Jan de Nul orders rock installation vesselsVessel & ROV News // May 7, 2015
Jan de Nul's rock installation vessels will be delivered in 2017.
Dredging, marine and offshore contractor Jan De Nul is investing in two 6,000 tonne rock installation vessels and has ordered the vessels from AVIC Weihai shipyard in Weihai, China.
The vessels will be able to install rock at depths up to about 600m by means of a flexible fallpipe. An inclined fallpipe will enable accurate rock installation around structures such as offshore wind turbine foundations and offshore oil and gas platforms.
The vessels will also act as a support vessel for a subsea trencher, for the burial of cables. In addition, a cable carrousel with related equipment can be installed on board, to install cables on the seabed.
The diesel-electric vessel will have class 2 dynamic positining and accommodation for 60 people in single cabins.
The vessel will also comply with the IMO Code for Special Purpose Ships.
The two sister vessels will be delivered in 2017.