SERVICE

OFFSHORE WIND POWER O&M SERVICE

We provide services including offshore surveying, positioning, ROV and a variety of subsea services to support the offshore wind farm industry.
We have the capacity to support all operational phases of a wind farm, including preparation, implementation, maintenance and end-of-life phases.

SURVEY Service

▶ Marine Survey Service Before Installation Work

• · Geophysical Survey : Pre-engineering Survey
• · Geotechnical Survey : Vibrocore / Box core / Drop core Survey

▶ Installation Construction Service

• · Pre / Post Installation Survey
• · Debris Survey
• · Submarine Cable Route Survey
• · Gradiometer / UXO Survey

ROV service

▶ Offshore Wind Power Installation Work

• · 소형 ROV / Submarine cable installation support
• · Work Class ROV / Support for installation of underwater facilities
• · Pin Pile Cleaning, Jacket Stabbing, Jacket Clamping, Gout Monitoring, Seabed & J-tube Bellmouth Caps Inspections

▶ Offshore Wind Power Maintenance

• · Underwater inspection and maintenance using ROV
• · Inspection of substructure
• · Undersea cable inspection
• · Mooring Line Inspection

▶ Floating hull part

• 1) Damage to the structure. (joint part particularly)
• 2) Undersea connection condition of Boat landing.
• 3) Connection of mooring chain.
• 4) Rate of anode corrosion.(%)
• 5) Damage of anode.
• 6) Damaged area of paint.
• 7) The strength of attachment of seaweeds. (Soft/Hard)
• 8) Cable head part to the hull.
• 9) Undersea species status. (Increase, Ecrease)

▶ Submarine cable part

• 1) Submarine cable installation work within Monopile.
• 2) Dynamic cable rout. (Damage of cable clothing, configuration)
• 3) Connection condition to the floating structure.
• 4) Attachment status of wreckage such as seaweed and nets.
• 5) Near the cable touchdown of undersea ground. (mattress status, trenching status)
• 6) Cable joint status and position fixing.
• 7) Status of cable trenching.

▶ Mooring Line and Sea Bottom

• 1) Check of the floating mooring line. (Twisting, Damage, Attached nets, Status of attached seaweed)
• 2) Near the cable touchdown of mooring line.
• 3) Status of undersea wreckage.
• 4) Check of anchor point and fixing. (not available to check undersea ground)
• 5) Overall status of undersea ground and depth of water. (by sonar)