VESSEL REVIEW | Green Wave – Plimsoll Marine’s heavy duty pusher tug built for Mississippi River sailings

TUG AND SALVAGE WEEK
Photo: Cooper Group of Companies

Shipbuilder Blakeley BoatWorks of Mobile, Alabama, has delivered a new inland pusher tug to the Cooper Group of Companies. Named Green Wave, the vessel will be owned by Cooper subsidiary Plimsoll Marine and will be operated primarily on the Lower Mississippi River.

Designed by Farrell and Norton Naval Architects in compliance to US Coast Guard Subchapter M requirements, the new tug has a length of 70 feet (21.3 metres), a beam of 28 feet (8.5 metres), and two Caterpillar C32 diesel engines that each produce 800 hp (596 kW). The EPA Tier III main engines drive a pair of Southeastern Propeller four-blade, stainless steel propellers via Twin Disc MGX5222 gearboxes. Hydra Force meanwhile supplied the steering system for the two main and four flanking rudders as well as a pair of Quincy reciprocating air compressors

Electrical power is drawn from two Caterpillar C4.4 EPA Tier III generator sets. Ventilation fans were provided by Donovan Marine while Schuyler Maritime supplied varying sizes of rubber fendering around the perimeter of the vessel and push knees.

Stone Construction provided a Mitsubishi split-duct HVAC system in all interior spaces with Blakeley BoatWorks providing all custom woodwork and interior finishes. Bozant supplied rubber-framed windows and Donovan Marine supplied a pair of Patterson Manufacturing deck winches. Blakeley BoatWorks installed all electronics, communications, and an alarm system.

Green Wave has capacities of 22,000 gallons (83,279 litres) of fuel and 5,200 gallons (19,684 litres) of fresh water. The vessel is outfitted with four staterooms housing seven crewmen as well as three baths and a full galley arrangement.

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Green Wave
SPECIFICATIONS
Type of vessel:Pusher tug
Classification:US Coast Guard Subchapter M
Flag:USA
Owner:Cooper Group of Companies, USA
Operator:Plimsoll Marine, USA
Designer:Farrell and Norton Naval Architects, USA
Builder:Blakeley BoatWorks, USA
Length overall:70 feet (21.3 metres)
Beam:28 feet (8.5 metres)
Main engines:2 x Caterpillar C32, each 800 hp (596 kW)
Gearboxes:2 x Twin Disc MGX5222
Propulsion:2 x Southeastern Propeller four-bladed propellers
Generators:2 x Caterpillar C4.4
Steering system:Hydra Force
Rudder:6
Winches:2 x Patterson Manufacturing
Fendering:Schuyler
Other equipment installed:2 x Quincy air compressors; Donovan Marine ventilation fans; Mitsubishi HVAC
Windows:Bozant
Interior designer:Blakeley BoatWorks
Interior fitout/furnishings:Blakeley BoatWorks
Type of fuel:Diesel
Fuel capacity:22,000 gallons (83,279 litres)
Freshwater capacity:5,200 gallons (19,684 litres)
Accommodation:4 x staterooms; 3 x baths; galley
Crew:7
Operational area:Mississippi River, USA

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