Underwater Inspection

Our trained divers perform basic visual inspections of underwater structures to assess for damage (missing parts and dents) and observe conditions. In addition, we have divers trained in specialised inspection techniques, such as, NDT.

Bridge and Culvert Inspection


Associated Diving Services (ADS) specialise in underwater bridge structures (piles, piers, and abutments) and culvert inspections, having had extensive experience in this field, working with local Authorities and private companies. We provide custom made comprehensive reports for engineers which contain a written condition report with photographic and video evidence if required.


Specialised Inspection Techniques:

  • Cathodic protection surveys (Electrical potential measurement and anode inspection)

  • Corrosion damage inspection

  • Debris inspection/removal

  • Non-destructive testing (NDT)

  • Scour and stability inspections

Bridge Maintenance

Services Provided:

  • Band Installation

  • Core Sampling

  • Installing Cathodic Protection

  • Pile Wrapping

  • Removing Marine Growth from Underwater Structures

  • Scour Repair