Engineering Continuing Education
217 Ramsay Hall
Auburn University, AL 36849
Vertical Datums and Leveling
Location: Distance Learning Course
2016-2017 On-line Individual: $180.00
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A datum is a reference system for computing or correlating the results of surveys. The two principal types of datums are vertical and horizontal. A vertical datum is a level surface to which heights are referred. In a widespread network of vertical control, geodetic leveling is the technique that provides the most reliable elevation differences between control points. It is a form of precise leveling in which the observing team limits the magnitude of error by using calibrated instruments in combination with a rigorous, symmetrical observing procedure. You will learn why General Procedures must be followed, gain an understanding of the Sources of Errors and how they occur, learn the Equipment used and how to keep it in good working condition, understand why the Collimation Check is critical, how to use the Compensation Check, and understand the Observing Routine that is used when leveling a line of the National Geodetic Vertical Control Network.
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