ABS approves design of OOS-owned new semi-submersible crane vessel

American Bureau of Shipping (ABS) has recently granted an approval in principle (AIP) to the design of OOS International’s semi-submersible crane vessel (SSCV) OOS Zeelandia.

OOS International said via social media on Tuesday that the China Merchants Offshore Technology Research Center (CM-OTRC) and China Merchants Industry Holdings (CMI) had completed the basic design of the OOS Zeelandia SSCV.

According to the company, the vessel, when built, will have the largest lifting capacity in the world. The vessel is currently being classed by ABS who granted an approval in principle to the vessel design.

The vessel will have a total lifting capacity of up to 25,000 tonnes using two fully-revolving cranes of 12,500 tonnes each, and a large clear deck space of over 11,000 square meters.

It is designed to lift and transport a large offshore structure on its main deck, either for installation offshore in one lift, or for decommissioning in one piece and transporting back to shore for re-use, upgrade or dismantling and disposal.

OOS Zeelandia will be powered by twelve duel-fuel engines – MDO and LNG – of 85 MW total capacity and installed in six engine rooms for redundancy, the vessel will be fitted with a closed bus DP3 system, aided by high redundancy azimuth and tunnel thrusters.

Also, a large accommodation capacity for up to 492 crew and personnel in single and double cabins will make it self-sufficient for operation in remote areas worldwide for extended periods of time.

As for other OOS International vessels, CMHI is currently building two smaller vessels of similar design, named OOS Serooskerke and OOS Walcheren.

The first vessel on this concept is the OOS Gretha currently on a long-term charter for Petrobras in the Brazilian waters.

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