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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.


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


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


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


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


Hands Across the Water

The Metal Shark 165 Defiant, which is an offshore patrol vessel based on Damen’s Stan Patrol 5009. This is one of the Damen designs which will be built at Metal Shark’s Franklin yard.

U.S. firms leverage Netherlands-based Damen Shipyard’s vessel designs and technical support. For nearly 40 years, Damen Shipyards Group in the Netherlands has licensed its vessel designs and technical support to yards owned by other companies


Panic on Migrant Boat Kills Hundreds

Hundreds of people desperate to be rescued from a packed migrant boat in the Mediterranean pushed to one side when they saw a ship approach, capsizing the craft and pitching everyone into the sea where hundreds died, an official said on Wednesday.  


Foss Christens New Arctic Class Ocean Tug

The Michele Foss Arctic Class Tug (Photo: Foss)

The first of three Arctic Class tugs being built at the Foss Rainier, Ore. Shipyard was christened Thursday, April 9, at the Foss Waterway Seaport in Tacoma, Wash. The vessel, the Michele Foss, will see its first assignment on an oil field sealift this summer from South Korea to the Alaskan Arctic


AIDA Cruises’ New Flagship Receives Signature Paint Job

Photo: AIDA Cruises

At the Mitsubishi shipyard in Nagasaki, Japan, the new flagship of AIDA Cruises is now receiving its beaming smile.   At the end of March, preparatory work began on the 300 m long white hull of AIDAprima to apply the painting to the bow that is typical for AIDA: kissing lips, eyes, and waves


Chesapeake Launches Tugboat for Vane Brothers

Photo courtesy of Chesapeake Shipbuilding

Chesapeake Shipbuilding has launched another tugboat for Vane Brothers, the builder announced today.   The tugboat, named Fort Schuyler, represents the 11th tugboat that Chesapeake Shipbuilding has built for Vane Brothers of the 14 contracted.  


ClassNK Releases Steel Ships Rules and Guidance

Classification society ClassNK has released its 2015 Rules and Guidance for the Survey and Construction of Steel Ships.   The 2015 edition’s amendments, made between March 1, 2014 and December 31, 2014, reflect the latest R&D findings, feedback from damage investigations


Marine News: Editor's Note

Our annual shipyard report comes at an appropriate, yet uncertain time for the industry. The future direction of the oil and gas markets will, to a large extent, also determine the course for domestic boat builders. That’s because the sustained rally seen in this sector over the course of


Research Vessel Gets 20-year Life Extension

Photo: Damen

French scientific research vessel to be completely renovated in life extension project   French research vessel, Marion Dufresne II arrived at Damen Shiprepair Dunkerque on March 14 for a project that aims to extend her life by a further 20 years. The work will span a total of four months


Detyens Wins $15.8m Ship Repair Contract

USNS Lewis and Clark (Photo: U.S. Navy Military Sealift Command)

Detyens Shipyards, Inc. has been awarded a $15,812,647 firm-fixed-price contract from the U. S. Navy’s Military Sealift Command for a 75-calendar day shipyard availability for the regular overhaul and drydocking of USNS Lewis and Clark (T-AKE 1).  


Tug Upgrade at Tianjin Port

Photo: Robert Allan Ltd.

As a part of its tug fleet upgrade program, Tianjin Port of China retained Robert Allan Ltd. in early 2012 to develop several new tug designs to suit its operational requirements. The program involved five tugs of three distinct designs. The recent delivery of the RAstar 3500 class tugs Jin Gang


All American Marine Delivers Ferry to Seattle

   The maiden voyage of the MV Sally Fox (photo courtesy of All American Marine)

All American Marine, Inc. (AAM) today announced the delivery of a new passenger ferry that will serve the city of Seattle.    The vessel, MV Sally Fox, was dedicated at a ceremony on Vashon Island on Saturday. The Sally Fox is the first of two new ferries ordered by King County’s


Shipbuilding: Mitsui Delivers Bulk Carrier

Photo courtesy of MES

Mitsui Engineering & Shipbuilding Co., Ltd. (MES) completed and delivered a 56,000 dwt type bulk carrier M.V. Desert Osprey (MES Hull No. 1862) at its Chiba Works on March 31 2015 to Lazio Shipping and Investment Limited, Republic of Marshall Islands.


Boat of the Month: Moore Shallow Shuttle 23

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Moore Boat LLC recently delivered the first of three all new aluminum Moore Shallow Shuttle 23 RIB’s to Seacrets, Jamaica USA after the vessel’s successful completion of various sea trials and the U.S. Coast Guard’s final simplified stability test


The Bigger the Ship, the Riskier

Image: Allianz Global Corporate & Specialty

 Container ship safety is under the spotlight with ever-increasing ship sizes, as evidenced by the January 2015 inauguration of the world’s largest container ship, the MSC Oscar (19,224 teu).    The length of four football pitches, it can carry 19,000 containers


Ferus Smit Launches Newbuild Bulker

Photo: Simon Marrink

Shipbuilder Ferus Smit has launched newbuild bulk carrier vessel Arklow Breeze on Friday, March 20 at Westerbroek.   Arklow Breeze is the sixth and final 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






 
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