Hydrography & Oceanography
Hydrographic surveying can be loosely classified as offshore and land surveying. Surveys engaged helps engineers to identify the seabed / riverbed topography. Contours are also produce to enable them to quickly visualize the bed profile. For dredging purposes we will usually survey in front of dredger and feed the depth information online and will resurvey the path to ensure that the new depth is as required. Seabed sampling, salinity, wave modulation, currents and all data, which relates to the natural behavior of the inner space, can be classified as oceanography. These data must be gathered before one can decide on point of discharge of effluents; non-toxic wastes and also calculates the movements of sand banks and deposits at river mouths and in land ports. Applications : Flood defense – Surveys for rivers, canals and coastlines Roads – Surveys of rivers and streams running through proposed route for roadways Construction – Survey to assist in design for re-routing rivers and streams Coastal – Measurement of tidal movements in coastal areas for port and harbour Offshore resource development – study of the sea floor to aid in structure construction, anchoring and cable routing Survey Outputs : Technical Report in PDF Format 2D/3D Auto CAD drawings 2D/3D Microstation drawings Hard copy drawings Drawings in PDF Format ASCII MOSS Cross Sections Long Sections A4, A3, A2, A1 and A0
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