PERFORMING BATHYMETRIC SURVEY IN OFFSHORE TERRITORY OF THE CASPIAN SEA

The request has been sent to our company by Client with the purpose of conducting Bathymetric survey investigation at the sea basin of Caspian sea, and because of the contest, The CASPIAN GEOMATICS has been chosen as an executing company of the project.

The Bathymetric Survey on the project area have been commenced on behalf of us, according to the contract concluded between Client and CASPIAN GEOMATICS company. The completion duration of the project has been 3 calendar days (ahead of the due time).

Mainly the project area is the open sea basin. Namely, from this point of view, the structure of the surface (coastal zones) and bottom relief are quite simple. As the project area is the open sea basin, a lot of tides have an adverse impact on the course of the work. The appropriate weather condition has been chosen regarding to the velocity of wind and the Bathymetric investigation have been concluded within a short time.

The project missions put into words of followings:

  1. Performing bathymetric survey.
  2. Performing Topographic planning in onshore territory.
  3. Bathymetry mapping.
  4. Bathymetry and 3D modelling.

First and furthermost, we should note that, the CASPIAN GEOMATICS company has a very strict HSE discipline policy in operating hydrometry and topographic works in the rivers, lakes, water bodies and shelves by the implementation of the floating vehicles. The implementation of the hydrometry works and topographic planning around water are operated in the floating vehicles (in the ships and streamers, barges, motorboats, oar-boats, dinghies, etc.), thus, all the conduction of these works is considered highly dangerous. The HSE specialists of the Caspian Geomatics are qualified according to the international norms.

Having the visual check of the area at first, our specialists put through the topographic planning in the 1:500 scale according to the technical task. The digital maps and models (Bathymetric model and so on) meeting the requirements of the Client have been worked out based on the modern software. Furthermore, it should be noted that this unit system has been taken as a basic in the arrangements of the maps and building of the models. It should be emphasized that, as the movement by boat was impossible due to the echo sounder on coastal areas, particularly in the shallow places, those areas have been taken into the plan with the help of the electronic tachometer.

 As a conclusion of the works done, 85 pages report has been presented. The methodology of the works, data about maps and models have been expressed in the provided report.

 

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