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

Commercial Diving

commercial diving

Diver deploying an explosive charge for dredging operation.

Commercial diving remains at the core of Substructure, Inc.’s business.

Experienced Commercial Divers

Substructure’s commercial divers are exceptionally well trained and have decades of experience throughout the world.

Our divers have worked underwater in environments ranging from the Arctic Ocean in winter to the Persian Gulf in summer.

These talented individuals have responded to oil spills and performed in ballast tanks, pump bays, and nuclear power plants.  They have conducted repairs at oil refineries and on pipelines, and have worked from the base of dams to the top of water supply tanks.

Our divers have provided services at marine terminals and on vessels, and have worked on dozens of marine archaeological sites worldwide.  

Timely & Effective

Our vast experience and inventory of specialized equipment enable us to respond to our clients’ needs in a timely and effective manner.  Some of the services that we routinely provide include:

  • Inspections of piers, bridges, dams, pipelines, and vessels
  • Maintenance of trash racks, traveling water screens, and sluice gates
  • Installing and repairing pumping equipment
  • Underwater construction
  • Dredge support
  • Structural rehabilitation
  • Installing cathodic protection systems
  • Vessel maintenance
  • Salvage
  • Biological growth removal
  • ROV (Remotely Operated Vehicle) services
  • 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

Safety

Substructure engages in professional operations that are constantly reevaluated for the complete management of risk.  Safety is our primary consideration while performing any of our services, but particularly during diving operations.

We only utilize professional equipment in top condition and we maintain our equipment to operate at peak performance. Our supervisors, divers, and tenders are commercially certified through ACDE (Association of Commercial Diving Educators) accredited commercial diving schools, and refine their skills constantly in the field.

We adhere to our own Safe Practices Manual, current ADC International consensus standards, and all OSHA requirements.  Safety cannot be stressed enough in our work.

Whatever issue you are facing, Substructure has the ability and experience to provide the solution.