcanmakeastainlesssteelsystemcostthesameasatraditionalx1cblackironx1dsystem.Forexam-plehowdoesx1cmaterialprocurementx1dplayintotheequationAWellletuslookathowoneselectspurchasesandstockspipeonatypi-caljobpipingincarbonsteelrequiresschedule40x1borsomepartsox1bthesystemschedule80x1borotherpartsandspecialgradesx1borpipingthatwilloperateintemperaturesbelowminus20F.Tereisasubstantialadministrativeandengineer-ingcostx1bormanagingmultiplegradesandtypesox1bpipeandthereismorewasteinunusedends.Furthermorethereisacostx1borerrorsInadvertentlyinstallingthewrongpipesegmentrequiresthecostox1breworkandix1bnotdiscoveredcanresultinadeadlyincidentyearslater.Howeverwhatix1byouhaveagradeox1bstainlesssteelpipethatcoversallox1bthepressureandtemperaturespecifcationssatisfesthecoderequirementsandmeetseverythingrequiredbyhonestdue-diligenceWillthelowercostox1bengineeringpurchas-ingandjobsitematerialsmanagement