Hydrographic/Bathymetry Survey: Hydrographic / Bathymetry survey is a science of measuring the water column/ sea bed profile using the Echo sounder with DGPS. The Hydrographic Surveying process involves the data acquisition, processing and plotting the soundings by using Echo sounder.

• Hydrographic/Bathymetric Survey using SBES (Single Beam Echosounder)
• Tide and ADCP Current Profile observation
• Multibeam Survey
• Pipeline Survey
• River Bed Survey