Search techniques with divers:

If divers are involved, environmental conditions, such as current, visibility, underwater conditions and the nature of the soil, are to be considered. The location of hidden objects can be perfectly executed with non-diving surveys, but diving is often the best way to investigate and identify the objects. They make it easier to determine the impact and to decide what would be the most sustainable solution after location (as recovery). Usually the seabed will be divided into sections, by means of ropes and buoys. Divers will always be equipped with special tools such as metal detectors...