Page 52: of Marine News Magazine (May 2020)

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VESSELS

Bollinger Delivers ATB to Crowley helmet. The tug is ?tted with two GE 8L250 main engines that meet U.S. EPA

Tier 4 emissions standards. The generators on the tug and barge meet EPA Tier 3 and

IMO Tier II emissions standards.

In addition, the ATB features a patent- pending closed loop, freshwater ballast system whereby the tug’s ballast will be

Credit: Bollinger

Crowley Fuels took delivery of its new on-site construction management by transferred to-and-from a retention tank

Alaska Class 483-foot, 100,000-barrel, ar- Crowley Shipping. on the barge to account for fuel burn. ticulated tug-barge (ATB) from Bollinger Jensen Maritime designed the ATB The design has been approved by the

Shipyards. The ?rst ATB in Crowley’s ?eet to meet Ice Class and Polar Code re- USCG and will eliminate the need to to be dedicated to the Alaska market, it will quirements, which includes increased discharge tug ballast water into the sea. operate for Alaska-based Petro Star Inc., a structural framing and shell plating and The 128- x 42- x 21-foot tug is wholly owned subsidiary of Arctic Slope extended zero discharge endurance. The equipped with a ?re monitor and foam

Regional Corporation (ASRC) under a double-hulled design also features a proportioner, providing off-ship ?re?ght- long-term charter. The barge is named Oli- barge form factor to achieve high-cargo ing capabilities to the barge. The 400- x ver Leavitt, and the tug is named Aveogan. capacity on minimal draft. 85- x 32-foot barge is also out?tted with

The ATB, to be classed by ABS, was The 7,000-HP tug has twin Azimuthing spill response gear and a hydraulic boom constructed at the Bollinger Marine drives and an Intercon C-series coupling reel with 2,000 linear feet of in?atable

Fabricators facility in Amelia, La., with system with a ?rst-of-its-kind lightering boom to support spill response efforts.

Osage Takes Towboat Delivery from Master Marine

Master Marine, Inc. delivered a sec- ond towboat for Osage Marine Services,

Inc. The newly built M/V Frank Mellor, like its sister ship, is a 67’ x 28’ vessel designed by Entech Designs, LLC. All

USCG certi?cates for their Sub M com- pliance have been obtained.

The towboat is powered by a pair of

Credit: Master Marine

Laborde Products, S6R2-Y3MPTAW seals. RIO Controls and Hydraulic, Inc. windows and Dales Welding and Fabri-

Mitsubishi 803 HP Tier III diesel ma- supplied the steering system for the two cators, LLC supplied the aluminum exte- rine engines to be operated at 1,400 7” main and four 7” ?anking rudders. rior doors. Wintech International, LLC

RPM coupled to Twin Disc 5321 gears.

Schuyler Maritime, LLC provided all delivered a pair of 40-ton deck winches.

Laborde Products, Inc. is also provid- 18” x 12” rubber fendering around the en- New World, Inc. provided all of the ing electrical power with two Northern tire perimeter of the vessel and push knees. electronics and communications, while

Lights M65C13.2S 65KW Tier III elec- Gulf Coast Air & Hydraulics Inc. pro- the alarm system was supplied by Un- tronic controlled generators with RW vided a pair of Quincy F325 reciprocat- limited Control & Supply, Inc.

Fernstrum, Inc. keel coolers throughout. ing air compressors and ventilation fans. Each boat has 10,400 gallons of fuel,

A pair of Sound Propeller Services, Inc. Out?tters International will provide a 4,359 gallons of potable water and 70” X 48” X 7” four-blade stainless steel Daiken mini-split heat pump HVAC sys- 9,500 gallons of ballast water along with propellers will provide thrust through tem in all interior spaces with Blakeney providing a maximum 7’-9” working two J & S Machine Works Inc. 7” ABS Marine providing all custom woodwork draft. Each vessel has three crew state-

Grade 2 propeller shafts with all Thordon and interior ?nishes. Donavon Marine rooms for six crewman, 1.5 baths and a

Bearings, Thorplas bushings and shaft supplied the large Bomar aluminum full galley arrangement.

May 2020 52 MN