FPSO risers pulled in, hooked up and commissioned on new North Sea asset

Hydrocarbons risers and umbilicals pulled in, turret connected and STP area constructed utilising a fully integrated solution to bring a new asset online.


  • Cost effective integrated solution from one contractor to provide consistency
  • Market leading expertise from multi-disciplined team to ensure quality and safety
  • Fast response to fit with tight timescales
  • Specialist expertise and experience with round the clock support across regions


BW Offshore engaged Altrad Sparrows to assist with the Hook Up and Commissioning (HUC) of the Catcher FPSO in the North Sea including:

  • Pull in subsea risers and umbilicals
  • Install Emergency Shutdown Valves (ESDVs) and seal cans
  • Carry out flange management activities
  • Skid turret to permanent position
  • Reinstate process pipe spools
  • Install permanent work platforms and grating
  • Operation and maintenance of gantry cranes
  • Manufacture, pressure test and flushing of small bore pipework and sample panels
  • Meet all project targets and provide support to achieve first oil on deadline.


  • Key personnel travelled to Singapore to survey the worksite and join the BW Offshore team for dry run of HUC activities
  • Suite of lift plans generated for all lifts to take place during dry run and HUC
  • Tailored flange management procedure generated for the scope
  • Provision of equipment including - rigging equipment, tensions tools, torque tools, manual handling equipment, pressure/flushing Hydraulic Power Unit (HPU), hydraulic and mechanical hand and air tools, lighting and communications equipment
  • Dedicated onshore focal point and rigging leads to provide consistent client contact points throughout the eight-month scope
  • Provision of training services to coach BW Offshore stadd in use of monorail gantry cranes
  • Created a Failure mode, effects and criticality analysis (FMECA), Planned Maintenance Routine (PMR) suite and recommended spares list for turret gantry crane to enable correct maintenance and minimise downtime
  • A multi-disciplined ad-hoc squad was utilised including – rigging supervisors, rope access trained riggers, rope access trained bolting technicians, level 3 rope access supervisors, gantry crane operators, senior hydraulic technicians and piping / small bore tubing technicians, Lifting Operations and Lifting Equipment Regulations (LOLER) inspectors.


Integrated soutions

  • Crane and lifting services
  • Mechanical handling
  • Hydraulic system management


  • Multi-discipline engineering/design
  • Crane operations
  • Rigging / lifting
  • Maintenance / servicing / refurbishment
  • Rope access
  • Fluid power / hydraulics
  • Site Surveys
  • Training / coaching
  • LOLER inspection

Equipment rental

  • Rigging / lifting equipment
  • Mechanical handling equipment
  • Tension / torque tooling
  • Hand and air tools
  • Hydraulic equipment.
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