Page 51: of Marine News Magazine (February 2018)

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VESSELS

Modutech Marine’s Work Boat Medium delivered in December of 2017 with the others to follow in sequence through December 2019. Triple shutter-type rudders are mounted behind each prop. A pair of Bloom deck winches are mounted forward, port and starboard, so as to function with a pair of cheek blocks mounted along- side the pilothouse for making up to a barge with the push

The US Navy has dedicated ports and support facilities knees. A towing bitt is mounted on the after deck. Heavy worldwide and they need ef? cient and handy boats to sup- bollards are mounted on both sides for mooring and for port the warhorses. To meet this requirement, the naval working barges or other equipment on the hip. D-Rubber architect ? rm Hockema & Whalen and Associates have fendering surrounds the hull, including the chine, and is developed a suitable tug. Currently, the Navy has 24 of mounted on the push knees that extend below the water- these tugs, designated Work Boat Medium, on order from line. The wheelhouse has overhead windows for working

Modutech Marine of Tacoma, Washington. The ? rst was alongside ships.

LOA: 30’ Engines: (2) Cummins QSL 9 diesels HP: each engine 285 HP

Beam: 15’ Total Bollard Pull: 17,500 pounds Gears: ZF W325

Draft 5’ – 5” Davit: 400-pound Capacity Maximum speed: 9 KT

Armstrong Marine Catamaran Completes Inaugural Hawaii Tour

Port Angeles, Washington based boat builder Armstrong

Marine’s most recent launch, the 40’ catamaran Mirai, ran its ? rst passenger tour in Oahu in January. Four Evinrude outboards totaling 1,000 horsepower give the vessel a run- ning speed of 47 mph. The 49-passenger USCG Subchap- ter T tour boat features two heads, a sun canopy, and aft raised wheelhouse providing the captain with clear visibili- ty. Armstrong Marine’s design paired with the unique vinyl wrap make for an eye-catching vessel.

Crowley to Build 100mb Alaska Class ATB the fourth quarter of 2019. The contract with Bollinger includes an option to build a second ATB. Crowley’s ma- rine solutions group has been contracted to provide vessel construction management services in the shipyard from ? nal design phase through to delivery. Jensen Maritime designed the 483-foot ATB to meet Ice Class and Polar

Code requirements. The tug’s main GE engines, as well as the barge engines, meet U.S. EPA Tier IV standards.

The barge features a ballast water treatment system. The

Crowley Fuels LLC has signed a construction contract ATB tug is ? tted with a patent-pending closed-loop ballast with Bollinger Shipyards to build a new Alaska Class system, whereby the tug’s freshwater ballast is transferred 100,000-barrel-capacity articulated tug-barge (ATB) to to a retention tank on the barge. There is no ballast water transport multiple clean petroleum products in the Alaska treatment system on the tug, eliminating any overboard market. The Alaska-class vessel has an expected delivery in discharge of ballast from the tug.

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