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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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Presentation on theme: "Smith County Water Control & Improvement District #1 : GIS Implementation & Mapping GIS Master Project Cynthia Carey Feirman Fall 1999."— Presentation transcript:

1 Smith County Water Control & Improvement District #1 : GIS Implementation & Mapping GIS Master Project Cynthia Carey Feirman Fall 1999

2 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

3 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

4 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

5 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

6 Smith County Water Control & Improvement District #1 Base Mapping

7 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

8 Smith County Water Control & Improvement District #1 Original Service Area Coverage

9 Smith County Water Control & Improvement District #1 Extended Service Area Coverage

10 Smith County Water Control & Improvement District #1 Water System Mapping

11 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

12 Smith County Water Control & Improvement District #1 Water Line Map Coverage

13 Smith County Water Control & Improvement District #1 Water Line Information Type Size Material Installation Date

14 Smith County Water Control & Improvement District #1 Logistics Valves  Old paper army plans  Compared with existing structural improvements

15 Smith County Water Control & Improvement District #1 Valve Map Coverage

16 Smith County Water Control & Improvement District #1 Valve Information Type Size Manufacturer Installation Date

17 Smith County Water Control & Improvement District #1 Logistics Fire Hydrant, Pump Stations & Storage Tank Information  Information gathered from system maintenance paper maps

18 Smith County Water Control & Improvement District #1 Fire Hydrants Coverage

19 Smith County Water Control & Improvement District #1 Fire Hydrants Type Installation date Residual pressure Flow Last test date Manufacturer

20 Smith County Water Control & Improvement District #1 Pump Stations

21 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

22 Smith County Water Control & Improvement District #1 Water Storage Tanks

23 Smith County Water Control & Improvement District #1 Water Storage  Capacity  Year Built  Diameter  Height Smith County

24 Smith County Water Control & Improvement District #1 Sewer System Mapping

25 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

26 Smith County Water Control & Improvement District #1 Acquisition of GPS points  Using Leica GPS 500  Base Station  Two Rover Units

27 GPS Project Plan  GPS systems manholes to centimeter accuracy  Using Leica GPS 500 System static method Smith County Water Control & Improvement District #1

28 Post Processing of Data  Download Arlington Base Station data  Correct Smith County Base Station coordinate  Correct rover points through corrected base station

29 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

30 Smith County Water Control & Improvement District #1 Manhole Coverage

31 Smith County Water Control & Improvement District #1

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33 Manholes Condition Size Depth

34 Smith County Water Control & Improvement District #1 Map Sewer Lines  Manholes  Paper maintenance maps

35 Smith County Water Control & Improvement District #1 Sewer Coverage

36 Smith County Water Control & Improvement District #1 Size Grade Material Pigging date Inspection date Sewer Lines

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40 Smith County Water Control & Improvement District #1 Training

41 Thematic Mapping

42 Smith County Water Control & Improvement District #1 Query Data

43 Smith County Water Control & Improvement District #1 Spatial Query by location & position Intersects Have center in Contained in Contained within Distance of

44 Hot link Smith County Water Control & Improvement District #1 Hot Link Information

45 Smith County Water Control & Improvement District #1 Results

46 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

47 Smith County Water Control & Improvement District #1 Problems Encountered Further Development

48 Smith County Water Control & Improvement District #1 : GIS Implementation & Mapping


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