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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


Ferry Vital Link for Island off Taiwan

Photo courtesy of Cummins Taiwan

Nearly 13,000 people inhabit the four-by-two-kilometer Linqiu Island located about 7.5 nautical miles southwest of the Donggang on the main island of Taiwan. Primarily fishermen, the island’s population is very dependent on the ferry service to get to the larger center on the main island.


KBR, Daewoo win Eni FLNG FEED

KBR-Daewoo-Consortium Wins FLNG FEED Deal

  KBR Inc. announced today that the KD Consortium, consisting of KBR and Daewoo Shipbuilding & Marine Engineering Company, Ltd, has been awarded a front end engineering design (FEED) contract by Eni East Africa SpA for a floating liquefied natural gas (FLNG) facility for the Coral South


Sunken Barge Salvage Stops Traffic on Chicago River

The U.S. Coast Guard said it is restricting vessel traffic on the Chicago River to allow for salvage of a sunken barge. All cargo has been removed from the sunken barge in the Chicago River between the Lake and Randolph Street bridges and divers are currently in the water to conduct a survey of


US Navy Orders Demonstration Craft from Willard Marine

Photo courtesy of Willard Marine, Inc.

Willard Marine, Inc. (WMI) announced it has been selected through a solicitation process to supply a demonstration model of a new, advanced combatant craft for the U.S. Navy under an SBIR contract modification awarded to Structural Composites, Inc.


Moose Boats’ Fire Rescue Catamaran

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Specialty workboats redefined: versatility, value and multi-mission capabilities, all rolled into one affordable hull. In a world where small to medium sized municipalities and port authorities have to make every dollar go a long, long way, any opportunity to leverage just one hull over multiple


World's Largest Fast Crew Boat Powered by HamiltonJets

70m Crewboat with 4 HamiltonJet HT900 waterjets

The world’s largest Fast Crew Boat has recently been launched by Incat Tasmania’s shipyard on the 15th of September 2014.   This DP2 class 70m Fast Crew Boat (FCB) will be operating as a fast crew transfer vessel to various installations in the Caspian Sea and has a semi-SWATH


Signet Transports Second LLOG Rig to GofM

On September 14, five Signet Maritime ASD/Z-Drive tugboats, the SIGNET ENTERPRISE, SIGNET RELIANCE, SIGNET MAGIC, SIGNET WEATHERLY, and SIGNET VOLUNTEER successfully completed the Towout of LLOG’s DELTA HOUSE semisubmersible production facility to the U.S. Gulf of Mexico.  


Power and Endurance Ready for Austrailian Waters

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Wamalhanha is the final newbuild in a series of six tugs of the Robert Allan Design, RAstar 3200 where her main duties will be terminal activities, escort duties, ship assist, towage duties.   She was named on September 24, 2014 at UZMAR Workboat and Tug Factory for delivery


TOTE Finalizes Charter for LNG Containerships

World’s first LNG powered containerships to serve Puerto Rico TOTE, Inc. announced an agreement today between its operating companies TOTE Shipholdings Inc. and Sea Star Line LLC on the charter of the two new Marlin Class vessels being built by TOTE Shipholdings at NASSCO in San Diego


Carnival Plans to Save 1 Billion Gallons of Fuel

Photo: Carnival

Carnival Corporation’s multiyear Fuel Conservation Program expected to save more than one billion gallons of fuel and $2.5 billion in fuel costs, while reducing carbon emissions by 12 billion kilograms by the end of 2014; fleet of over 100 ships will see 24 percent improvement in fuel


Vard to Build OSV for Island Offshore

Global designer and shipbuilder of offshore and specialized vessels, Vard Holdings Limited, announced it has secured a new contract with Island Offshore for the construction of one offshore support vessel (OSV). The deal, valued at nearly NOK 300 million


Seaspan Shipyards Completes Repair Work on Historic Tug

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Seaspan’s Vancouver Shipyards announced today it has completed volunteer repair work on the Steam Tow Boat Master (SS Master) as part of its $50,000 donation to the SS Master Society.                             


Extreme Applications Demand Specialist Small Craft

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In a dangerous world, even the largest ship in the world depends on the smallest maritime security and special mission platform. And when it comes to small boat security operations, innovation is the name of the game. With 90% of world trade transported by sea then passing through ports and


MacGregor Mooring Systems for Tender Rigs

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  MacGregor, part of Cargotec, has won new contracts that will see electrically-driven versions of its mooring systems fitted to two new tender assist drilling rigs for Thailand-based Mermaid Maritime Public Company Limited. The Self-Erected Drilling Tender (Hull No


British Marine Society & Sea Cadets Await New Training Ship

The British Marine Society & Sea Cadets will say farewell to its training vessel, TS Royalist, while a replacement with the same name is already under construction at the Spanish Gondan Shipyard. The new training ship is expected to enter service during summer 2015.






 
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