Page 45: of Marine News Magazine (March 2015)

Fleet Optimization

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Eastern Shipbuilding’s Vision for U.S. Inland Waterways friendly, highly maneuverable Inland Towboat design.

Eastern has worked with Gilbert Associates, Inc. develop- ing its new fresh hybrid THUNDERBOLT diesel electric design. The THUNDERBOLT has been designed using

ABS Class Rules for Building and Classing Steel Vessels for Service on Rivers and Intracoastal Waterways-2014. It is also designed to the Proposed U.S. Coast Guard 46CFR (Sub-Chapter M) Towing Vessel Rules and IEEE 45 2002

Standards. In a nutshell, the THUNDERBOLT is a 120’

Eastern Shipbuilding Group, with 74 Inland Towing Inland River Class Towboat with 690VAC diesel-electric

Vessel deliveries to industry since 2007, has introduces and twin azimuthing Verhaar Omega electric V-Pod Pro- its vision of the future for inland waterways with its 120 pulsion Units. Cummins Mid-South, LLC is providing the foot, 4,200 horsepower Inland Towboat design named the generator package with 3 identical diesel-electric power

THUNDERBOLT. The THUNDERBOLT combines plants, Cummins QSK38-DM. Each engine is rated EPA

Twin Electric V-Pod Propulsion and Diesel-Electric Tech- Tier 3, V-12 Cylinder, 38 Liter, 1,400HP @ 1,800RPM nology, providing increased ef? ciency, performance, ma- Marine Diesel Engine. These 3 engines provide optimal neuverability, crew comfort and capacity. On the rivers, fuel consumption with 4,200 total installed horsepower.

Thruster Propulsion Systems are starting to get noticed Each engine also powers a Cummins AVK DSG-74 water- and are outperforming conventional nozzle propeller pro- cooled generator, which can supply at 990kW, 690 VAC pulsion systems with main/? anking rudder steering. East- at 1,800 RPM. The vessel’s design offers enhanced perfor- ern Shipbuilding Group, Inc. and Verhaar Omega, B.V. mance of V-Pod propulsion, diesel-electric with constant began discussions and realized they were driving towards speed generator engines, with less vibration and noise along a more re? ned towboat thruster propulsion system design. with power management and automation. This results in

Eastern is now integrating their proven “Tiger Shark Class” lower operating costs, system redundancy, increased safety,

Diesel-Electric technology into a re? ned, environmentally increased crew comfort and less crew fatigue.

Thunderbolt Design Details at a Glance …

Length (Molded): 120’ Hull Depth Amidships: 11’ Berths: Ten (10)

Beam (Molded): 36’ Design Waterline (DWL): 9’ Total Fuel Oil: 40,326 USG

Harvey Energy: Historic First for U.S. LNG Power

The ? rst ABS Classi? cation Certi? cate and the ? rst

USCG Certi? cate of Inspection for a vessel powered by

LNG have been issued to Harvey Gulf Marine’s Harvey

Energy. The M/V Harvey Energy is the ? rst LNG powered vessel in service in North America. Earlier, Harvey Gulf celebrated the ? rst truck to vessel transfer of LNG, the ? rst vessel to bunker LNG and was the ? rst U.S. Flagged LNG powered vessel to enter into port while being powered by

LNG. The vessel will be based out of Port Fourchon, LA and will immediately begin its long term charter role.

Harvey Energy at a Glance …

Length: 310’ Draft: 24.5’ Built: GCSG Power: 3 Wartsila 6L34DF df gensets

Breadth: 64’ DWT: 5,150 tonsLiquid Mud: 18,000 bbls Fuel Capacity: 78,000 USG (LNG) 45 MN

Marine News

Marine News is the premier magazine of the North American Inland, coastal and Offshore workboat markets.