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Bow Thruster

Underwater Bow Thruster Reinstallation In Tacoma

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Three months after Hydrex diver/technicians removed the bow thruster of a 294-meter container vessel in Tacoma, a Hydrex team once again mobilized to this location to reinstall the overhauled unit underwater with the use of the Hydrex flexible mobdock. The superintendent of the ship was very satisfied with the first part of the operation. The job was completed well within the available time frame thanks to good team work of the Hydrex divers, the ship staff and the floating crane operator.   For this reason the customer asked Hydrex to take care of the reinstallation as well, which was carried out last month. Together with all the necessary equipment, the team mobilized from the Hydrex office in Clearwater, Florida to the vessel’s location. After they set up a monitoring station on a workboat, the team positioned the bow thruster onto a cradle.   This cradle was designed especially for thruster operations. It can be adjusted to the size of the unit. In this manner the thruster is prevented from tipping over, making it much easier to handle. The Hydrex divers could lower the unit into the water and maneuver it inside the thruster tunnel in one take. The team positioned the bow thruster and secured the unit. The team then used the lightweight flexible mobdocks developed by Hydrex to close off the thruster tunnel on both sides


St. Lawrence Seaway Releases 2004 Draft Details

The Great Lakes-St. Lawrence Seaway System issued a Notice establishing allowable drafts for the 2004 navigation season. In the Welland Canal, a maximum draft of 80.8 dm (26’6”) will be in effect for inland vessels and for ocean vessels equipped with bow thrusters. For ocean vessels not equipped with bow thrusters, the maximum draft will be 80.0 dm (26’3”). In the Montreal/Lake Ontario section, the maximum draft will be 79


Detyens Completes First Drydocking For Celebrity

Celebrity Cruise Lines has completed its first ever drydocking with Detyens Shipyards, Inc (DSI). ZENITH docked at the Charleston, South Carolina facility from October 24, 2005 thru November 3, 2005. The scope of work included: regular drydocking maintenance along with sea valve renewals, blade seals and polishing, anchor chains, bow and stern thruster seals, overhauling of the bow thruster, the dismantling and overhauling of the stabilizers, the application of the silicon base AF coatings


Harvey Gulf International Delivers M/V Harvey Thunder

Harvey Gulf International Marine, Inc., announces the delivery of their second new 13,500 hp class offshore tug, the M/V “Harvey Thunder.” This state-of-the-art-towing vessel is equipped with a 500 hp bow thruster for improved station keeping capabilities while working with semi-submersible drilling rigs. Harvey Gulf presently has the M/V “Harvey War Horse” under construction, which is a 16,000 hp class anchor handling/towing vessel slated for delivery by March 15, 2002.


WESMAR Appoints New Dealer in Central America

Wesmar has appointed Ocean Works of Quepos, Costa Rica, as its authorized dealer covering Central America from Belize to Panama. Ocean Works will be a stocking dealer with complete parts and systems for Wesmar’s line of bow thrusters, roll fin stabilizers, and sport fishing sonars. The owner of Ocean Works is Fred Hogan, formerly a WESMAR Sales Manager for the U.S. Gulf, Mid Atlantic, and Great Lakes regions.


WESMAR Thrusters Important Equipment For Alaska Ferry

For years the citizens of Prince of Wales Island in southeast Alaska were only able to commute to the Island of Ketchikan on a weekly basis, leaving them frustrated and isolated. In January of 2002 the 150 passenger car/ferry Prince of Wales entered service providing a much awaited daily transportation link between the two islands, and providing the 5,000 residents of the remote southeast Alaska region with a critical link and regular, reliable service—something they had long been without.


Island Boats Building Crewboats

Island Boats is located on a 6.5-acre site with 30,000 square feet of covered and enclosed shops as well as a 10,000 square foot paint shop along Bayou Teche in New Iberia, La.. With a strong reputation for catamarans and a wide variety of unique aluminum boats delivered from their yard, Island Boats is now building four crewboats. “These are our fist crewboats,” said company president Miles Thomas, “But we have built many different types of vessels from which we can draw design ideas


Tidewater Continues to Build Diesel-Electric

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After building five diesel-electric platform supply vessels (PSVs) at Singapore’s Yantai Raffles Shipyard, Tidewater is having additional vessels built in China. Currently the firm has 12 Cummins-powered diesel-electric vessels on order at the Fujian Mawei Shipbuilding yard. An additional four-boat order is being completed at the Shejiang Shipbuilding Company yard near Ningbo China. The first of the vessels, the Desoto Tide, was delivered in January ‘09 with the second


DP Gezina Named and Christened

DP Gezina

The naming of Service Support Vessel DP Gezina in Hardinxveld – Giessendam was performed by Mrs. Gezina Roelofs, and witnessed by the 200 guests attending the event. Mrs. Gezina Roelofs is the mother of the owner of Chevalier Floatels, Marcel Roelofs. With Chevalier Floatels new flagship, DP Gezina completed, both Chevalier Floatels and Holland Shipyards companies have added another vessel to their track record.


Seacor Continues to Build Monohulls

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In spite of the success of their catamaran crewboats, Seacor continues to build their conventional crewboats. 464, to be named Alice G. McCall, is currently building at Gulf Craft in Patterson . The Alice G. McCall is due for delivery in August of this year. The 190 x 34-ft. boat will be followed by two more conventional vessels in 2009 and 2010. The DP2 classed Alice G. McCall will be powered by five 1800 hp Cummins KTA50-M2 main engines for a total of 9000 hp


CMM Takes Delivery of Damen PSV for Brazil

Photo courtesy of Damen

New supplier CMM Gravity to start on long-term contract with Petrobras. CMM has taken delivery of a Damen Platform Supply Vessel 3300. The 80-meter, 3,300t deadweight vessel CMM Gravity will be deployed in the Brazilian waters from June 2014 on a 4+4 year contract with Petrobras.


Time Charter of DP-1 Research Vessel Fixed

Photo courtesy Marcon

Marcon International, Inc. of Coupeville, Washington reported that Stabbert Maritime of Seattle has time chartered the U.S. flag, DP-1, research vessel Ocean Pioneer (ex: Seabulk Montana, Montana, Seabulk Montana, Indian Seal) to FMC Technology of Davis, California.


Offshore: Seacor Raises the Bar Again

(Courtesy SEACOR Marine)

Long acknowledged as a firm to watch in U.S. crewboat and fast supply boat innovation, Seacor Marine will be attracting industry attention once again when its latest set of new boats begin delivery in 2014. While this new class of mono-hull boats have some big dimensions


Total Lubmarine Celebrates Naming of Trafuco 7

Photo: Total Lubmarine

New barge operated with company’s biolubricants outlines commitment to environment and ship operators in Belgium Marine lubricant provider Total Lubmarine has welcomed the naming of the newest addition to its fleet, Trafuco 7. The naming ceremony for the newly-built vessel took place at


New CTruk Design Targets Work Farther Offshore

Photo: CTruk

22m multi-role composite cat will have 24,000-liter fuel capacity While debate continues about the most efficient way to serve offshore wind installations farther out to sea, CTruk has been quietly forging ahead with a new OWSV designed to safely deal with rougher seas


ABB PLC-Drives Propel Specialized PSVs

PLC-Drive-Motor package from ABB used in PSVs

Modular liquid-cooled drives and PLCs from ABB have been included in VARD ELECTRO’s innovative, application-specific propulsion and thruster power solutions for offshore supply vessels. The electric motor propulsion technology designed by VARD ELECTRO is used on a series of six


DNV Introduce Vessel General Permit Enviro-Oil Advisory Service

Photo courtesy of USCG

Classification society and consultancy DNV GL inform it has introduced the "Environmentally Acceptable Lubricants" (EAL) Report Service to help ship operators to comply with the new rules set out for the US Vessel General Permit (VGP) without the need for extensive outlays


Eastern Delivers PSV to Bravante

Photo courtesy Eastern Shipbuilding

Eastern Shipbuilding Group, Inc. announced the delivery of the M/V BRAVANTE VI (Hull 156) on Friday February 28, 2014 to Boldini S.A., BRAVANTE GROUP of Brazil. The BRAVANTE V (Hull 155), the first in the series, was delivered three months earlier and is currently on charter in Brazil.


Second Modular Capture Vessel for US Operation

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Drydocks World announced the completion and delivery of Eagle Louisiana, the second of two Modular Capture Vessels (MCV) for the U.S. The first MCV, Eagle Texas, sailed away from Drydocks World’s yard in August last year. The vessels are the world’s first MCVs.


BOURBON Makes Several Fleet Additions

Photo: BOURBON

With the AHTS Bourbon Liberty 320, BOURBON is now running a fleet of 100 Bourbon Liberty series-built, diesel-electric propelled and DP 2 vessels, a first in the oil services industry. This milestone coincides with the delivery of the first two of 20 deep offshore PSVs of the new BOURBON


LUKOIL Marine Debuts EAL Generation

Due to new U.S. regulations, almost all ships exceeding 24 meters in length which are operating in U.S. coastal waters are confronted with much stricter environmental protection requirements. The Vessel General Permit (VGP), in effect since December 19, 2013


New Generation Shipbuilding OSV Delivered

OSV Mr Ernie: Photo courtesy of Cummins Hotips

The latest Cummins-powered Offshore Service Vessel (OSV) delivery from Houma, Louisiana-based New Generation Shipbuilding is representative of the 'New Generation' in supply vessel design. According to Cummins Hotips, the distinctive bow and fo'csle profile on the 171 by 36-foot Mr


Jaya Delivers Vessel to Atlantic Towing

Offshore energy services provider, Jaya Holdings Limited, has delivered its second newbuild ice class anchor handling tug supply vessel to Canadian buyers, Atlantic Towing Limited. The 16,000-BHP vessel was delivered on February 7, 2014 in Singapore and was christened the Atlantic Merlin at a


SSA Selects Elliot Bay Ferry Design

255 pax vehicle ferry Island Home, previously designed by EBDG for SSA

Elliott Bay Design Group (EBDG), a naval architecture and marine engineering firm with offices in Seattle, New Orleans and Ketchikan, has been awarded a multiple-phase project to design a new freight and passenger ferry for the Massachusetts-based Woods Hole


Drillship Profile: Tungsten Explorer

Ultra Deepwater Drillship designed for drilling operation down to 40,000 ft. (12,120 m) & in water depths to 10,000 ft. (3,048 m)

The Tungsten Explorer is an ultra deepwater, dynamically positioned mobile offshore drilling unit (Drillship). The primary areas of activities of the Drillship shall be in the Gulf of Mexico, West Africa and Brazil. The drillship has drilling equipment on the topside with a continuous main deck


 
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