SUBSTRUCTURE | P.O. Box 4094 | Portsmouth, NH 03802 | (603) 436-1039

What types of tasks can be performed by Substructure’s commercial divers?

commercial diving: underwater welding

Diver welding an anode to the hull of a vessel.

The type of tasks normally performed by commercial divers is extremely varied.

Some commercial diving companies provide a limited number of services, while others, due in large part to more experienced personnel and a greater supply of equipment, are able to provide a broader range of services to their clients.

A Diverse Array of Services

Since Substructure can draw upon both extremely experienced personnel and a diverse array of specialized equipment, we are able to provide a correspondingly diverse array of services.

Some of these services include:       

  • Inspections of piers, bridges, dams, pipelines, and vessels
  • Cleaning and repair of trash racks and traveling water screens at power plants
  • Installing and repairing pumping equipment
  • Underwater construction
  • Dredge support
  • Structural rehabilitation
  • Installing cathodic protection systems
  • Vessel maintenance
  • Salvage
  • Biological growth removal
  • Installation of revetment mats
  • Setting underwater explosives
  • Installing pile encapsulations
  • Concrete forming and pumping
  • Underwater burning and welding
  • Oil spill recovery
  • Potable water system inspection and maintenance
  • Archaeological site surveys and recovery
  • Oceanographic and hydrographic research support



Next: What conditions can affect commercial diving operations?