The WTIV, a 16,000-tonne, harsh-environment jack-up able to operate in water depths down to 60 metres with a 900-tonne-capacity crane, is signed up to begin erecting 35 of Siemens’ 6MW SWT-6.0-154 turbines at the development in mid-June.
A2Sea chief Jens Frederik Hansen said the purpose-built Sea Challenger has secured work until the end of 2015.
The Sea Challenger is a sister vessel of the Sea Installer, which joined A2Sea’s fleet in late 2013 to install a pair of the 120-metre-diameter rotor version of Siemens 6MW turbine at Gunfleet Sands 3.
