All activities in the field of construction, including but not limited to the construction, installation, maintenance, repair, improvement and decommissioning of offshore platforms as well as the laying, maintenance and repair of pipelines in aquatic environments; providing technical advice, preparing, developing and executing technical works, assigning any construction or decommissioning contract for offshore platforms, developing new working techniques, all for its own account or for the account of third parties (cf. statutes for full purpose).