TM Edison (a joint venture referenced in the sources as involving Jan De Nul and DEME) carried out pre-construction offshore seabed works for the Princess Elisabeth Island (MOG II) energy-island. The described scope included pre-construction dredging, installation of the rubble mound for caisson foundations, scour and toe protection rock placement, and preparation/levelling of the caisson filter bed at the offshore site as part of the island’s construction programme.