OTL has been awarded a contract by ZPMC to perform the complete engineering design of a heavy marine transportation of a semi-submersible from China to Brazil on ZPMC's Zhenhua 15 vessel. The scope of work includes the design of four added sponsons, the loading conditions, the structural analysis of the vessel and the cargo, the marine operation, sea-fastening, cribbing wood design, and the operation manual of the transportation. The modified vessel will be re-classed by ABS for the transport.