Page 51: of Marine News Magazine (July 2016)

Propulsion Technology

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Marquette Z-drive Towboat from Master Marine by a pair of Thompson Power Systems Caterpillar C32 Tier 3 1,000-hp engines at 1,800 rpm connected to ZF Ma- rine ZF AT 5111WM-FP Z-drives with 1,650 mm (65”) 4-bladed propellers in nozzles. The package gives the boat a running speed of 10 knots with a loaded draft of 8’. For ship’s service power the towboat is out? tted with a pair of

Kennedy Engine John Deere 4045AFM85 Tier 3 generator drive engines each driving an 80-kW Marathon Mariner

In May, Marquette Transportation Co. took delivery generators. Cooling for all engines and z drives was pro- of a new 2,000-hp Z-drive towboat from Master Marine vided by Eastpark Radiator Duraweld coolers. Doors and of Bayou La Batre, Alabama. The 78’x 34’x11’ St. Bar- windows were provided by Dales Welding & Fabrication, tholomew was designed by Entech Designs, La. for Mar- LLC. Rubber bumper systems were provided by Schuyler quette’s river division. Master Marine is continuing to build Companies. The electronics was supplied by New World “Z-DRIVE” towboats, with more underway for Marquette Electronics and Rio Marine supplied the alarms and moni- with an increased crew capacity of 8 in 5 staterooms with 3 toring systems. To secure barge tows, there’s a pair of Pat- ½ bathrooms. The steel-hulled St. Bartholomew is powered terson 40-ton deck winches supplied by Donavan Marine.

ESG delivers ZYANA K to Bay-Houston Towing

Eastern Shipbuilding Group has delivered the Escort Tug

ZYANA K for Bay-Houston Towing on May 5th, 2016.

This series of Robert Allan, LTD. (RAL) designed Z-Tech 2400 Class Terminal & Escort Tugs is currently under con- struction at Eastern’s Nelson Street facility. The ZYANA K is the second in a series of four (4) Z-Tech Class Terminal & Escort Tugs being constructed for Bay-Houston Towing

Co. Robert Allan, LTD (RAL) of Vancouver, B.C. provided the Z-Tech 2400 Class Terminal & Escort Tugs design and engineering. G&H Towing’s ? eet currently consists of eight “Z-Tech” tugs in operation. This “Z-Tech” incorporates the latest technology for escort service and ship assist.

The ZYANA K Z-Tech 2400 at a glance …

LOA: 80’Main Propulsion: (2) Schottel SRP 1215FP Z-Drives Total HP: 5,150 HP @ 1,600 RPM

Beam: 38’Generators: (2) John Deere 4045AFM85 Tier 3, 99kW Main Engines: (2) Caterpillar 3516C Tier 3

Depth: 15’Hawser Winch: Markey Fairleader 50HP Electric Flag: USA

Vane Bros. Continues Fleet Expansion

Vane Brothers has added two are products of the Conrad Deepwater South Shipyard in vessels to its ? eet: the 4,200-horse- Amelia, La. Designed by Frank Basile, P.E., of Entech De- power tugboat Hudson and signs, LLC, Vane Brothers’ Elizabeth Anne Class tugboats 55,000-barrel barge Double Skin are a close cousin of the company’s Basile-designed Pata- 601. The Hudson is the second psco Class tugboats, 15 of which were produced between of eight vessels in Vane’s Elizabeth 2004 and 2009. The Double Skin 601 is con? gured and

Anne Class of 4,200-horsepower out? tted in a nearly identical fashion to the most recent tugboats contracted through St. 55,000-barrel Vane Brothers barges that were delivered in

Johns Ship Building in Palatka, 2015 by the Indiana-based Jeffboat Shipyard. The Double

Fla. The Double Skin 601 is the Skin 601 is equipped with an 8.6MM BTU thermal ? uid ? rst in a new series of 55,000-barrel barges and will be fol- heating system, vapor control system and cargo tanks coat- lowed later this year by the Double Skin 602. Both barges ed with International Interline 994 Epoxy Novolac.

51 MN

MN July16 Layout 50-59.indd 51 6/17/2016 4:35:15 PM

Marine News

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