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Maritrans Secures Patent for Converting Single-Hull Tank Ships

Maritrans Inc. has obtained a patent on its proprietary process for rebuilding single-hull tank ships and converting them into double-hull vessels. With the most recent patent, Maritrans has now patented the double-hull conversion process for both barges and tank ships. The U.S. Oil Pollution Act of 1990, as well as the International Convention for the Prevention of Pollution from Ships (MARPOL), each require the retirement of single-hull tank vessels. In January of 2001, Maritrans announced that it had received the first of three patents for internal double-hull conversions of single-hull barges. These Maritrans patents involved pre-fabrication of large tank structures that are inserted into the existing hull, with a trunk deck extending above the pre-existing deck. The design allows double-hull conversion while preserving virtually all of the previous cargo capacity. Maritrans is currently completing its fifth barge rebuilding project using this patented process. This latest patent, for single-hull tank ships, addresses the unique design of these vessels. Maritrans utilized its computer-assisted modular design process, pioneered in the previous double-hull patents, to formulate an appropriate double-hull structure for tank ships. The patent differs from the previous barge patents in that it combines the addition of an inner bottom with external side modules. Maritrans also has other U.S


USCG Codifies Single Hull Phase-out Requirements

In a notice of proposed rulemaking (NPRM), the USCG proposes to clarify and codify a policy it issued in April 1999 regarding phase-out dates for single hull tank vessels. OPA 90 includes requirements for double hull tank vessels and phase-out schedules for all single hull tank vessels operating in U.S. waters. Tank vessel owners are required to remove single hull tank vessels from service on a specific date, depending on such factors as the vessel's gross tonnage, age and hull configuration


ExxonMobil Still Chartering Single Hulled Tankers

U.S. oil giant ExxonMobil continues to charter single-hull tankers for its oil, tanker brokers said on Thursday. ExxonMobil has been in the market for a five-year time-charter since late August, brokers said, and has recently been giving serious consideration to a single-hulled very large crude carrier (VLCC) that will be nearly 20 years old by the end of the charter in 2005. Negotiations, however, have recently reached a stalemate, brokers said.


Simon Beale Elected Chairman of Joint Hull Committee

Simon Beale, underwriter of the KJ Coles syndicate at Lloyd's, has been elected chairman of the Joint Hull Committee (JHC). The JHC is a joint initiative by the International Underwriting Association of London and Lloyd's Underwriters' Association. Its role is to support and develop the role of the London hull insurance market. The JHC acts as a focal point for hull insurance issues while providing advice and representation to members on technical, legal, promotional and educational issues


Strategic Marine Launches Caballo Maya

Photo courtesy Strategic Marine

Strategic Marine has successfully launched the first of two 496 ft Dive Supports Vessels, Caballo Maya (Hull 156) in Vietnam. The vessel was launched on the 5th of April, 2010, with the second vessel (Hull 157) approximately 90% complete and eight weeks from completion. “We were originally awarded the contract for Hull 156 in late 2006, and were engaged to exclusively carry out the steel fabrication works on the vessel,” explained Managing Director Mark Schiller


Jotun to Offer Antifouling Coatings Guarantee

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2011-05-02 – PRESS RELEASE: Jotun’s Hull Performance Solutions offers shipowners and managers who purchase Jotun’s silyl methacrylate SeaQuantum X200 a money back guarantee if the antifouling coating fails to deliver less than 1.5 per cent speed loss or a maximum 4.5 per cent increase in fuel consumption over a 60 months dry-docking interval. The Jotun Hull Performance Solutions guarantee is calculated on a transparent measurement and analysis tool


Flexible Membrane Covers and Seals Damages

The Gulf Responder is a 45-ft. aluminum catamaran designed to operate in oil and hazardous chemical spills. Currently under construction at Scully's Fabricating in Louisiana, the vessel's expected delivery date will be either late January or early February. The 15-ton vessel is powered by twin turbo diesel engines with water jet propulsion and equipped with two 1,000 lb. MagnaPatch devices. The MagnaPatch is a patented pollution abatement device


Jurong Shipyard Skids Hull in Rig Construction

Jurong Shipyard Pte Ltd (JSPL), a subsidiary of SembCorp Marine Ltd has skidded the massive 14,000 ton upper hull of a $285 million semi-submersible rig over the lower hull. It is reportedly the first of its kind involving the skidding of such a heavy structure. It was conceived, designed and constructed over a two-year period. On April 11, 2001, JSPL in collaboration with associated company PPL Shipyard Pte Ltd (PPL) entered into a fixed price agreement with GlobalSanteFe Corporation


South Korea to Ban Single-Hulled Tankers after Spill

Reuters reported that South Korea will ban single-hulled tankers from traveling in its waters by 2011, earlier than the international regulation that calls for a ban from 2015, Seoul's maritime ministry said. A single-hulled tanker was involved in South Korea's worst oil spill last month, leaking around 10,500 tons of crude oil after a sea-bound crane mounted on a barge punched holes in the tanker's hull. As of January


Cathelco ICCP for Concept Jack-Up

Photo courtesy Cathelco Ltd.

Cathelco is supplying an ICCP hull corrosion protection system for a new type of jack-up vessel which is being constructed for Master Marine of Norway who specialize in the transport and installation of heavy structures for the offshore energy industry. The vessel, known as Service Jack 2, will initially be used to install wind turbines in the Sheringham Shoal Offshore Wind Farm which is located in the Greater Wash approximately 9 miles north of the town of Sheringham in Norfolk


Davie Building LNG-powered Ferries

Photo courtesy of Davie

Canadian shipbuilder Davie held a keel laying ceremony for MV Armand-Imbeau II, marking the beginning of the hull assembly for this first of two sisterships under construction at Davie for the Société des traversiers du Québec (STQ).


MES Delivers FPSO Hull to MODEC

Photo: MES

Mitsui Engineering & Shipbuilding Co., Ltd. (MES) delivered the hull of a floating production, storage and offloading unit (FPSO) for MODEC, Inc.   The FPSO hull sailed out from MES’ Chiba Shipyard on February 27, 2015.  


Ferus Smit to Launch Newbuild Bulker

Arklow Breeze (Photo: Ferus Smit)

Ferus Smit will launch newbuild bulk carrier Arklow Breeze on Friday, March 20 at Westerbroek.   Arklow Breeze is the sixth and last vessel of a series to be delivered to a client from the city of Arklow, Ireland. The design is a bulk oriented general cargo ship that will be mainly employed


COMPIT to Showcase Smarter Ships, Systems & Solutions

DNV GL COMPIT. Preview

  The 14th International Conference on Computer and IT Applications in the Maritime Industries (COMPIT) will take place from 11th to 13th May 2015 in Ulrichshusen, Germany. First held in the year 2000, COMPIT has established itself as a key conference in information technology (IT) for the


No Let Up in Navigational Claims Reports

Lars Malm (Photo courtesy: The Swedish Club)

According to The Swedish Club, half of the costs of hull and machinery claims handled by the Club have arisen due to navigational claims such as collisions, contacts or groundings - a figure that has remained steady over recent years despite improved technology and the widespread implementation of


Eastern Debuts ‘Thunderbolt’ Towboat

THUNDERBOLT combines Twin Electric V-Pod Propulsion and Diesel-Electric Technology offering it to the US Inland Waterway’s Market

Eastern Shipbuilding Group, Inc. introduced its new 120-foot, 4,200-horsepower Inland Towboat design, THUNDERBOLT, combining twin electric V-Pod propulsion and diesel-electric technology for what the builder calls its “vision of the future for the U.S. inland waterways.”  


ClassNK Streamlines Classification Process

Image: ClassNK

ClassNK informed it has revamped its registration system, halving the time it takes to deliver its classification certificates.   According to ClassNK, the registrations for the classification of ships are carried out through a rigorous process to confirm complete compliance with rules at


Taiwan Navy to Commission Locally Made Corvette

Image: Ministry of National Defense, Taiwan

 The Taiwan Navy plans to put its first locally designed stealth missile corvette and a new locally manufactured supply vessel into service late next month, says a press statement.  There will be a ceremony to formally put the corvette Tuo Jiang and supply vessel Panshih into service is


COTP Delaware Bay Modifies Ice Condition II

Photo courtesy USCG

  The Captain of the Port (COTP) Delaware Bay is notifying mariners that Ice Condition II has been modified to expand STEEL HULL RESTRICTIONS in the Delaware River. There have been reports of ice formation that may impact navigation throughout the COTP zone


MSC Reports Better Fuel Efficiency with Jotun's HPS

MSC Oscar (Photo courtesy of MSC)

Jotun Marine Coatings said Mediterranean Shipping Company (MSC) will apply Jotun’s Hull Performance Solutions (HPS) on a number of new and existing vessels.   With almost 500 vessels, MSC has one of the world’s largest containership fleets


Catamaran Tour Vessel Under Construction

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Construction of a 19m Catamaran Tour Vessel has commenced at Aluminium Marine. Offering Incat Crowther’s hull form and design, the vessel offers operators a competitive edge in tour operations.   According to the designer, the vessel’s platform can be customized to the


Vessel Aground in Badcall Bay

A Norwegian-flagged fish carrier vessel, Viktoria Lady, ran aground on a rock in Badcall Bay about 20 miles northwest from Ullapool this morning, the U.K Maritime and Coastguard Agency (MCA) reported.   The 1,186-gross-tonnage, 53m-long vessel, which has seven people aboard


MSHIPCO Exploring Strategic Options

MSHIPCOs M80 Stiletto

MSHIPCO has engaged Global Capital Markets Inc. (GCMI), a middle market M&A investment bank with global reach to advise on corporate strategic options including sale, licensing or other transactions.   As creator of the M80 Stiletto


Incat Crowther Delivers Ferries to Angola

Courtesy Incat Crowther

  Incat Crowther has delivered Luanda and Cacuaco to Instituto Marítimo e Portuário de Angola. This pair of 36m catamaran passenger ferries, built by Astilleros Armon in Spain, will be operated by subsidiary TMA Express.


Unidelta: Twin ASD Tugs From Argentina

Brutus - DT Amura estribor

Best known for modern, innovative passenger catamarans, Astilleros Unidelta SA of Buenos Aires is currently building an innovative tug. The aziumthing stern-drive (ASD) ship-handling tug is now being built at the Argentinian yard. The first, in an anticipated series






 
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