Master Marine Inc., Bayou La Batre, Ala., was awarded a contract from Marine Chartering Associates LLC, Houston, to build a Subchapter M 64'6"x28'x9’6” 1,600-hp towboat. The towboat design is from Entech Designs LLC, Kenner, La.. There is an option for a second boat.
The new fleet towboat will meet “all Subchapter M requirements,” said Steven Authement, Master Marine’s director of business development. “The first vessel will be delivered and placed into service by the end of summer 2020 with the additional option vessel if exercised to follow.”
Additionally, Master Marine has delivered the first of two 67'x28' Entech-designed vessels to Osage Marine Services Inc., St. Louis. It’s Osage’s first newly built towboat and it has all of its Coast Guard certificates for Subchapter M compliance.
The towboat for Marine Chartering will be powered by a pair of Laborde Products-supplied Mitsubishi S6R2-Y3MPTAW 803-hp Tier 3 diesel marine engines to be operated at 1,400 rpm coupled to Twin Disc MGX-5321DC gears.
Devall Diesel Services is providing electrical power with two John Deere 4045 65-kW Tier 3 electronic controlled generator-drive engines. The main engines, gears and generators will be cooled by RW Fernstrum keel coolers.
A pair of Hung Shin Marine Propulsion LLC 70"x48"x7", 4-bladed stainless steel propellers will provide thrust through two J&S Machine Works 7" ABS Grade 2 propeller shafts with Thordon bearings, Thorplas bushings and shaft seals with the steering system provided by Custom Hydraulic Components Inc.
Schuyler Maritime LLC will provide 18"x11" rubber fendering around the perimeter of the vessel and push knees. Gulf Coast Air & Hydraulics Inc. will provide a pair of Quincy F325 reciprocating air compressors and ventilation fans, while R.S. Price & Son Inc. will supply a mini-split heat pump HVAC system in all interior spaces. Blakeney Marine will handle the custom woodwork and interior finishes.
Donovan Marine will supply the large aluminum Diamond Sea Glaze windows and the aluminum exterior doors will be from Dales Welding and Fabricators LLC. Byrne Rice & Turner Inc. will supply a pair of Nabrico 40-7HE 40-ton deck winches.
Capacities will include 15,600 gals. of fuel, 4,359 gals. potable water and 9,500 gals. ballast water along with providing a maximum 7'9" working draft. Each vessel will have three crew staterooms, 1-1⁄2 baths and a full galley arrangement.
Each Osage Marine boat will be powered by a pair of Laborde Products-supplied Mitsubishi S6R2-Y3MPTAW 803-hp Tier 3 diesel marine engines, operated at 1,400 rpm coupled to Twin Disc MGX-5321 gears. Laborde Products is also providing electrical power with a pair of Northern Lights M65C13.2S 65KW Tier 3 electronic controlled generators with Fernstrum keel coolers throughout.
A pair of Sound 70"x48"x7", 4-bladed stainless steel propellers will provide thrust via ABS Grade 2 propeller shafts with Thordon bearings, Thorplas bushings and shaft seals. RIO Controls and Hydraulics Inc. is supplying the steering system for the two main and four flanking rudders.
The boat will have a pair of Quincy F325 reciprocating air compressors and ventilation fans. Schuyler will provide all 18"x12" rubber fendering around the outside perimeter of the vessel and push knees. Outfitters International will provide a Daiken mini-split heat pump HVAC system in all interior spaces with Blakeney Marine providing all custom woodwork and interior finishes.
The towboat will have a pair of Wintech 40-ton deck winches.
Each boat will have 10,400 gals. of fuel, 4,359 gals. potable water and 9,500 gals. ballast water along with providing a maximum 7'9" working draft. Both towboats will have three crew staterooms for six crewman, 1-1⁄2 baths and a full galley arrangement.