Topographical Surveys - Measured Building Surveys - Hydrographic Surveys - Volumetric Surveys - Site Control & Setting out - land Registry - AS-Built Utility Surveys

Hydrographic Surveys

Hydrographic Surveys

Using sonar combined with GPS and specialist software GeoData Surveying Ltd can provide a 3D Digital Terrain Models (DTMs) model of river and lake beds to what every grid intervals as required.

This topographical detail is invaluable information for engineers for use in various activities including flood studies, harbours mapping etc.

Cross sections through rivers for the use in flood studies can be generated at whatever interval requested, tidal
levels and times and dates can also be recorded at high or low levels.

All surveys are relation to ITM or national grid and mean sea level datum Malin head and can be exported in 3D or 2D dimensional in AutoCAD, Micro station, ASCII, XYZ format.





PDF EXAMPLES Hydrographic Surveys
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