IIMS News

DNV GL issues technical bulletin following a sharp rise in propeller shaft bearing damage

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A sharp rise in propeller shaft bearing damage has been noted by DNV GL. Photo credit: DNV GL
A sharp rise in propeller shaft bearing damage has been noted by DNV GL. Photo credit: DNV GL

DNV GL has noticed an increase in the number of reported incidents involving aft propeller shaft bearing damage. With this in mind, they have issued technical advice with their opinion on the contributing factors to this damage. Much of the damage in the reported cases has developed within a short period of time, typically a few minutes to an hour.

Typical damages observed and their consequences
The observed trend is not specific to a vessel type – rather, it reflects operation of the affected vessels in areas with limitations on the draft of the vessel or loading conditions, without suitable precautionary measures to limit the RPM/power of the engine.

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Steps to be taken when bringing laid up vessel back into service

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The Shipowners P&I Club has a survey requirement when it comes to laid up vessel, which is deemed to be key, especially if a vessel has been decommissioned for many months.

Of course the extent of re-commissioning work depends on whether the laid up vessel was under hot or cold layup, the length of time the vessel was laid up and the extent of maintenance carried out during the laid up period. So there are many steps to be considered when preparing to re-commission the vessel after a layup. The following is a non-exhaustive guide for layup reactivations.

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AMSA to develop new safety standards for shipping liquid hydrogen

Posted on by News Hound
A Liquified Hydrogen Flammable Gas holding container
Photo credits: NASA/Kim Shiflett

A memorandum of understanding has been signed between Australia and Japan at the headquarters of the Australian Maritime Safety Authority (AMSA) in Canberra which will allow liquid hydrogen to be shipped in bulk for the first time.

Ship containment systems are being developed in Japan that will be capable of safely transporting liquid hydrogen in bulk from Australia to Japan as part of a pilot project scheduled to commence in 2020.

Bulk gas cargoes are carried under the International Code for the Construction and Equipment of Ships Carrying Liquefied Gases in Bulk (IGC Code) which is a mandatory code under the Safety of Life at Sea (SOLAS) convention.

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MAIB releases its report into the loss of life onboard Joanna C during cargo operations

Posted on by News Hound
Photograph of the vessel Johanna C taken by Marc Piché, shipspotting.com
Photograph of the vessel Johanna C taken by Marc Piché, shipspotting.com

On 11 May 2016, the chief officer on board the UK registered general cargo ship Johanna C fell from a large steel cargo unit that was being repositioned in the vessel’s forward hold. The chief officer was moved ashore and taken to a local hospital by ambulance, but he died shortly after arrival.

The investigation identified that:
• It was inherently unsafe and unnecessary for the chief officer to stand on top of the cargo while it was being lifted; the risks of standing on a load under tension were not recognised.
• The chief officer lost his balance and fell onto the deck following the sudden and unexpected movement of the cargo and/or its lifting slings as the cargo was lifted.
Continue reading “MAIB releases its report into the loss of life onboard Joanna C during cargo operations”

DMAIB releases its report into the sinking of the Inuk II highlighting deficiencies

Posted on by News Hound
The factors leading to the sinking of Inuk II in Greenland have been released in a report by the DMAIB
The factors leading to the sinking of Inuk II in Greenland have been released in a report by the DMAIB

On August 14, 2016, the tour boat, Inuk II, sank in the bay of Ilulissat, Greenland. The 23 passengers were safely evacuated, wet and cold, onto another tour boat. However, the accident highlighted issues with the design and emergency procedures of such vessels.

The accident investigation conducted by the Danish Maritime Accident Investigation Board determined that the incident occurred because a hose connecting the aft deck drain to the discharge pipe was removed and then not mounted again. On the day of the accident, Inuk II was transporting the maximum number of passengers which increased the draught to such an extent that the hull discharge pipe was submerged. Inuk II gradually lost all buoyancy as water flowed into the steering gear/storage compartment and subsequently into the engine room.

Continue reading “DMAIB releases its report into the sinking of the Inuk II highlighting deficiencies”

VEKA Group set to build the world’s first hybrid trimaran for transporting personnel offshore

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VEKA Group set to build the world's first hybrid trimaran workboat
VEKA Group set to build the world’s first hybrid trimaran workboat

Workers on drilling rigs and offshore wind farms can hopefully look forward to a more pleasant commute to work with considerably lower risk of seasickness thanks to a special, innovative ship built by VEKA Group. VEKA will be building two trimarans intended specifically for transporting personnel and freight to offshore wind farms. These are the first hybrid trimarans in the world. Transporting offshore personnel takes place mainly by catamaran. These will be VEKA’s first trimarans.

Most of the innovations are intended to make the so-called workboat more stable and more comfortable, thereby reducing the risk of seasickness. For example, the ships have lower windows than is customary, so that the passengers have a better view. The third bow is designed to ensure additional stability and comfort. There are also innovative stabilisers built into the hull.

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Amercian P&I Club publishes a book as it prepares to mark its centenary

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The American P&I Club celebrates its centenary in February 2017
The American P&I Club celebrates its centenary in February 2017

The American P&I Club was founded in New York nearly a century ago in February 1917. To celebrate its first 100 years, a book entitled The American Club: A Centennial History has just been published. The book tells the story of the Club across ten decades of maritime and marine insurance history both within the United States and across the world. The book, authored by Richard Blodgett, a former Wall Street Journal reporter.

When the American P&I Cub was formed war was raging in Europe. At that time, P&I insurance was offered primarily from clubs in the United Kingdom and Scandinavia. In consequence of UK government trade-related sanctions which had been imposed on certain US shipowners in 1916, the American P&I Club was established to provide a reliable source of coverage in the United States.

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Fully automated electric ferries for Norway

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Picture of the yacht Fjord 1From January 2018, Fjord1 will be operating the two new electric ferries on the 2.4 km route between Anda and Lote on the west coast of Norway and this will be the first ferry connection in Norway where the Road Administration requires the use of zero-emission technology.

Although the Road Administration has allowed for partly hybrid operation, using biodiesel or biogas on the ferries, Fjord1 decided on using fully electric operation of the new ferries. Charging of batteries will be done through fully automatic charging stations at the quayside and battery capacity will be adequate to continue operations for several hours without charging.

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Fully electric propulsion on a passenger ship becomes possible

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Picture of a generic cruise shipThe Norwegian explorer cruise line, Hurtigruten, is to build its two new expedition ships using a new and environmentally sustainable hybrid, electric propulsion technology from Rolls-Royce. The MS «Roald Amundsen» and MS «Fridtjof Nansen» are about to be constructed at Kleven Yard in Norway.

In addition to the hybrid power solution, the vessels will have the latest of automation and control systems, including the Rolls-Royce Unified bridge, the first delivery of two azipull propellers using permanent magnet technology, two large tunnel thrusters, stabilisers, four engines, winches and power electric systems. And of course the Rolls-Royce ship design.

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The death of Captain Ieuan Lampshire-Jones has been announced

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Captain Ieuan Lampshire-Jones next to the Southeast AlaskaWith deepest regrets and sadness I have to inform you all that on 30th of December, 2016 our esteemed colleague, friend and mentor Captain Ieuan Lampshire-Jones sailed away peacefully to Fiddler’s Green at the age 94. Captain Jones was one of the original founding members of the Association of Marine Surveyors of British Columbia and he has played a crucial and supporting role in the amalgamation process between AMSBC and the International Institute of Marine Surveying and in subsequent formation of the IIMS Canada Regional Branch.

Captain Ieuan Lampshire-Jones was born in a small village in Wales (Aberarth), Captain Jones followed in the footsteps of his father, grandfather and great grandfather by choosing a career at sea. “You had three choices: farmer, preacher or seaman,” said Jones. He joined his first merchant ship, the Lottie Rolfe (part Continue reading “The death of Captain Ieuan Lampshire-Jones has been announced”

Acoustic emission testing technology enables improved crack, corrosion detection

Posted on by News Hound
Photo credit ABS. Acoustic emissions wiring. George Wang
Photo credit ABS. Acoustic emissions wiring. George Wang

ABS has published and issued guidance notes on structural monitoring using acoustic emissions. This guidance presents best practices for planning and executing acoustic emission testing.

“A primary goal at ABS is to improve safety without interrupting operations,” says ABS Chairman, President and CEO Christopher J. Wiernicki. “These new guidance notes provide a framework that will help companies perform acoustic emission testing in support of continuous health monitoring for their assets.”

Acoustic emission testing is a passive nondestructive examination technology that has been successfully applied to detect and monitor crack propagation, corrosion activity, cavitation erosion and leaking in structures made of steel, aluminum, composites and other Continue reading “Acoustic emission testing technology enables improved crack, corrosion detection”

Fracture of propeller shaft resulted in loss of starboard propeller

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Interislander shipNew Zealand’s Transport Accident Investigation Commission (TAIC) has issued the investigation report for the passenger and freight ferry Aratere which was in Cook Strait en-route from Picton to Wellington when the starboard propeller shaft fractured and the propeller was lost. The ship was able to complete the trip using its port propulsion system only.

On 5 November 2013, when the ship arrived in Wellington, divers confirmed that the starboard propeller tail shaft had totally fractured within its tapered section, near the forward end of the propeller.

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