Download - Calhoun County Rural Water By Steve Klaas MAY 17, 2013 GEOG 424: VECTOR BASED GIS DR SHUNFU HU, SIUE
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Water Distribution System Network
Calhoun County Rural WaterBy Steve Klaas
MAY 17, 2013GEOG 424: VECTOR BASED GISDR SHUNFU HU, SIUE
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Geometric Network Created To Model Water Distribution System Network for Calhoun County Rural Water (CCRW)
Personal Geodatabase, feature dataset, feature classes, domains, subtypes, Geometric Network, and Utility Network Analyst all used to create network
Smart Utility Network allows parts to be disabled in order to determine effects on the rest of the system, such as a boil order for a broken water line
Creation of a Water Utility Network for CCRW
Introduction
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Study AreaCalhoun County, Illinois is the
peninsula shown to the right of the arrow, between the Illinois and Mississippi RiversData Sets
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Data Sources
Digital Orthophoto Mosaicfrom USDA NCRS Geospatial Portal
Only the central portion of Calhoun County was included for this project
Data Sets
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CCRW GeodatabaseContains all GIS Data Used in Project
including Feature Classes within WaterDS Feature Dataset
Methodology
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Geodatabase DomainsCoded Values Used To Provide Legal
Values for Each Field Type to Maintain Data Integrity
Methodology
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WaterDS Feature DatasetContains all Features Classes Used In Building
Geometric Network: Water Lines, Customers, Valves, And Water Source
Methodology
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Feature ClassesEach Feature Class Was Given
Categorical Subtypes with Default Values for Certain Fields
Methodology
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Geometric Network
Includes all features in WaterDS Feature Dataset. Geometric Network
creation allowed further analysis to be performed through use of Utility Network AnalystMethodology
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DigitizingFeatures such as Customers,
Water Lines, and Valves Digitized Using Digital
Orthophotos as a ReferenceMethodology
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Water Tower Represented by Blue Water Tank
Results
Source Features
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Commercial Customer Subtype Represented as Squares
Residential Customer SubtypeRepresented as Circles
Results
Sink Features
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Junction Features
Results
Three Sub Types of Valves2 way, 3 way, 4 way
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Water Lines
Results
Edge Features
Six Inch SubtypeShown In Blue Four Inch Subtype
Shown In Green
One Inch SubtypeShown In Red
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Conclusion
Map Depicting Entire Network
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Conclusion
Map Depicting “Smart” NetworkUsing Flow Direction ArrowsFrom Utility Network Analyst
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Conclusion
“Smart” Network using Utility Network Analyst
Yellow Water Line is DisabledRed Asterisks Indicate No FlowCyan Arrows Show Flow Direction
Broken Water Line
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Data from USDA NCRS Geospatial Data Gateway
ArcGIS Desktop Help Dr. Shunfu Hu, Course Materials
References
Thanks for your time