Grout Bag Support with elliptical shape to reduce direct force of current onto support.
Large scour skirt with grouted anchor beams were also attached.
Solution was part mechanical part diver installed on soft riverbed condition in tidal estury with Black water.
Grouting on seabed in 280 m water depth with subsea grouting manifold.
Built-in lifting slings for possible recovery of the grout bag support.