20180722智慧水务资料包06漏损控制利用先进的卫星图像和地理信息系统重新考虑泄漏检测最

UtilizingAdvancedSatelliteImageryandGIStoRe-thinkLeakDetectionTheWaterLossProblem•Agingwatersystems•650watermainbreakseverydayintheUS(AWWA)•“Non-RevenueWater”▪16%ofpotablewaterlosteveryday▪Upto75%isrecoverable•Replacementeffortsareexpensive•Roleofleakdetectionservices1.Thornton,J.,Sturm,R.,Kunkel,G.,WaterLossControlManual(2ndEdition),McGraw‐Hill,2008.11CurrentStandardAcousticSurveyingMethodsExample:sectionofasystemthatwouldrequirefieldcrewstolistenonallsystemhydrants,followedbycorrelationonanysitesthatregisterednoise1,873milesofpipeSatelliteGuidedAcousticSurveyExample:sectionofasystemthatwouldrequirefieldcrewstoperformonlycorrelationonanysitesidentifiedbysatellitetechnology.Circles(orbuffers)indicateanareawhereleakplumewasdetected1,873milesofpipe42milesofpipe(withinbuffers)“Seeing”RatherthanListeningSatelliteunaffectedby:•Proximitytoleak•Pipematerial•Leakvolume•TechnicianlisteningskillsTechnologyOverview•PartnershipwithUtilisLTD.•Foundedin2013•BasedinIsraelwithglobalreachSatelliteSpectralImageAcquisitionRadiometricCorrectionsAlgorithmicAnalysisWeb-basedAppandIntuitiveUIFieldCorrelationDashboard&DataDeliveryWebmapProductionCriticalityAnalysisGeoprocessing&BufferGenerationSupportingCrewsintheField1.Real-timelocationfeedbackviaCollectorApp2.Overlayingclient-provideddataonwebmaps•Pipematerial/size•Maximizinguseoflisteningpoints3.DailyplanofactionImprovedDataCollectionaaaaaaaaaaOperationsDashboardStandardAcousticSurveySatelliteGuidedAcousticSurvey[Satellite+TraditionalAcoustic]1.16leaks/day/personUpto6leaks/day/personLeaksFoundperperson/dayNationalAverage1LeakFindingper2.5-3.7milesLeakDensityLeakspermileSatellite-guidedProgramAverage1LeakFindingper0.5MilesSurveyCyclelengthoftimeMonthlyMonthly,quarterly,yearlyoptions1-5yearsComparingStandardvs.Satellite•Entiresystemscanbesurveyedquickly•Surveydifficult-to-reachareas•Reduceleakruntimes•Priorityleakscanbetargeted•Keepnon-revenuewaterdown•Reducecarbonfootprint•MoreefficientuseofhumanandfinancialcapitalresourcesSummarizingtheBenefits•Entiresystemscanbesurveyedquickly•Surveydifficult-to-reachareas•Reduceleakruntimes•Priorityleakscanbetargeted•Keepnon-revenuewaterdown•Reducecarbonfootprint•MoreefficientuseofhumanandfinancialcapitalresourcesSummarizingtheBenefits•Algorithmcontinuestoimprove•Smallerbuffers•Terrainversatility•3Dmappingintegration•Combiningwithassetmanagementprograms–betterdata,betterresults•Informingnewleakdetectiontechnologies•InsightsforArcGIS•Analysisandpredictivemodellingopportunity•OntheflyprioritizationLookingtotheFutureAndrewFryDataAnalyst,[e-mail]502-795-3433ThankYouforListeningShaneMajetichManager,[e-mail]813-305-6610