Overflow Elimination Benefits from GIS Based Technologyby Rod Thornhill, RJN Group, Inc, Dallas, United States,
Abstract: Elimination of wet weather overflows through the rehabilitation of infiltration and inflow defects requires careful analysis of the collection system. The integration of geographic information systems (GIS) technology into the analytical process greatly improves the ability to analyze spatially related information. Wastewater collection system analysis is a an effective application of GIS. GIS was developed as a tool for analyzing spatially related entities. Various GIS coverages or layers can be analyzed in relation with each other. Visual representation of defects can be used to detect patterns of defect types. Construction project coverages also can be added to evaluate whether they have added to the defect's development.
Subject Headings: Geographic information systems | Information systems | Spatial analysis | Defects and imperfections | System analysis | Infiltration | Overflow | Inflow
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