January 24, 2020 Rohr-Idreco delivers jet suction dredger to HH Van der Velde Written by Baird Maritime on January 24, 2020. Posted in Dredging and Land Reclamation. Netherlands-based Rohr-Idreco Dredgers has handed over a new jet suction dredger to local operator HH Van der Velde. The newbuild has a working depth of 40 metres and may .. Read More