Ensure the longevity, safety, and operational efficiency of your hydroelectric assets with our specialized commercial diving and subsea solutions. At Drafinsub, we understand that hydroelectric plants, dams and reservoirs are critical infrastructure requiring precise, safe, and reliable maintenance. Downtime is costly, and structural integrity is non-negotiable. We provide elite underwater assistance services designed specifically for the challenging environments […]
ROV & Survey
Complete set of Remotely Operate Vehicles Services, inspection/work class for the inshore and offshore markets
Non Destructive Testing Non-destructive testing (NDT), are methodologies that can be applied both underwater and out of water. As their name suggests, these methods investigate the material without altering its integrity. Sometimes NDTs, especially in the case of complex structures, are complementary to each other, as different materials can coexist on the same element/structure or […]
The survey and mapping of the seabed, therefore the scanning and subsequent graphic rendering, are techniques used to investigate and digitally acquire the morphology of the seabed. These seabeds can be oceanic, marine, lake and river. Underwater prospecting is carried out with Multibeam, Sub Bottom Profiler, Side Scan Sonar etc… Technologies that allow the seabed […]
Creation of Reference Networks Determination of geodetic reference points both on land and on offshore structures, created using both traditional and satellite technologies. Determination of networks in different coordinate systems. Topographic surveys with satellite systems GPS surveys with differential (DGPS) and kinematic (RTK) methods, for sub-metric and centimeter determinations in real time. Cartographic processing also […]
Positioning Services for Hydrographic Surveys D-GPS and RTK systems to guarantee, in all environmental conditions, the accurate positioning of vessels during hydrographic, geophysical, oceanographic surveys, etc. Positioning Services for Platform Installations and Special Interventions Software packages dedicated to the positioning of platforms and naval vessels in offshore operations; assistance in the creation of buoy fields […]