New acoustical technology comes to all authorities operated in water environmental field. Sonar images are very helpful during technical state inspection. It's good way to look into underwater space and easily plan renovation and repair operations.

BOTTOM AND PROFILE IMAGE ARROUND ONE OF THE PILLAR SIDE

Merge of bottom and profile images wrought in predefined points is a wonderfull source of information that allow analyse the part of bottom near pillars. In addition the sonar image shows condition and size of preventage addition.