Underwater construction

Underwater construction is industrial construction in an underwater environment. There is often, but not necessarily, a significant component of commercial diving involved. It is a part of the marine construction industry.
Scope and applications.
Underwater construction is common in the civil engineering, coastal engineering, energy, and petroleum extraction industries.
Occupational safety and health issues.
Underwater work by divers on construction sites is generally within the scope of Diving regulations. The work may also come within the scope of other occupational heath and safety related regulations.