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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


WESMAR Delivers Thruster to another Fireboat

The super pumper fireboat is to enhance San Francisco’s marine fire fighting and response capabilities on water including high-volume water pumping, firefighting, rescue, emergency medical service and patrol in the waters of San Francisco and San Pablo Bays and the Pacific Ocean within five miles of shore and the adjoining inland waterways.

WESMAR (Western Marine Electronics) delivered one of its bow thruster systems to another fireboat this month. This systems will be installed on a ‘super pumper’ for the city of San Francisco. The new fireboat is being built by Vigor Fab, Seattle, a subsidiary of Vigor Industrial, and is scheduled for delivery next year.  Per specifications her ability to maneuver and dock in tight situations and to hold steady during fire fighting and rescue operations will be facilitated


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.


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 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.


There’s No Such Thing as a Routine Grounding

In past columns, the focus of our discussions has been primarily on maritime incidents such as collisions, allisions and groundings in which U.S. Coast Guard-licensed deck and engineering officers were subject to marine investigations and negligence changes, potentially leading to the dreaded “letter of complaint” against your U.S. Coast Guard issued credential(s) or endorsement(s). This month, we examine a grounding case in which indeed a 46 CFR 5


'Brodosplit' Delivery for Fincantieri Group

Courtesy Brodosplit  Shipyard

  By loading fitted sections (grand blocks), with more than 1450 tons of steel equipped with piping, ironmongery components and electric routing on a special cargo barge delivery was executed in Shipbuilding Industry Split Inc. on 5 November 2015. This is the most demanding part of ship’s hull that includes bulbous bow, bow structure with three built-in bow-thrusters, few ballast tanks and hull structure consisting of several decks with built-in equipment. 


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


Crewboat Delivered to Caspian Marine

Photo courtesy of Incat Crowther

Built Built by Austal Ships, Rashid Behbudov, sistership to the Muslim Magomeyev and the second Incat Crowther 70m Catamaran Fast Crew Boat, has been delivered for Caspian Marine Services.   Muslim Magomayev, the first of this design developed by Incat Crowther


MN100: ZF Marine Propulsion Systems

Wolfgang Schmid (Photo: ZF)

The Company: ZF Marine supplies propulsion system components for yachts, defense craft, high-speed ferries, workboats and commercial vessels, in a power range from 10 to 14,000 kW. The product portfolio includes a comprehensive range of transmissions (reversing, non-reversing and hybrid)


Underwater Inspections a Boon - Hydrex

Courtesy Hydrex

Building upon conventional technical skills and know-how while also taking advantage of the latest technology, Hydrex offers a unique hull monitoring service to its customers. This gives shipowners total control of their ship's hull condition and consequently its performance


WE's Direct-drive PM Shaft Generator Solutions for New Chemical Tankers

A 17,500 dwt chemical tanker owned by Rederiet Stenersen AS of Bergen, Norway. (Image: Rederiet Stenersen)

Energy efficiency solution provider WE Tech Solutions said it has received an order to deliver its direct-drive permanent magnet (PM) shaft generator solution to a series of two 17,500 DWT IMO class II chemical tankers, with an option for two more.  


MN100: Omnithruster, Inc.

(Photo: Omnithruster)

The Company: Omnithruster’s line of waterjet bow thrusters are optimized for shallow draft operation. The Omnithruster 400HP thruster operates at a draft of less than 2 feet – something no other in-hull thruster can boast. An OmniThruster bow thruster produces thrust continually with


Eastern Delivers MPFSV to Harvey Gulf

Harvey Stone (Photo: Eastern Shipbuilding Group)

Eastern Shipbuilding Group, Inc. has delivered the M/V Harvey Stone on August 29, 2016 for Harvey Gulf International Marine, LLC of New Orleans.   The Harvey Stone, Eastern Hull 234, is a Rampage 6400 Multi-Purpose Field Support Vessel (MPFSV), designed by Robert Allan


Croatia’s Jadrolinija to Buy New Passenger Ship

Photo by Jadrolinija Lines

 Croatia’s  largest national passenger shipping company Jadrolinija plans to expand its fleet with a new passenger ship, with the total cost of about 50 million euros, reports Poslovni.hr    At an international tender


New Diving Training Ship Delivered to Tunisia

Photo: Franco Ortolani

The Tunisian government has taken delivery of a new training ship, Zarzis A710, which will support diving and security works in air and sea areas of the Mediterranean. The vessel was built by Vittoria Shipyard SpA and commissioned by the Tunisian Defense Ministry as part of the Tunisian-Italian


BMT Nigel Gee Secures LNG Ferries Contract

Image: BMT Nigel Gee

Naval architecture and marine engineering design consultancy BMT Nigel Gee said it has secured a project through an international tender process to design two 70-meter aluminum-hull catamaran RoPax ferries for Rederij Doeksen.   BMT will be responsible for concept through to production


New Ferry MV Woods Hole Delivered

M/V Woods Hole during sea trials (Photo: Brian King)

The newly built ferry M/V Woods Hole has been delivered to serve Woods Hole, Martha’s Vineyard and Nantucket.   Built by Conrad Industries of Morgan City, La., the Elliott Bay Design Group (EBDG) designed ferry is the naval architects’ second design for The Steamship Authority


Fratelli Neri S.p.A. Orders Three Damen Vessels

L to R:  Dott. Corrado Neri, Director Fratelli Neri Group and Managing Director Labromare Livorno; Andrea Trevisan, Damen Sales Manager; Dott. Piero Neri, President Fratelli Neri Group; Dott. Corrado Neri, Director Fratelli Neri Group and Mr. Riccardo Sala, Broker Branchero Costa on the occasion of the contract signing for the three vessels. (Photo: Damen Shipyards)

Fratelli Neri S.p.A., the family-owned, Livorno-based harbor towage company, has ordered three new Damen vessels; an ASD Tug 2913, a Stan Tug 1606 and a Stan Launch 1305, the last for its subsidiary company Labromare, which is 50% owned by Tripmare S.p.A.  


Two Patrol Vessels Delivered in Nigeria

MV Hezekiah Photo Incat Crowther

The construction of M/V Hezekiah and M/V Lady Dora, two 35-meter offshore security patrol vessels, has been completed for an undisclosed client in Lagos, Nigeria. The vessels are designed by Incat Crowther, classed by Bureau Veritas (BV) and were constructed by Veecraft Marine in Cape Town


US Flagged Crew Supply Vessel Delivered for BGOS

M/V Glenn Autry (Photo: Incat Crowther)

M/V Glenn Autry, a U.S. flagged 205-foot aluminum monohull crew supply vessel has been delivered for Barry Graham Oil Service (BGOS) of Bayou La Batre, Ala.   Designed by Incat Crowther and built by Halimar Shipyard in Morgan City, La


Greek Ferry Owners Look West to Gibdock

Nissos Chios (Photo: Gibdock)

Greek ferry owners are stressing the importance of high quality, reliable ship repair partners in the Western Med in the first half of 2016, according to ship repair yard Gibdock  who says it has received two first time ship visits emphasizing the Gibraltar yard’s ability to meet


Canadian Con-Ro Pair Drydocked in Gibraltar

Oceanex Sanderling  (Photo: Gibdock)

Gibdock's ro-ro and container ship repair work continues, following the drydocking of two con-ro vessels operated by Canadian shipowner, Oceanex. Oceanex provides intermodal transportation services to the Canadian Atlantic provinces of Labrador and Newfoundland. 






 
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