Water Utility Benchmarks in Dallas City - PowerPoint PPT Presentation

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Water Utility Benchmarks in Dallas City

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  1. Water Utility Benchmarksin Dallas City Mohammed Alfarhan Final project GEOS 5482, Spring 2001 Instructors Dr. Carlos Aiken & Dr. John Ferguson

  2. Introduction The city of Dallas and water utility bench marks

  3. Nail as benchmark Drawn square as benchmark How did they locate their benchmarks

  4. The Objective Take the position and the elevation water utilities benchmarks. Make comparison between the elevation that the city of Dallas got and the elevation that I got.

  5. The Plan Mapsco map First Looking for the point

  6. Leica GPS Second GPS selection

  7. Number of satellites PDOP Third Time select

  8. The day of the work First time on Sunday April 22nd Windy Second time on Wednesday 25th Start the work

  9. The difficulties Nail trace drawn square First Finding the points

  10. Taking data beneath the tree Second The trees Third The dark

  11. Data process Arlington core station Selecting the core station

  12. Base station data before correction Base station data after correction Data correction

  13. The results Elevation data comparison

  14. Water utilities benchmarks before and After correction

  15. Some water utilities benchmarks

  16. 5R benchmark

  17. 5K benchmark

  18. Thank You