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Smith County Water Control & Improvement District #1 : GIS Implementation & Mapping GIS Master Project Cynthia Carey Feirman Fall 1999
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Smith County Water Control & Improvement District #1 Purpose of GIS for Smith County Provide Base Map for System Help manage and visualize system attributes Ability to view relationships, evaluate conditions, explore options
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Smith County Water Control & Improvement District #1 Purpose of GIS For Smith County Accurately Map Water and Sewer systems Provide continuity of knowledge and increase management efficiency Database design for analytical functioning Relational, spatial analysis & information management tools Data can be sorted, collated, tabulated, filtered, queried, manipulated or analyzed
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Smith County Water Control & Improvement District #1 Four Phased Implementation: 1. Ortho-photography Base Mapping 2. Mapping of Water System Waterlines, Values, Fire Hydrants, Pump Stations, and Storage Tanks 3. Mapping Sewer System Sewer lines, Manholes, and Intake System 4. Training
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Smith County Water Control & Improvement District #1 Hardware PC Pentium III 300 MHz processor 10 Gigabyte Hard Drive Leica GPS 500 Base & 2 rovers Software ArcView 3.2 Image Warp Spatial Analysis 3-D Analysis Projection Utility Wizard Excel GeoGenius SkiPro
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Smith County Water Control & Improvement District #1 Base Mapping
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Smith County Water Control & Improvement District #1 Logistics Base Map Winnona 7.5’ quadrangles Digital Ortho-photographs Three foot pixel resolution Early 1998 photographed North American Datum 1983; North Central Texas Coordinates System in U.S. feet Accuracy of Base Map ± 15 feet
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Smith County Water Control & Improvement District #1 Original Service Area Coverage
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Smith County Water Control & Improvement District #1 Extended Service Area Coverage
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Smith County Water Control & Improvement District #1 Water System Mapping
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Smith County Water Control & Improvement District #1 Logistics Water Lines Original paper army plans Plans were deciphered for original line work Compared with existing structural improvements
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Smith County Water Control & Improvement District #1 Water Line Map Coverage
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Smith County Water Control & Improvement District #1 Water Line Information Type Size Material Installation Date
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Smith County Water Control & Improvement District #1 Logistics Valves Old paper army plans Compared with existing structural improvements
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Smith County Water Control & Improvement District #1 Valve Map Coverage
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Smith County Water Control & Improvement District #1 Valve Information Type Size Manufacturer Installation Date
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Smith County Water Control & Improvement District #1 Logistics Fire Hydrant, Pump Stations & Storage Tank Information Information gathered from system maintenance paper maps
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Smith County Water Control & Improvement District #1 Fire Hydrants Coverage
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Smith County Water Control & Improvement District #1 Fire Hydrants Type Installation date Residual pressure Flow Last test date Manufacturer
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Smith County Water Control & Improvement District #1 Pump Stations
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Smith County Water Control & Improvement District #1 Pump #1 Make Model Pump #2 Make Model Pump #3 Make Model Pump #4 Make Model Including for each pump TDH Flow Install year Motor HP Volts Phase Pump Station
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Smith County Water Control & Improvement District #1 Water Storage Tanks
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Smith County Water Control & Improvement District #1 Water Storage Capacity Year Built Diameter Height Smith County
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Smith County Water Control & Improvement District #1 Sewer System Mapping
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Smith County Water Control & Improvement District #1 Logistics Process of Mapping Sewer System 1. Acquisition of GPS points 2. Post processing of data 3. Bring into ArcView
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Smith County Water Control & Improvement District #1 Acquisition of GPS points Using Leica GPS 500 Base Station Two Rover Units
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GPS Project Plan GPS systems manholes to centimeter accuracy Using Leica GPS 500 System static method Smith County Water Control & Improvement District #1
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Post Processing of Data Download Arlington Base Station data Correct Smith County Base Station coordinate Correct rover points through corrected base station
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Smith County Water Control & Improvement District #1 Bring Data into ArcView Convert longitude and latitude into decimal degrees Geographic Transformation Projection into State Plane Texas North Central NAD 83 Overlay over Ortho-photos
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Smith County Water Control & Improvement District #1 Manhole Coverage
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Smith County Water Control & Improvement District #1
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Manholes Condition Size Depth
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Smith County Water Control & Improvement District #1 Map Sewer Lines Manholes Paper maintenance maps
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Smith County Water Control & Improvement District #1 Sewer Coverage
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Smith County Water Control & Improvement District #1 Size Grade Material Pigging date Inspection date Sewer Lines
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Smith County Water Control & Improvement District #1 Training
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Thematic Mapping
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Smith County Water Control & Improvement District #1 Query Data
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Smith County Water Control & Improvement District #1 Spatial Query by location & position Intersects Have center in Contained in Contained within Distance of
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Hot link Smith County Water Control & Improvement District #1 Hot Link Information
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Smith County Water Control & Improvement District #1 Results
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Smith County Water Control & Improvement District #1 Increase management and visualization of the District’s system Provide continuity and increase knowledge of the District’s Systems Increase system production Through business enticements
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Smith County Water Control & Improvement District #1 Problems Encountered Further Development
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Smith County Water Control & Improvement District #1 : GIS Implementation & Mapping
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