Seaway Alfa Lift
A dynamically-positioned, semi-submersible foundation installation vessel for the offshore wind industry.
Vessel Type
Owned By
Seaway 7
Built By
Partner yard
Year
2022
IMO Number
9889980
Primary Specifications
Length
216.3 m
Beam
56 m
Speed (max)
13 kn
Accommodation
100 POB
Additional Data
Propulsion thrusters
3 x 5,500 kW
Retractable thruster
1 x 3,000 kW
Tunnel thrusters (fwd)
3 x 3,000 kW
Liebherr main crane
3,000 mt
Deck strength
30 t/m2
Positioning system
DP 2
Class
DnV
Note: Specifications may have changed since the original completion date.
The new build was originally ordered by OHT (Offshore Heavy Transport) and later acquired by Seaway7. The vessel was constructed at the CMHI Haimen shipyard (Yno CMHI-207).
The vessel's crane will have a maximum lifting capacity of 3,000 tonnes at 30 metres and 1,000 tonnes at 76 metres outreach.
Ship history
March 2019: Steel cutting
October 2019: Keel laying
January 2020: Nominee for the Offshore Renewables Award
February 2021: Launching at the CMHI yard
2022: Delivery