Subsea rock installation vessels
Subsea rock installation vessels are used for rock placement to protect marine infrastructure, especially for offshore energy.
Subsea rock installation vessel, suitable for installation of a wide range of rock sizes through a fallpipe in the moonpool, through a fallpipe over the side or through a tremie pipe over the side. With a DW of 14,000t, a length of 154 m and a beam of 28 m, the vessel can operate in depths of more than 600 metres.Read story
Ulstein designed subsea rock installation vessel for GLDD will be America’s first
GLDD orders Jones Act compliant rock installation vessel to serve U.S. offshore wind. The vessel, an ULSTEIN S211 design, has been developed by Rotterdam based Ulstein Design & Solutions B.V. and will be constructed by Philly Shipyard. The contract includes the option for a second vessel.Read story
SRI vessels, indispensable for offshore wind
Subsea rock installation (SRI) vessels are widely used in the offshore industry, stabilising and protecting subsea pipelines, cables and other structures at the sea bed. For the offshore wind industry, SRI vessels also lay protective coverings of rock around turbine foundations, to avoid scouring.Read story