Before revision: Energy infrasructure Inshore and offshore wind farms Tidal power and wave power generation Hydroelectric plant Power station cooling system intakes and outfalls Offshore petroleum extraction Marine wellhead completions Offshore moorings Subsea pipelines Relevant technology Civil engineering Coastal engineering Structural engineering Underwater concrete placement – Tremie, skip, Pumped concrete, toggle bags, bagwork .
After revision: Energy infrasructure Inshore and offshore wind farms Tidal power and wave power generation Hydroelectric plant Power station cooling system intakes and outfalls Offshore petroleum extraction Marine wellhead completions Offshore moorings Subsea pipelines Relevant technology Civil engineering Coastal engineering Structural engineering Underwater concrete placement , by, usually to build foundations or coastal structures Tremie, skip, Pumped concrete, toggle bags, bagwork .