Deep-Submersible Offshore (Wind Power) Installation Platform

Built: Nov 2021

Classification: CCS

Class Notation: CSA, Submersible, Offshore Wind Turbine Service Unit, Crane Unit, Lifting Appliance, IWS
Pontoon: 81.8 × 81.8 m octagonal structure with ballast tanks and 8 positioning anchors

Columns: 4 heavy-duty columns with multiple tank arrangements and vertical access

Deckbox: 81.8 × 86.9 m upper deck providing large open assembly space

Cylindrical Buoys: 8 additional cylinders enhancing stability during submerging and lifting operations
Minimum Transit Draft: 9.20 m
Maximum Transit Draft: 11.60 m

Maximum Working Draft (Bottom Sitting): 52.00 m

Accommodation: 118 persons

Endurance: 40 days
Cargo Deck Load: 5 t/m²
Wind Blade Assembly Area: 10 t/m²

Large open deck space suitable for turbine blade, tower, or nacelle assembly
Cranes and Lifting Equipment

600T Full-Swing Crane

Max Capacity: 600T, Auxiliary: 120T

Lifting Height: 122 m

Reserved interface for future 2500T crane installation
300T Full-Swing Crane

Max Capacity: 300T, Auxiliary: 40T

Suitable for secondary lifting and turbine maintenance tasks
Mooring and Positioning

8-point mooring system with mechanical winches and load-sensing fairleads

Delta HHP Anchors: 8 units, 22.5 tons each

Operational Limits:

Wind ≤ 13.8 m/s

Current ≤ 2 knots

Significant wave height Hs ≤ 1.5 m

Ensures precise positioning during installation and bottom-sitting operations
Marine and Safety Systems

Firefighting: 50 hydrants, CO2, foam, and dry powder systems, fully SOLAS-compliant

Life-saving Appliances:

Designed for offshore wind turbine installation and maintenance
600T full-swing crane with reserved interface for 2500T crane upgrade
118-person accommodation and 40-day endurance
8-point mooring system with high-precision positioning
Robust submersible design enabling bottom-sitting operations up to 52 m

Promoted on the platform by GRS, connect for more information.