Royal IHC has been awarded the contract for the design and engineering of a 6,500yd3 trailing suction hopper dredge (TSHD) for U.S. based Cashman Dredging & Marine Contracting Co., LLC.The tailor-made shallow draft TSHD design combines advanced technology with a high level of maneuverability, the designer said. The diesel electric configuaration of the dredge will enable optimal power utilization for the various types of dredging works, and the engines will comply with air pollution regulations EPA Tier IV and IMO Tier III.