Method for installing a topside module on an offshore support structure

摘要

Method for installing a topside module (10) on an offshore support structure that in use comprises at least one support leg (14) that extends a height above the water level (16). The method comprises the steps of supporting said topside module (10) on a barge (12) in a position adjacent to said at least one support leg (14) and de-ballasting the barge (12) to lift the topside module (10) a height (H) above water level (16).