Page 46: of Marine News Magazine (September 2015)

45 47

VESSELS

Jensen-Designed LNG ATB Receives ABS AIP

The ATB Barge at a glance …

LOA: ...................................................................360 feet

Beam: ..................................................................60 feet

Combined tug-and-barge LOA ...............................452 feet

Speed: ................................................................12 knots

Crew: ..........................................................................12

Engines: ...................................GE 6L250 engines (Tier 3)

Ballast: .....................................................90,100 gallons

Fresh Water: .............................................30,800 gallons

A Jensen Maritime-designed, lique? ed natural gas (LNG)-

Fuel: ...........................................................4,000 gallons bunkering articulated tug-barge (ATB) has been granted “ap-

Designer: .................................................Jensen Maritime

HP: ....................................................2,035 (each engine) proval in principle” by classi? cation society American Bureau

Z-Drives: ..................................................Rolls Royce 205 of Shipping (ABS). The designation establishes that Jensen’s vessel concept, which is classed as an A1 Lique? ed Gas Tank

Barge, is compliant in principle with ABS rules and guides. a customer who has signi? cant LNG needs at one or more

Ideal for mobile bunkering, Jensen’s ATB is also oceans rated, ports not located near an LNG terminal.

meaning that it is not limited to the intracoastal waterways, Safety features include a double hull, designed to help like many other similar types of LNG ATBs. This ? exible to protect the ATB’s 4,000-gallon fuel tank, and ? re? ght- design feature allows the vessel to facilitate the transfer and ing capabilities. Classed as a ? re? ghting vessel (FFV-1), the use of small-scale LNG in places with limited infrastructure, vessel is well equipped to handle emergencies on board and including offshore locations. The ATB will be built with four can satisfy most requirements to have at least one FFV- 1,000- m3 Type C LNG tanks (seven bar working pressure), classed tug escorting LNG tankers into port. Finally, be- enough LNG to ? ll up a large containership twice before cause there is no linkage between the tug and barge, the having to replenish its own supply. This capacity, combined two can disconnect quickly in the event of emergency. Ex- with ? exible operational areas, makes it an ideal solution for pected time to build the ATB is between 18 to 30 months.

Vigor’s Kvichak Bags Research Cat Design Deal

Kvichak Marine Industries, a Vigor Company, was re- ing to reduced fuel consumption and greater ef? ciency. cently awarded a contract to design and build a 48’ all- Delivery is scheduled for summer of 2016.

aluminum foil assisted research catamaran for the King

County Environmental Laboratory. The vessel will operate in Puget Sound, the Straits of Juan de Fuca and adjoin-

The ATB Barge at a glance … ing inland waterways. The vessel will be conducting wa-

Length, o.a.: .........................................................48 feet ter sampling research along with marine buoy calibration,

Beam (overall w/fender): .....................................18.7 feet maintenance and retrieval, tours and shoreline surveys,

Engines: ...................................................Cummins Tier III dive and ROV operations. This will be the thirteenth foil

Gears: ...............................................................Twin Disc assisted catamaran Kvichak has built since 2000. Kvichak’s

Water Jets: .........................................................Hamilton unique foil design enhances seakeeping at top speeds lead-

September 2015 46

MN