01 Mr Brian Borg - GIS in Water Utilities 0
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Transcript of 01 Mr Brian Borg - GIS in Water Utilities 0
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GIS in Water Utilities
Brian Borg
GIS Technologist16th November 2012
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Agenda
• GIS Overview
• WSC Vision• WSC Vision
• WSC GIS Goals and Implementation
• Practical Examples
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GIS Overview
• Geospatial data represent spatial locations and have
attributes (where? and what?) – points/lines/polygons
• Many Water utilities companies’ data is spatially
related
• Spatial data typically stored within GIS• Spatial data typically stored within GIS
• GIS is used for:
– Spatial data storage,
– Analysis,
– Visualization,
– Reporting,
– Loss Control3
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GIS Overview
• Using GIS helps in managing water distribution
more effectively as well as planning and customer
care. – Network represented with spatial features.
• A GIS is more powerful and flexible than a CAD
system.
• GIS stores both attributes and
images of pipes, valves, meters,
manholes, and so forth, as objects
with location coordinates.
Distribution system
Collection system
Population density
Zone boundaries
Urban development
Land features
Hydrographic data
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GIS Overview
• GIS create links (upstream and downstream)
between objects through a strong object-to-object
network connectivity model. (geometric network)
• It is a true model of the network which can be
used to:
– Track and report on assets
– Valve tracing
– Model simulation
– Generate inputs into hydraulic
modelling software
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Core Water Utilities Business Patterns
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WSC Vision
• Reduce data redundancy
• Improve accuracy and integrity of spatial informationspatial information
• Share data efficiently and quickly
• Integrate GIS and non-GIS applications
• Use GIS to analyze data patterns
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WSC Goals
• Ability to manage water networks assets more
efficiently
• Better decision making – Better decisions about a
location or an asset.
– Providing map-based views of assets
– Create work orders / historical work orders
– Trends
• Improve communication
– Maps and visualizations greatly assist in understanding
situations
– “New Language” that improve communication8
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WSC Goals
• Empower and improve Planned Maintenance
processes (Promote pro-activeness)
– Assets aging / conditioning
• Support automatic and on the fly Water balances
– AMM Integration
– Step testing analysis
– Customer segmentation
• Lower reaction time to breakdowns by early
detection of network events
– SCADA/AMM Integration
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Integration and Collaboration
• GIS Implementations: – desktop,
– server, and
– Enterprise systems
• Web GIS harnesses the power and reach of
Desktop Server Enterprise
the power and reach of the Web and integrates the rich knowledge resources of GIS
• GIS is rapidly moving toward the vision where it can be used anywhere, anytime by anyone
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WSC GIS Implementation• Provides an open, scalable system that serves geographic knowledge to virtually any client:– Desktop
– Mobile– Mobile
– Smartphone
• GIS Professionals create knowledge maps, and models and easily publish them for anyone to use anywhere.
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Spatially Enabling Business Intelligence
• GIS and BI applications
historically separate
• Users typically enter
information or perform
analysis using separate analysis using separate
applications
• Business applications may contain spatial data, but no way to analyze it
• Integrating both systems will add another dimension to analysis and reporting• Visualize and discover previously unknown trends
• GIS and BI are two converging technologies12
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Spatially Enabling Business Intelligence
• Maps as an analysis
tool – Spatial queries
drives BI request
• Maps as visualization • Maps as visualization
tools – BI request
drives spatial queries
and GIS
representations
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Spatially Enabling Business Intelligence• GIS provides significant
advantages in visualisation
of information to show
patterns and trends
• No other reporting format • No other reporting format
can match a map’s ability
to condense information
• “A picture is worth a
thousand words”
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Access and Update Data in the Field• Mobile crews need current information at their fingertips
• Field crews must be provided with accurate, up-to-date maps through GIS computingthrough GIS computing– Map display and navigation
– GIS support querying
– GIS editing
– Valve isolation tracing
– Work Order creation
– GPS location
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GIS/EAM Integration
• GIS-enabled Web-based tools allow field crew to:
– Annotate (redline) work order requests
– Put information directly into the DB from the field
• Data is available anytime, anywhere and to anyone16
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GIS/EAM Integration
• Back end Asset Management System fully integrated
with GIS. One single system17
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Geometric Network Model
• Geometric Network offers a way to model networks and infrastructures
• It is a set of – connected edges and junctions, (connected assets)
– along with connectivity rules, (asset connection rules)
– represent and model the behaviour of the network infrastructure 18
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Geometric Network Model
• Locating issues in network based on customer contacts or other sources of data (e.g. AMM/SCADA)
• Redirecting the flow of water to avoid a burst main
• Tracing upstream, downstream and valve tracing
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Geometric Network – Tracing (Downstream)
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Geometric Network – Tracing (Downstream)
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Geometric Network – Tracing (Upstream)
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Leakage Management –Location?
• Requires a combination
of management tools and
logical processes
• GIS assists in leak
detection locationdetection location
• Addressing the WHERE:– Strategically positioned flow-
meters and pressure sensors
(GIS/SCADA)
– Pipe network subdivided into
zones and sub zones (GIS)
– Methods like Step Testing will
be able to pinpoint the actual
zone (GIS/AMM) 23
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Step Testing – GIS/AMM
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Leakage Management – How?
• HOW is the final decision – typical
considerations:
– Length of pipes (GIS)
– Quality of pipes (GIS)– Quality of pipes (GIS)
– Age of pipes (GIS)
– How many interventions (GIS/WO)
• DECISION – Analysis – (Spatial DSS/GIS)
– Replace all the pipes in the zone?
– Locate the leak and replace the small length?25
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Asset Aging- Work Order Analysis
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Asset Aging- Work Order Analysis
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Water Balance – GIS/AMM
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GIS – CRM Integration
• Faults immediately
displayed on the central
room’s GIS
• A single dot (Fault) may
in turn grow or change in turn grow or change
shape as additional calls
come in
• In combination with the
geonetwork model, one
can identify a main/asset
as the most likely culprit
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GIS - SCADA - AMM Integration
Feature SCADA AMM GIS
Live system
availability √ √ X
Real time data √ √ XReal time data
management√ √ X
Spatial data
representation
X X √
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GIS Integration Framework
• Automatic Notification Creation
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3.thanks for listening!
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