Marine Log - April 2008 - (Page 32)

TUGS&BARGES and propulsion system. Its existing engine was replaced with two 228 General Electric eight-cylinder engines, coupled to Reintjes 4 to 1 reduction gears, driving the 85-inch Bollinger stainless steel propellers in 86-in. type 37 kort nozzles with stainless steel inner rings. The rudders are 45° angle for better maneuverability and its new power pack- ICE CLASS TANKERS age is designed to generate over 100,000 lbs of bollard pull. Like its sisters, the Admiral Jackson will provide ship assist/docking services on the lower Mississippi. Bollinger reconstructed the Admiral Jackson’s wheelhouse with improved window placement and low profile stacks for maximum visibility and installed new Tug and towboat construction reached a 25-year high in the U.S., and shipyards are on pace this year to surpass 2007 levels electronics package which included radars, GPS, depth sounders, hailers, VHF radios, fax machines, sound powered telephones, as well as fuel emergency shut off systems, and remote control start and stops for the main engines. With the installation of the new propulsion system, the Admiral Jackson received new channel coolers, Coast Guard approved oily-water separators, new sanitary systems and all regulatory documents were renewed. ICE-STRENGTHENED TUG Crowley Maritime Corporation recently took delivery of the 6,770-hp, 100 ft Vigilant, a new Z-Drive tugboat that is being chartered from BayDelta Maritime, Inc., for use in Crowley’s ship assist and escort business in Cook Inlet, Alaska. The nimble, powerful, ice-strengthened tug will be stationed at the Tesoro Alaska Company’s Nikiski refinery in Cook Inlet on a year-round basis to provide enhanced safety and environmental protection for tankers docking there. It is the second tug acquired by Crowley in the last year for use in its Pacific Northwest and Alaska operations. The Vigilant’s hull has been strengthened for use in ice, boasting a 3/8-inch belt of steel along the hull. The vessel’s decks are also heated, along with some of the tanks, for added protection and improved operation. The Vigilant also has a bollard pull in excess of 90 tons. ARTICULATED TUG BARGES In his Tug Boat Market Report, Beegle points out that orders for Articulated Tug Barge (ATB) units “continue to grow especially in the U.S. where about 38% of the current order book are articulated tugs. Demand is expected to continue as new and larger barges are constructed. I do not expect all articulated tugs on today’s order book will be built. Some 32 MARINE LOG APRIL 2008 www.marinelog.com http://www.thordonbearings.com http://www.marinelog.com

Table of Contents Feed for the Digital Edition of Marine Log - April 2008

Marine Log - April 2008 Contents Editorial Second Thoughts Update Inside Washington Offshore Vessels Evolve to Meet Subsea Demands Picking the Right Floaters for Deepwater Tugs: The Good Times Roll, But for How Long? Interactive TV at Sea Jo-Kell's Suzan Kelly Tugs & Barges Exhibitors Preview Beyond Imagination Tech News Newsmakers Contracts Events Website Directory Infodirect ML Marketplace Last Page

Marine Log - April 2008

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