Secondly, an OBO could carry oil on one leg of a voyage and return carrying dry bulk, reducing the number of unprofitable ballast voyages it would have to make.
The design of these vessels have significantly been improved compared to the vessels made in the seventies, and all problems which were related to the OBO-concept have been dealt with.
He said the contractor should implement safety measures required by the OBO and the city engineering officer if they were to continue with the project.