Heerema Marine Contractors Nederland B.V. (HMC) was awarded a contract by Norsk Hydro for the transportation and installation of three subsea structures in the Ormen Lange Field.

The structures were installed in approx. 850 m waterdepth. The scope of work comprised of the transportation and installation of 2 Foundation Bottom Structures and 1 PLET. The installation was performed by the Thialf in the summer of 2005 (dual crane operation).

HMC’s scope included the necessary management and engineering to execute the marine transport and installation of the subsea structures.

Main Characteristics

Offshore Start Date: 2005-Q1
Offshore End Date: 2005-Q4

Main Spread
Vessel: --
Transport Vessel(s): Thialf
Hamers: --

Main Technical Data
Bottom Structure: Integrated Foundation Bottom Structure with Manifold - Weight: 1,150 mT
Foundation Bottom Structure: For Piple Line End Terminations - Weight: 325 t