ModellingSpecialInterestGroupNATIONALMODELLINGGUIDELINESWASTEWATERNETWORKMODELLINGDraftVersion01Revision05–April2009PrefaceThisdocumentconstitutesdraftVersion1Revision5oftheWaterNewZealandNationalGuidelinesModule1:WastewaterModellingGuidelines.Version1Revision4waspublishedinSeptember2008.Version1Revision3waspublishedinJune2004.Version1,Revision2wasreviewedbyWaterNewZealand.Version1,Revision1wasreleasedforindustryconsultationinthesummerof2003/2004AcknowledgmentsItisacknowledgedthatanumberofindividualshavegivenuptheirtimeandresourcesintheproductionoftheseguidelines,sincetheirinceptioninthesummerof2003/2004.OnbehalfoftheWaterNewZealand,ModellingSpecialInterestGroup,theircontributionisrecognisedandgreatlyappreciated.Furtherinformationonthesedraftguidelinesisavailablefrom:WaterNewZealandPOBox1316Wellington©WaterNewZealand,Reproduction,adaptationorissuingofthispublicationforeducationalorothernon-commercialpurposesisauthorisedwithoutpriorpermissionoftheWaterNewZealand.Reproduction,adaptationorissuingofthispublicationforresaleorothercommercialpurposesisprohibitedwithoutthepriorpermissionofWaterNewZealand.DisclaimerWhiletheModellingSpecialInterestGroupofWaterNewZealandhaspreparedtheseGuidelinesingoodfaith,exercisingallduecareanddiligence,neitherWaterNewZealandorindividualmembersoftheModellingSpecialInterestGroup,ortheiremployers,giveanyrepresentationorwarranty,expressedorimplied,astotherelevance,completenessorfitnessofthisdocumentinrespectofanyparticularuser’scircumstances.AllusersoftheseGuidelinesshouldsatisfythemselvesconcerningitsapplicationtotheirsituationand,wherenecessary,seekexpertadvice.WaterNewZealandWastewaterNetworkModellingGuidelinesVersion1Revision5Page3April2009TableofContents1Introduction..............................................................................................................41.1GenericModellingProcess.............................................................................................................52InitialPlanning.........................................................................................................62.1KeyDrivers.....................................................................................................................................62.2Objectives.......................................................................................................................................72.3ModelAttributesandBenefits.........................................................................................................92.4DataandOtherRequirements......................................................................................................112.5AssetDataRequirements.............................................................................................................123StaticDataAcquisition..........................................................................................153.1GeneralAssetData......................................................................................................................153.2ManholeSurveys..........................................................................................................................163.3PumpStationData........................................................................................................................183.4OperationalData...........................................................................................................................193.5Growth(Population)Data.............................................................................................................193.6CCTVSurveys..............................................................................................................................204TimeVaryingDataAcquisition.............................................................................224.1FlowandRainfallSurveys............................................................................................................224.2Implementation.............................................................................................................................225ModelBuild,TestAndCheck...............................................................................275.1SoftwareSelection........................................................................................................................275.2ModelBuild...................................................................................................................................276ModelValidation....................................................................................................306.1LevelofValidation........................................................................................................................306.2GroundTruthCheck.....................................................................................................................306.3CalibrationandVerification........................