Construction & Installation

With an emphasis on safety, DOF Subsea provides a complete range of diving services for construction and inspection, repair and maintenance activities.
As an integrated approach our project teams apply expertise in a variety of disciplines from field development studies through subsea installation, field enhancement and decomissoning.
 
It is our ability to match services, expertise and equipment to the requirements of each individual operation that underpins our reputation for safe, efficient and cost effective project delivery.
 
  • Subsea Umbilical, Risers, Flowlines (SURF)
     
  • Installation subsea structures (including tie-in and hook up to fixed and floating facilities)
     
  • Installation engineering, ROV based interventions, Diverless tie-ins
     
  • FPSO, mooring buoy and mooring system installation
     
  • Spools, PLEM/Manifold lifts and installation
     
  • Tie-in, hook-up and diverless intervention
     
  • Precommissioning and commissioning
     
  • Design, procurement and fabrication of subsea structures
     
  • Stabilisation of pipelines/flowlines
     
  • Pipe lay barge support
     
  • Marine operations engineering, FPSO installation, rig moves, mooring, float-over mating, towing