China’s COSCO Shipping Heavy Industry has launched a new inspection, maintenance and repair (IMR) vessel ordered by Norwegian offshore support specialist Sea1.
Sea1 Diamond is the first of four IMR vessels that Sea1 had ordered from the same builder. All four vessels, which Sea1 has classified as offshore energy support vessels (OESVs), will be used to support customers in the renewables and oil and gas markets.
Upon completion, the OESV will have a length of 120 metres, a total cargo deck area of 1,400 square metres, a 250-tonne deck crane, a hangar for remotely operated vehicles, a moonpool, and accommodation for up to 120 personnel.
The propulsion systems will include generators that will be methanol-ready and will be able to operate on 100 per cent biofuel. Kongsberg will meanwhile supply her deck equipment.
Design work on Sea1 Diamond and her sisters was undertaken by Norwegian naval architecture firm Skipsteknisk. The vessel is scheduled for delivery in 2027.
Construction is also underway on Sea1 Citrine, the second vessel in the series.
