Eastern Shipbuilding Group, Inc. says it has delivered the M/V HOS RIVERBEND (Hull 204), their fourth and final vessel in the HOSMAX 300 series, to Hornbeck Offshore Services, LLC, ahead of schedule.
Each vessel is Diesel-Electric powered, twin Z-drive propelled OSV’s. These high-tech vessels feature four Caterpillar 3516C 16-cylinder turbo-charged Tier III diesel generator engines each rated at 1,825 kW at 1,800 rpm.
Main propulsion power is provided by two GE Energy furnished Hyundai 2,500 kW 690VAC electric motors driving two Schottel SRP 2020 FP Z-Drives with nozzles rated at 2,500 kW at 1,025 rpm each for a total of 6,704 Hp.
Schottel also provides two STT 4 fixed pitch tunnel thrusters rated at 1,180 kW at 1,170 rpm, each with direct coupled Hyundai 690VAC electric motors. GE Energy Power Conversions provides the complete system integrated diesel electric package, including the propulsion and thruster drives, motors, control systems, DP system, switchboards, motor control centers, automation and navigation/communication electronics.
These vessels are capable of a cruising speed of 12 knots. The fully integrated bridge is arranged for increased visibility and features the latest technology in navigation, communication equipment.
STX Canada Marine and Eastern Shipbuilding provided the STX SV300 design for these vessels from the very successful and proven Eastern Shipbuilding “Tiger Shark Class” Series. Eight (8) other Offshore Supply Vessels in this series have been delivered to Eastern’s clients and have already proven themselves in worldwide operations.
Eastern add that the Group is currently under contract constructing a total of sixteen vessels of similar size and complexity for customers in the United States and in Brazil. These contracts will maintain Eastern’s reputation as the largest OSV/PSV and MPSV new construction shipyard in North America.