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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

Flexibility Key to MES’ New FPSO Hull Platform

Japanese shipbuilder Mitsui Engineering & Shipbuilding Co., Ltd. (MES) announced it has developed a next generation hull platform for floating production, storage and offloading system (FPSO) that aims to offer improved flexibility between projects.   Offshore oilfields vary in environmental conditions and oil properties relative to geographical location, requiring shipyards to frequently change hull design and construction scheme to satisfy varying requirements for each project

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


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

USS Fort Worth Completes CARAT Exercise with Bangladesh Navy

Ships from the Bangladesh and U.S. navies gather in formation during Cooperation Afloat Readiness and Training (CARAT) Bangladesh 2015.

  The littoral combat ship USS Fort Worth (LCS 3) completed its first Cooperation Afloat Readiness And Training (CARAT) exercise with Bangladesh in the Bay of Bengal, Oct. 3. CARAT Bangladesh 2015 is a tangible representation of the continued U.S

Willard Unveils New RHIB in Australia

Photo: Willard Marine

Willard Marine, Inc. unveiled its new SEA FORCE 777 this week at the Pacific International Maritime Exposition in Sydney, Australia.   The military-grade, fiberglass, rigid hull inflatable boat (RHIB) is 7.77-meters long, 2.74-meters wide and designed with a deep-V hull

Swiss Re Establishes North America Marine Team

Swiss Re Corporate Solutions has expanded its marine business by opening a North America marine office. Beginning October 1, 2015, the New York-based team will provide ocean cargo insurance, with additional products to follow, the company said.  

Two RAscal 1500 Tugs Delivered

RAscal 1500 tugs for Jordanian owners

  Sanmar Shipyard of Turkey has recently completed two RAscal 1500 tugs for Jordanian owners. The tugs are now delivering marine services to the FSRU berthing facility at the Sheikh Subah Al Ahmad Al Subah LNG terminal in Aqaba, Jordan

Incat Ferry Order from Denmark

KatExpress 2

  Incat Tasmania Pty Ltd, Australian shipbuilder, has secured a contract for the construction, delivery and long term charter of a large fast vehicle ferry for Danish company Mols-Linien A/S. The Ferry will be the fourth Incat vessel in the Mols Linien fleet.

Construction Begins on Matson’s Aloha Class

Image: Matson

Matson, Inc., a U.S. carrier in the Pacific, announced that production has begun on its two new Aloha Class containerships following a steel cutting ceremony at Aker Philadelphia Shipyard Inc. (APSI) in Pennsylvania.   Matson subsidiary Matson Navigation Company, Inc

ABS Grants AIP for MES FPSO Design

New design and construction method aim to accelerate time to production   ABS, a provider of classification services to the global offshore industry, has granted Mitsui Engineering & Shipbuilding Co. Ltd. (MES) approval in principle (AIP) for a floating production

USS Cowpens Holds Cruiser Modernization Induction

USS Cowpens

  The guided-missile cruiser USS Cowpens (CG 63) was inducted as the first ship to undergo a modernization effort that will significantly upgrade its capabilities in multiple mission areas, Sept. 25, at Naval Base San Diego. The CG Phased Modernization Program is designed to balance the

Boatbuilding Gone Bad

Joe Hudspeth

Owners, designers, builders and the crew can collaborate in a meaningful way to ensure that the delivered product meets everyone’s expectations. You can get there from here. We have all gone aboard or below decks on vessels and looked around with a myriad of instantaneous questions forming

MHI's Two New Firms Commence Operations

MHI Shipyard, Nagasaki Credit Wiklpedia CCL

  On October 1 two new wholly owned group companies of Mitsubishi Heavy Industries, Ltd. (MHI) succeeding to MHI's ship construction operations in the Nagasaki district will commence business operations. Mitsubishi Heavy Industries Shipbuilding Co., Ltd

Two Topaz OSCV Order for Vard

VARD 3 for Topaz Energy and Marine

  Vard Holdings Limited (“VARD”), one of the major global designers and shipbuilders of offshore and specialized vessels, has secured new contracts for the design and construction of two Offshore Subsea Construction Vessels (“OSCV”) for a new customer

Damen’s New Yacht Range Sails to the Extremes

Image: Damen

Damen’s new SeaXplorer yacht range brings true capability to expedition yachting, from extreme polar to remote tropical areas.   The world’s first purpose-built, Polar Code compliant range of expedition yachts has been launched by Dutch shipbuilder Damen and its luxury

Bulker Runs Aground in Sweden

Photo courtesy Swedish Coast Guard

Liberian-flagged bulk carrier MV Victoria is reportedly stuck on a shoal off the west coast of Sweden with a 3-meter gash in its hull after running hard aground Saturday night.   According to local reports, the 190-meter ship was en route from Rostock

New FORAN Update from SENER

SENER Ingeniería y Sistemas SA launched a new version of its marine CAD/CAM system, the FORAN V80.   The new version is fully compatible with the previous ones and includes improvements in all of its modules. The main upgrades come from the initial and basic project stages

Cadmatic, NCG Combine Business Operations


Press release - Cadmatic and Numeriek Centrum Groningen BV (NCG) have combined their business operations and continue as one company.   Cadmatic Oy has acquired all the shares and business operations of Numeriek Centrum Groningen BV (NCG). This is valid from the 16th of September 2015.

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