Figure 72 Full motion-compensated turbine access system, courtesy of Ampelmann.
Function
Turbine access systems provide access to the turbine from a CTV or SOV. Systems are designed to permit access to the turbines in as wide a range of sea-states as possible, in the interests of maximising possible maintenance and service time and turbine availability.
What it costs*
Costs typically included in vessel costs.
Who supplies them
Suppliers include Ampelmann, Fjellstrand, Houlder, Osbit, Uptime, Pict Offshore and Windcat.
Key facts
Many SOV based systems are based on motion compensated gangways that react in real-time to changes in the sea surface, providing a stable platform to allow personnel to walk from the vessel onto the turbine. Motion compensating gangways have been trialled on CTVs.
Such systems are designed within operational limits, and will not permit access in the most severe sea-states.
What’s in it
- Control systems
- Hydraulics
- Steel infrastructure