PJ LE ROUX , SOUTH AFRICAPJ LE ROUX , SOUTH AFRICAC I T Y O F C A P E T O W NC I T Y O F C A P E T O W N ESRI 2004ESRI 2004

The implementation of a Water GeodatabaseThe implementation of a Water Geodatabasefor the the City of Cape Townfor the the City of Cape Town

PJ LE ROUX , SOUTH AFRICAPJ LE ROUX , SOUTH AFRICAC I T Y O F C A P E T O W NC I T Y O F C A P E T O W N ESRI 2004ESRI 2004

TopicsTopicsTopics•• Introduction to the City of Cape TownIntroduction to the City of Cape Town

• History of Water Information Systems in the CityHistory of Water Information Systems in the City

• Driving forces for a Metropolitan wide integrated Driving forces for a Metropolitan wide integrated Spatially enabled Water Information Spatially enabled Water Information Management System Management System

• Summary of experiences & conclusionsSummary of experiences & conclusions

• Implementation of the City of Cape TownImplementation of the City of Cape TownWater Geodatabase ProjectsWater Geodatabase Projects

PJ LE ROUX , SOUTH AFRICAPJ LE ROUX , SOUTH AFRICAC I T Y O F C A P E T O W NC I T Y O F C A P E T O W N ESRI 2004ESRI 2004

1

View of Cape Town from TableviewView of Cape Town from TableviewView of Cape Town from Tableview

PJ LE ROUX , SOUTH AFRICAPJ LE ROUX , SOUTH AFRICAC I T Y O F C A P E T O W NC I T Y O F C A P E T O W N ESRI 2004ESRI 2004

City of Cape Town Where are we locatedCity of Cape Town City of Cape Town

Where are we locatedWhere are we located

PJ LE ROUX , SOUTH AFRICAPJ LE ROUX , SOUTH AFRICAC I T Y O F C A P E T O W NC I T Y O F C A P E T O W N ESRI 2004ESRI 2004

Cape Town in a nutshellCape Town in a nutshellCape Town in a nutshellCape Town covers an area of 2 500 kmCape Town covers an area of 2 500 km²²

Population of 3 100 000Population of 3 100 000

AvgAvg.. temp 16,7 temp 16,7 ºº CC(62 (62 °° F)F)

Annual turnoverAnnual turnoverR 1 Billion R 1 Billion ($ 154 million)($ 154 million)

654 000 consumers on654 000 consumers onformal propertiesformal properties

96 000 consumers on 96 000 consumers on Informal sitesInformal sites

17 600 km of pipelines17 600 km of pipelines11 000 miles)11 000 miles)

10 351 km of roads 10 351 km of roads (6500 miles)(6500 miles)

Moderate, winter Moderate, winter rrainfallainfall 515mm515mm MAPMAP

25 000 Employees25 000 Employeesserving customersserving customers

PJ LE ROUX , SOUTH AFRICAPJ LE ROUX , SOUTH AFRICAC I T Y O F C A P E T O W NC I T Y O F C A P E T O W N ESRI 2004ESRI 2004

Challenges managing Waterin the City of Cape Town

Challenges managing WaterChallenges managing Waterin the City of Cape Townin the City of Cape Town

• 69% of households in the city have piped water in their dwellings

• 15% has piped water on site & 14% of households make use of communal taps

• 67% of consumers earn less than R2500/month ($385)

• Not all informal households have been supplied with water due tounsustainable land occupation

• Cape Town’s Population increase 2.6% per annum and currently represents 750 000 households

PJ LE ROUX , SOUTH AFRICAPJ LE ROUX , SOUTH AFRICAC I T Y O F C A P E T O W NC I T Y O F C A P E T O W N ESRI 2004ESRI 2004

Challenges: Service delivery in High Income area VsChallenges: Service delivery in High Income area VsChallenges: Service delivery in High Income area Vs

PJ LE ROUX , SOUTH AFRICAPJ LE ROUX , SOUTH AFRICAC I T Y O F C A P E T O W NC I T Y O F C A P E T O W N ESRI 2004ESRI 2004

Within 100 meter an Informal settlementWithin 100 meter an Informal settlementWithin 100 meter an Informal settlement

PJ LE ROUX , SOUTH AFRICAPJ LE ROUX , SOUTH AFRICAC I T Y O F C A P E T O W NC I T Y O F C A P E T O W N ESRI 2004ESRI 2004

Bulk water supply in the Cape MetroBulk water supply in the Cape MetroBulk water supply in the Cape MetroCape Metropolitan CouncilCape Metropolitan Council

PJ LE ROUX , SOUTH AFRICAPJ LE ROUX , SOUTH AFRICAC I T Y O F C A P E T O W NC I T Y O F C A P E T O W N ESRI 2004ESRI 2004

ChallengesChallengesChallenges

•• An ISO 9001 Quality Management System has been implementedAn ISO 9001 Quality Management System has been implementedto improve communication, revenue income & managementto improve communication, revenue income & management

•• The water demand of the city is approximately 850Ml/dayThe water demand of the city is approximately 850Ml/day

•• The strategy of the city is to concurrently follow all possiblThe strategy of the city is to concurrently follow all possible watere waterdemand measures to reduce usage and eliminate wastage, whiledemand measures to reduce usage and eliminate wastage, whileexploring all possible alternative sources of additional supexploring all possible alternative sources of additional supply ply

•• The City makes use of 5 large storage dams with a total capacityThe City makes use of 5 large storage dams with a total capacity780million m3 plus a number of smaller dams780million m3 plus a number of smaller dams

•• The water supply and waste infrastructure includes 33 TreatmentThe water supply and waste infrastructure includes 33 Treatmentplants, 131 Reservoirs, 690 Pump stations, 17 600km of pipelplants, 131 Reservoirs, 690 Pump stations, 17 600km of pipelinesinesand a replacement value of over R12 billion, excluding the 5and a replacement value of over R12 billion, excluding the 5 majormajorstorage damsstorage dams

PJ LE ROUX , SOUTH AFRICAPJ LE ROUX , SOUTH AFRICAC I T Y O F C A P E T O W NC I T Y O F C A P E T O W N ESRI 2004ESRI 2004

ChallengesChallengesChallenges

•• Master planning has shown that new infrastructure totaling someMaster planning has shown that new infrastructure totaling someR2,8 billion will be required within the next 10R2,8 billion will be required within the next 10--12 years, based on12 years, based ona predicted demand of twice the current figure.a predicted demand of twice the current figure.

•• The most important measure planned to increase future supply The most important measure planned to increase future supply capacity is the implementation of the Berg River dam, nearcapacity is the implementation of the Berg River dam, nearFranschoek (approximately 50km from Cape Town) in 2006/07Franschoek (approximately 50km from Cape Town) in 2006/07

PJ LE ROUX , SOUTH AFRICAPJ LE ROUX , SOUTH AFRICAC I T Y O F C A P E T O W NC I T Y O F C A P E T O W N ESRI 2004ESRI 2004

Water GIS in Cape Town before 2000Water GIS in Cape Town before 2000Water GIS in Cape Town before 2000•• No uniform GIS standards for the capturing Civil Engineering neNo uniform GIS standards for the capturing Civil Engineering networkstworks

•• No standardised GIS softwareNo standardised GIS software

•• Turnaround time to capture and maintain GIS data fromTurnaround time to capture and maintain GIS data fromCADCAD--based to an automated GIS workflow very longbased to an automated GIS workflow very long

•• No automated tools in the existing GUI of Arcview 3.2 GIS toNo automated tools in the existing GUI of Arcview 3.2 GIS tocreate network topologycreate network topology

•• There was scope to design a standardised database and built an There was scope to design a standardised database and built an automated application based on the designautomated application based on the design

•• Due to various competency levels it was also important to defineDue to various competency levels it was also important to defineautomated procedures for attributes input purposesautomated procedures for attributes input purposes

PJ LE ROUX , SOUTH AFRICAPJ LE ROUX , SOUTH AFRICAC I T Y O F C A P E T O W NC I T Y O F C A P E T O W N ESRI 2004ESRI 2004

Water Reticulation distributionWater Reticulation distributionWater Reticulation distribution

95% of water pipes have been converted into GIS format95% of water pipes have been converted into GIS format

PJ LE ROUX , SOUTH AFRICAPJ LE ROUX , SOUTH AFRICAC I T Y O F C A P E T O W NC I T Y O F C A P E T O W N ESRI 2004ESRI 2004

The development of a civil capturing toolThe development of a civil capturing toolThe development of a civil capturing tool

Developed by Kobus Meyer Developed by Kobus Meyer (Now ESRI employee) &(Now ESRI employee) &

PJ le RouxPJ le Roux

PJ LE ROUX , SOUTH AFRICAPJ LE ROUX , SOUTH AFRICAC I T Y O F C A P E T O W NC I T Y O F C A P E T O W N ESRI 2004ESRI 2004

Civil As-built application continuesCivil AsCivil As--built application continuesbuilt application continues• Once converted as dialogues it would enable the user to limitOnce converted as dialogues it would enable the user to limit

spelling mistakes to the minimum spelling mistakes to the minimum –– only numeric info like reservoironly numeric info like reservoirlevels had to be typed inlevels had to be typed in

• There was also a need to build various quality control tools sucThere was also a need to build various quality control tools suchhas finding spatial duplicates, move or delete features as welas finding spatial duplicates, move or delete features as well as l as switching pipe directionsswitching pipe directions

• An import function was also o import features from aAn import function was also o import features from adatabase file and create a spatial network on the flydatabase file and create a spatial network on the fly

!! Although the application provided brand new functionality in aAlthough the application provided brand new functionality in a stand stand alone environment, the amalgamation process where various lalone environment, the amalgamation process where various local ocal councils were integrated in one system would require new chcouncils were integrated in one system would require new challenges allenges to capture and maintain their infrastructure in a multito capture and maintain their infrastructure in a multi--user and user and wide area network environment.wide area network environment.

PJ LE ROUX , SOUTH AFRICAPJ LE ROUX , SOUTH AFRICAC I T Y O F C A P E T O W NC I T Y O F C A P E T O W N ESRI 2004ESRI 2004

Changes in Cape Town after December 2000Changes in Cape Town after December 2000Changes in Cape Town after December 2000

BlaauwbergBlaauwberg

Cape TownCape Town

South PeninsulaSouth Peninsula

Cape Metropolitan CouncilCape Metropolitan Council

TygerbergTygerberg

OostenbergOostenberg

HelderbergHelderberg

PJ LE ROUX , SOUTH AFRICAPJ LE ROUX , SOUTH AFRICAC I T Y O F C A P E T O W NC I T Y O F C A P E T O W N ESRI 2004ESRI 2004

Changes in Cape Town continueChanges in Cape Town continueChanges in Cape Town continue• The City of Cape Town has undergone significant changesThe City of Cape Town has undergone significant changes

in political structure over the last decadein political structure over the last decade

• Prior to December 2000 the area consisted of 6 MetropolitanPrior to December 2000 the area consisted of 6 MetropolitanLocal Councils and the Cape Metropolitan Council as theLocal Councils and the Cape Metropolitan Council as theBulk Water ProviderBulk Water Provider

• In December 2000, these councils were amalgamated as the CityIn December 2000, these councils were amalgamated as the Cityof Cape Town through a massive restructuring processof Cape Town through a massive restructuring process

• Part of the challenge of the restructuring process was to integrPart of the challenge of the restructuring process was to integrate ate the 7 local authorities information systems, including GISthe 7 local authorities information systems, including GIS

• Core the success of this integration was to integrate the variouCore the success of this integration was to integrate the various s billing and financial systemsbilling and financial systems

• To address this an ambitious SAP implementation was undertakenTo address this an ambitious SAP implementation was undertaken

PJ LE ROUX , SOUTH AFRICAPJ LE ROUX , SOUTH AFRICAC I T Y O F C A P E T O W NC I T Y O F C A P E T O W N ESRI 2004ESRI 2004

Changes in Cape Town continueChanges in Cape Town continueChanges in Cape Town continue

• Part of this plan was to ensure that the whole business processePart of this plan was to ensure that the whole business processesswere standardised, and optimised and that all the informationwere standardised, and optimised and that all the informationsystems were integrated including GIS systems were integrated including GIS

• This process put pressure on the various GISThis process put pressure on the various GIS’’s to become robusts to become robustand reliable & fully integrated in the Cityand reliable & fully integrated in the City’’s Informations InformationTechnology ArchitectureTechnology Architecture

• To achieve these objectives the City decided to implement ESRITo achieve these objectives the City decided to implement ESRIGeodatabase technologyGeodatabase technology to address a multito address a multi--user capturing user capturing environment and an effective management platform to their environment and an effective management platform to their many users in the City. many users in the City.

PJ LE ROUX , SOUTH AFRICAPJ LE ROUX , SOUTH AFRICAC I T Y O F C A P E T O W NC I T Y O F C A P E T O W N ESRI 2004ESRI 2004

Geodatabase Project Geodatabase Geodatabase Project Project

• Water Services, Water Services, designed as a new entity,designed as a new entity, used this integration used this integration process to examine process to examine their their business requirements and implement abusiness requirements and implement atotallytotally integrated spatial and nonintegrated spatial and non--spatial information system.spatial information system.

• Initially the City concentrated on the Initially the City concentrated on the Electricity & PropertyElectricity & PropertyGeodatabase, but this has now been expanded into WaterGeodatabase, but this has now been expanded into Water as wellas well..

PJ LE ROUX , SOUTH AFRICAPJ LE ROUX , SOUTH AFRICAC I T Y O F C A P E T O W NC I T Y O F C A P E T O W N ESRI 2004ESRI 2004

•• Maintain a consistent supply of potable water to clientsMaintain a consistent supply of potable water to clients

•• Provide high quality serviceProvide high quality service

•• Continuously improve efficiency and cost effectivenessContinuously improve efficiency and cost effectiveness(e.g. improve data management)(e.g. improve data management)

•• Preserve intellectual capital (e.g. institutional knowledge)Preserve intellectual capital (e.g. institutional knowledge)

Business ObjectivesBusiness ObjectivesBusiness Objectives

PJ LE ROUX , SOUTH AFRICAPJ LE ROUX , SOUTH AFRICAC I T Y O F C A P E T O W NC I T Y O F C A P E T O W N ESRI 2004ESRI 2004

Project ObjectivesProject ObjectivesProject Objectives

Pilot Project for the Migration of Corporate Water GIS, Pilot Project for the Migration of Corporate Water GIS, Data Capture Tools and Data to the Data Capture Tools and Data to the Geodatabase Geodatabase

EnvironmentEnvironment

PJ LE ROUX , SOUTH AFRICAPJ LE ROUX , SOUTH AFRICAC I T Y O F C A P E T O W NC I T Y O F C A P E T O W N ESRI 2004ESRI 2004

Project GoalsProject GoalsProject Goals

•• User requirements analysisUser requirements analysis

•• Conceptual design of water Conceptual design of water geodatabase geodatabase systemsystem

•• Physical design of water geodatabase Physical design of water geodatabase

•• Conversion and loading of a subset of the existing available watConversion and loading of a subset of the existing available water dataer data

•• Documenting procedures and rules for the capture and maintenanDocumenting procedures and rules for the capture and maintenanceceof water dataof water data

•• Implementation, testing pilot projectImplementation, testing pilot project

•• Pilot project analysis and documentationPilot project analysis and documentation

PJ LE ROUX , SOUTH AFRICAPJ LE ROUX , SOUTH AFRICAC I T Y O F C A P E T O W NC I T Y O F C A P E T O W N ESRI 2004ESRI 2004

Project DeliverablesProject DeliverablesProject Deliverables••Water User Requirements DocumentWater User Requirements Document

••Conceptual Design DocumentConceptual Design Document••System StrategySystem Strategy••Data (content, structure, behaviour, rules)Data (content, structure, behaviour, rules)••Business workflowsBusiness workflows••ApplicationsApplications

•• Data Maintenance ToolsData Maintenance Tools•• Modelling ToolsModelling Tools•• Query, Display and Reporting ToolsQuery, Display and Reporting Tools

••Pilot ProjectPilot Project

••Pilot Project Outcome AnalysisPilot Project Outcome Analysis

••Recommendation & Implementation PlanRecommendation & Implementation Plan

PJ LE ROUX , SOUTH AFRICAPJ LE ROUX , SOUTH AFRICAC I T Y O F C A P E T O W NC I T Y O F C A P E T O W N ESRI 2004ESRI 2004

Project RisksProject RisksProject Risks

•• In The City of Cape Town band width of the IT networksIn The City of Cape Town band width of the IT networksis still a major problemis still a major problem

•• Buy in or support from all levels to be successfully implementBuy in or support from all levels to be successfully implementeded

•• New technology such as Mobile or Geodatabase technology willNew technology such as Mobile or Geodatabase technology willrequire additional training to be successfully integrated wrequire additional training to be successfully integrated with ith operational and other business processesoperational and other business processes

PJ LE ROUX , SOUTH AFRICAPJ LE ROUX , SOUTH AFRICAC I T Y O F C A P E T O W NC I T Y O F C A P E T O W N ESRI 2004ESRI 2004

Project PhasesProject PhasesProject Phases••Project Planning and ManagementProject Planning and Management

••User Requirements analysisUser Requirements analysis

••User GroupsUser Groups••Executive ManagementExecutive Management••Engineering/ScientificEngineering/Scientific••OperationalOperational••Water modelling specialistsWater modelling specialists

••RequirementsRequirements

••Business RequirementsBusiness Requirements••Application RequirementsApplication Requirements••Data RequirementsData Requirements••Operational Requirements Operational Requirements

PJ LE ROUX , SOUTH AFRICAPJ LE ROUX , SOUTH AFRICAC I T Y O F C A P E T O W NC I T Y O F C A P E T O W N ESRI 2004ESRI 2004

Project PhasesProject PhasesProject Phases•• Conceptual DesignConceptual Design

•• Computer System StrategyComputer System Strategy•• Integration with Cities IT and GIS StrategyIntegration with Cities IT and GIS Strategy

•• Computing SystemsComputing Systems•• HardwareHardware•• SoftwareSoftware•• Communications (LAN/WAN)Communications (LAN/WAN)

•• ApplicationsApplications

•• DatabaseDatabase•• ContentContent•• StructureStructure

PJ LE ROUX , SOUTH AFRICAPJ LE ROUX , SOUTH AFRICAC I T Y O F C A P E T O W NC I T Y O F C A P E T O W N ESRI 2004ESRI 2004

Project PhasesProject PhasesProject Phases•• Business WorkflowsBusiness Workflows

•• SAP and GISSAP and GIS•• Data MaintenanceData Maintenance•• Query and ReportingQuery and Reporting•• ModellingModelling

•• Pilot ProjectPilot Project

•• Develop physical Develop physical geodatabase geodatabase •• Populate Populate geodatabase geodatabase with pilot project area datawith pilot project area data•• Test query, display and reporting optionsTest query, display and reporting options•• Test data maintenance optionsTest data maintenance options•• Test operational optionsTest operational options

PJ LE ROUX , SOUTH AFRICAPJ LE ROUX , SOUTH AFRICAC I T Y O F C A P E T O W NC I T Y O F C A P E T O W N ESRI 2004ESRI 2004

Project PhasesProject PhasesProject Phases

•• Pilot Project Evaluation and AnalysisPilot Project Evaluation and Analysis

•• Recommendation and Implementation PlanRecommendation and Implementation Plan

PJ LE ROUX , SOUTH AFRICAPJ LE ROUX , SOUTH AFRICAC I T Y O F C A P E T O W NC I T Y O F C A P E T O W N ESRI 2004ESRI 2004

Business RequirementsBusiness RequirementsBusiness Requirements

•• Integrated with existing systemsIntegrated with existing systems

•• Adhere to common standardsAdhere to common standards•• DataData•• MetadataMetadata•• ToolsTools•• Management systems Management systems

•• Optimise use of resourcesOptimise use of resources

•• Capture and validation at sourceCapture and validation at source

PJ LE ROUX , SOUTH AFRICAPJ LE ROUX , SOUTH AFRICAC I T Y O F C A P E T O W NC I T Y O F C A P E T O W N ESRI 2004ESRI 2004

Key Business ProcessesKey Business ProcessesKey Business Processes

•• Policy and StrategyPolicy and Strategy•• Planning and DesignPlanning and Design•• Construction and DevelopmentConstruction and Development•• MaintenanceMaintenance•• MonitoringMonitoring

•• Usage (metering / consumption)Usage (metering / consumption)•• FlowFlow•• PressurePressure•• Environment (e.g. Pollution)Environment (e.g. Pollution)•• Events (Call Events (Call CentreCentre))

•• Management & FinancesManagement & Finances•• BillingBilling•• BudgetingBudgeting•• CostingCosting•• Asset managementAsset management•• Debt Management (non payment)Debt Management (non payment)•• Performance MonitoringPerformance Monitoring

PJ LE ROUX , SOUTH AFRICAPJ LE ROUX , SOUTH AFRICAC I T Y O F C A P E T O W NC I T Y O F C A P E T O W N ESRI 2004ESRI 2004

Business Process Information IntegrationBusiness Process Information IntegrationBusiness Process Information Integration

DataWarehouse

Inventory

Data

Data

Operational

Plan

ning

Managing

Desi

gn

Construction

Maintaining

Monitoring

PJ LE ROUX , SOUTH AFRICAPJ LE ROUX , SOUTH AFRICAC I T Y O F C A P E T O W NC I T Y O F C A P E T O W N ESRI 2004ESRI 2004

Water Information System Conceptual design Water Information System Conceptual design Water Information System Conceptual design

SAP

Scientific Services

Water

PollutionMonitoring

FlowMonitoring

PressureMonitoring

CustomerMetering

EventMonitoring

Maintenance

Construction

MaintenanceAnalysis &Planning

Bulk ServicesPlanning

Spatial Data WarehouseAnalysed

SummarisedDerived

HistoricalInventory/Background

Property

Electricity

Transport

Environment

Geospatial

W orkOrders

City Call Centre DB

RawMetering

DataBusiness Warehouse

W ater Information System Conceptual DesignJanuary 2004

PJ LE ROUX , SOUTH AFRICAPJ LE ROUX , SOUTH AFRICAC I T Y O F C A P E T O W NC I T Y O F C A P E T O W N ESRI 2004ESRI 2004

Mapping of Geodatabase & TestsMapping of Mapping of Geodatabase Geodatabase & Tests& Tests•• The biggest challenge was to map the shape file themes to the The biggest challenge was to map the shape file themes to the

applicable feature classes, domains and rules of the ESRI Moapplicable feature classes, domains and rules of the ESRI Model del

•• Mostly it was found that the same feature had simply a differeMostly it was found that the same feature had simply a different namingnt namingconvention convention -- detailed documentation that existed simplified this processdetailed documentation that existed simplified this process

•• The project team decided to adopt the ESRI naming convention The project team decided to adopt the ESRI naming convention and add additional subtypes & domains if requiredand add additional subtypes & domains if required

•• The Personal Geodatabase has then been translated into a The Personal Geodatabase has then been translated into a MultiMulti--User Environment to test the model on the CityUser Environment to test the model on the City’’s WANs WANrunning on SDE on a Microsoft Sequel Server machine running on SDE on a Microsoft Sequel Server machine

•• Users were provided with appropriate settings and passwords to eUsers were provided with appropriate settings and passwords to enablenablethem tothem to access the database from their desktop PCsaccess the database from their desktop PCs loaded with Arcgis loaded with Arcgis 8.3 in a versioning environment as well as to test the Geodat8.3 in a versioning environment as well as to test the Geodatabase on abase on ArcIms Web environment.ArcIms Web environment.

PJ LE ROUX , SOUTH AFRICAPJ LE ROUX , SOUTH AFRICAC I T Y O F C A P E T O W NC I T Y O F C A P E T O W N ESRI 2004ESRI 2004

Evaluation & ConclusionEvaluation & ConclusionEvaluation & Conclusion• The pilot project was very successful to indicate an integrated The pilot project was very successful to indicate an integrated

approach to capture, store, manage of the Cityapproach to capture, store, manage of the City’’s Waters Waterspatial data and to be integrated to the Cityspatial data and to be integrated to the City’’s ERP program s ERP program to address informed decisionto address informed decision--makingmaking

•• The project team recommends that the model need to be tested fThe project team recommends that the model need to be tested for or capturing purposes capturing purposes

•• This will enable refinement of rules if applicable and give diThis will enable refinement of rules if applicable and give directionrectionto future application development to future application development

•• User training focusing on data capture, populating and maintaiUser training focusing on data capture, populating and maintainingningthe Geodatabase the Geodatabase

•• Other issues to be addressed include metaOther issues to be addressed include meta--data, standardised data, standardised symbology and setting user profiles symbology and setting user profiles

PJ LE ROUX , SOUTH AFRICAPJ LE ROUX , SOUTH AFRICAC I T Y O F C A P E T O W NC I T Y O F C A P E T O W N ESRI 2004ESRI 2004

Evaluation & ConclusionEvaluation & ConclusionEvaluation & Conclusion•• The City want to apply the lessons learned from the Water GDB The City want to apply the lessons learned from the Water GDB toto

the implementation of a Sewer and Stormwater Geodatabase forthe implementation of a Sewer and Stormwater Geodatabase forthe Citythe City

•• The development of an inThe development of an in--house capturing and maintenance tool house capturing and maintenance tool (dockable toolbar of existing ArcEditor functionality) is cr(dockable toolbar of existing ArcEditor functionality) is crucial for the ucial for the CityCity’’s ass as--built conversion process that can be extended to Consulting built conversion process that can be extended to Consulting firms providing data to the Cityfirms providing data to the City

•• This is one of the areas where the City can save thousands of This is one of the areas where the City can save thousands of randsrandsand a common data model internally & externally will promoteand a common data model internally & externally will promotea healthy data sharing environmenta healthy data sharing environment

•• The City is not currently utilising the Enterprise version of The City is not currently utilising the Enterprise version of SAP and onlySAP and onlya batch monthly download is possible to develop a spatial rea batch monthly download is possible to develop a spatial reporting porting environment environment –– when the City migrate to enterprise version of SAP, morewhen the City migrate to enterprise version of SAP, moreseamless integrations between sap and the geodatabase will bseamless integrations between sap and the geodatabase will be possiblee possible

PJ LE ROUX , SOUTH AFRICAPJ LE ROUX , SOUTH AFRICAC I T Y O F C A P E T O W NC I T Y O F C A P E T O W N ESRI 2004ESRI 2004

•• Water Services is currently implementing a Technical OperationWater Services is currently implementing a Technical Operations s Centre (TOC) that will attempt to integrate the notification Centre (TOC) that will attempt to integrate the notification and work and work order process of SAP with mobile GPS/GIS technology, geocodinorder process of SAP with mobile GPS/GIS technology, geocoding of g of alarms and other telemetry technologiesalarms and other telemetry technologies

•• The current GIS Production environment (Water Geodatabase ) The current GIS Production environment (Water Geodatabase ) as well as the Warehouse server environments (reporting portas well as the Warehouse server environments (reporting portal) al) of the City, will form a major part of this process of the City, will form a major part of this process

Evaluation & ConclusionEvaluation & ConclusionEvaluation & Conclusion

"" There are great expectations form all the usersThere are great expectations form all the users

"" The Geodatabase Project team is positive that the new technoloThe Geodatabase Project team is positive that the new technology gy will improve efficiencieswill improve efficiencies

"" Good Management supportGood Management support

"" Have integrated well with IT and have good IT supportHave integrated well with IT and have good IT support

PJ LE ROUX , SOUTH AFRICAPJ LE ROUX , SOUTH AFRICAC I T Y O F C A P E T O W NC I T Y O F C A P E T O W N ESRI 2004ESRI 2004

Informed decision-making through theGeodatabase & the City’s ERP programInformed decisionInformed decision--making through themaking through the

Geodatabase Geodatabase & the City& the City’’s ERP programs ERP program

More than 500 000 meters geocoded from SAP for reporting More than 500 000 meters geocoded from SAP for reporting

PJ LE ROUX , SOUTH AFRICAPJ LE ROUX , SOUTH AFRICAC I T Y O F C A P E T O W NC I T Y O F C A P E T O W N ESRI 2004ESRI 2004

Linking GIS to SAP to extract monthly maintenance costs of water bursts in the Khayelitsha service area

Linking GIS to SAP to extract monthly maintenance costs Linking GIS to SAP to extract monthly maintenance costs of water bursts in the Khayelitsha service areaof water bursts in the Khayelitsha service area

Bursts have been captured with mobile GIS devicesBursts have been captured with mobile GIS devicesBursts have been captured with mobile GIS devices

PJ LE ROUX , SOUTH AFRICAPJ LE ROUX , SOUTH AFRICAC I T Y O F C A P E T O W NC I T Y O F C A P E T O W N ESRI 2004ESRI 2004

Certain problems of meter readings estimatesCertain problems of meter readings estimatesCertain problems of meter readings estimates

PJ LE ROUX , SOUTH AFRICAPJ LE ROUX , SOUTH AFRICAC I T Y O F C A P E T O W NC I T Y O F C A P E T O W N ESRI 2004ESRI 2004

Linking SAP to GIS enable monthly reporting of water consumption patterns based on City’s tariff structure

Linking SAP to GIS enable monthly reporting of water Linking SAP to GIS enable monthly reporting of water consumption patterns based on Cityconsumption patterns based on City’’s tariff structures tariff structure

PJ LE ROUX , SOUTH AFRICAPJ LE ROUX , SOUTH AFRICAC I T Y O F C A P E T O W NC I T Y O F C A P E T O W N ESRI 2004ESRI 2004

Time-spatial consumption patternsTimeTime--spatial consumption patternsspatial consumption patterns

PJ LE ROUX , SOUTH AFRICAPJ LE ROUX , SOUTH AFRICAC I T Y O F C A P E T O W NC I T Y O F C A P E T O W N ESRI 2004ESRI 2004

3D-Spatial Consumption Patterns3D3D--Spatial Consumption PatternsSpatial Consumption Patterns

PJ LE ROUX , SOUTH AFRICAPJ LE ROUX , SOUTH AFRICAC I T Y O F C A P E T O W NC I T Y O F C A P E T O W N ESRI 2004ESRI 2004

Thank youThank youQuestionsQuestions

Pieta le RouxCity of Cape TownDirectorate Water ServicesReticulation Policy & Planning GIS Unit

Tel: + 27 21 5901500Fax: +27 21 5901504pieta.le_roux@capetown.gov.za