Pre-installation survey

The design of subsea routes or any subsea constructions normally takes a long period of time to be completed. When a pre-engineering survey for designing a route is done, since noumerous events and changes might have taken place on the seabed in the long run, it is necessary to perform another survey within a brief period of time which is called pre-installation survey.
Running a pre-installation survey ensures us whether there are any new sunken objects and debris or not. Therefore, this operation is a decisive factor in subsea constructions.

All Results for pre-installation survey are presented in the following reports:

  Final text report “Pre-installation survey final report”
  Alignment sheets

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