Environment

Netherlands to impose degassing ban on inland navigation vessels

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This ban aims to make the air quality around shipping routes better.
This ban aims to make the air quality around shipping routes better.

The Netherlands will impose a nationwide degassing ban on inland navigation vessels. The Minister of Infrastructure and Water Management, Van Nieuwenhuizen, wants the degasification ban to be introduced in the Netherlands by mid-2020.

This ban aims to make the air quality around shipping routes better. Inland shipping vessels often leave harmful emissions in the open air while sailing. The degassing ban must provide about 95% less emissions of harmful volatile substances by 2023.

A taskforce will be created in order to ensure along with the business community that the introduction of this national degassing ban runs Continue reading “Netherlands to impose degassing ban on inland navigation vessels”

Stainless steel bolts at offshore facility fail due to corrosion cracking

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A number of strain-hardened, Type 304 stainless steel bolts, (ASTM A193 B8, Class 2) failed unexpectedly at an offshore facility
A number of strain-hardened, Type 304 stainless steel bolts, (ASTM A193 B8, Class 2) failed unexpectedly at an offshore facility

The International Association of Oil & Gas Producers (IOGP) published an alert regarding an unexpected failure of certain kinds of strain-hardened Type 304 stainless steel bolts. The failure happened at an offshore facility during a pneumatic leak test of gas piping exiting a test separator.

The incident

A number of strain-hardened, Type 304 stainless steel bolts, (ASTM A193 B8, Class 2) failed unexpectedly at an offshore facility while a pneumatic leak test of gas piping exiting a test separator was being conducted.

Strain-hardening austenitic stainless steel nuts and bolts to increase their strength may increase their sensitivity to chloride-induced stress corrosion cracking (CISCC) and reduce their safe upper temperature limit. Other factors such as Continue reading “Stainless steel bolts at offshore facility fail due to corrosion cracking”

Ethylene vapors activate carbon monoxide alarm says safety alert

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A certified marine chemist traced the source of the vapors to an eight inch crack on a cargo vapor line
A certified marine chemist traced the source of the vapors to an eight inch crack on a cargo vapor line

The USCG has published a safety alert informing marine inspectors that ethylene vapors on LNG carriers can activate Carbon Monoxide alarms. Specifically, during an examination of a LNG carrier whose cargo tanks contained ethylene vapors, PSC Officers (PSCOs) received alarms on their portable four gas meters giving a reading of 60 to 100 parts per-million (PPM) Carbon Monoxide (CO).

A certified marine chemist traced the source of the vapors to an eight inch crack on a cargo vapor line. PSCOs initially thought the alarm was related to a combustion event and did not suspect the ethylene vapors were the source, because they did not get a Lower Explosive Limit (LEL) reading on their monitors.

The chemist indicated that the LEL most likely never alarmed because of high winds on deck. He further explained that the molecular weight of Ethylene (28 g/mol) was identical to the molecular weight of CO which accounted for the CO PPM readings. USCG personnel contacted the manufacturer who confirmed that Continue reading “Ethylene vapors activate carbon monoxide alarm says safety alert”

Sinking raises safety issues on bilge alarms

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Sinking raises safety issues on bilge alarms
Sinking raises safety issues on bilge alarms

In its latest Safety Digest, the UK MAIB provides learnings about an 8.13m fibreglass fishing vessel that was engaged in picking up its fleets of creels when it began to take on water and subsequently sank, no bilge alarms sounded. The skipper, who was working alone, managed to deploy the boat’s liferaft and climb into it as the boat was sinking and was later rescued without injuries.

The incident

The skipper went out to sea shortly after daybreak to recover his two fleets of creels. The weather was good. As soon as he arrived at the fishing grounds, he hauled in the first fleet of creels and stowed it on the aft end of the deck. He then headed at speed toward the second fleet of creels.

Continue reading “Sinking raises safety issues on bilge alarms”

Are ‘Smart Bolts’ the thing of the future?

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Intelligent wireless bolts in wind turbines or satellites may be able to let the operator know when something is wrong
Intelligent wireless bolts in wind turbines or satellites may be able to let the operator know when something is wrong

In the future, intelligent wireless bolts in wind turbines or satellites may be able to let the operator know when something is wrong. This could reduce the risk of human injuries and save cost.

A research team at NTNU in Gjøvik is working to create bolts that send an alert when something is not as it should be or when maintenance is needed. Each bolt must be able to contact a control center, which will receive messages from all intelligent bolts of this type in all installations around the world.

The team working on these wireless bolts includes Professor Michael Cheffena, two fellows and the manufacturer Dokka Fasteners. The vision of the research team is to develop wireless sensors to be installed inside the bolts. If the sensors detect that something is Continue reading “Are ‘Smart Bolts’ the thing of the future?”

IMO adopts GHG emissions strategy for shipping

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Nations met at the United Nations International Maritime Organization (IMO) in London recently to talk GHG emissions
Nations met at the United Nations International Maritime Organization (IMO) in London recently to talk GHG emissions

Nations meeting at the United Nations International Maritime Organization (IMO) in London recently have adopted an initial strategy on the reduction of greenhouse gas emissions from ships, setting out a vision to reduce GHG emissions from international shipping and phase them out, as soon as possible in this century.

The vision confirms IMO’s commitment to reducing GHG emissions from international shipping and, as a matter of urgency, to phasing them out as soon as possible.

Continue reading “IMO adopts GHG emissions strategy for shipping”

Wind Propulsion is an Essential Tool in Shipping’s Decarbonisation Efforts says the International Windship Association

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Wind Propulsion is an Essential Tool in Shipping’s Decarbonisation Efforts
Wind Propulsion is an Essential Tool in Shipping’s Decarbonisation Efforts

The International Windship Association, along with its 40-plus member companies and organisations is positioned to help the shipping industry meet urgent and ambitious carbon reduction targets to be set by the International Maritime Organization (IMO) at MEPC72.

There is a wide range of wind-assist and primary wind propulsion technology solutions that offer between 10-30% savings for retrofits, and up to 50% on smaller new built fully optimised vessels. Wind is a primary renewable energy that is free at point of use, abundant and exclusively available giving the vessel better commercial and operational autonomy.

Continue reading “Wind Propulsion is an Essential Tool in Shipping’s Decarbonisation Efforts says the International Windship Association”

Standard P&I Club issues a guide to fire safety on ferries

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Standard P&I Club issues a guide to fire safety on ferries
Standard P&I Club issues a guide to fire safety on ferries

A fire is one of the most frightening things that can happen at sea. Often, seafarers have no ready access to the
emergency services when a fire breaks out and will need to rely on their own resources, courage and training to tackle and extinguish the blaze quickly to ensure the safety of the ship and everyone on board. To help Standard P&I Club has issued a guide to fire safety on ferries.

There are numerous causes of fire but the most relevant to ferries are:

– Electrical defects, such as overloaded electrical equipment, damaged cables and poorly formed connections. – Electrical faults in vehicles, especially when engines are hot/running. Reefer containers are major sources of fire.
– Mechanical failure, such as ignition from overheated bearings or a catastrophic engine failure.
– Uncontrolled release of oil or flammable liquid coming into contact with a hot surface, or the release of a low flashpoint fuel, such as petrol vapour, coming into contact with a source of ignition.
– Dry, readily combustible materials (such as wood, paper, textiles) coming into contact with an ignition source, such as a lighted cigarette, sparks or conducted heat from burning or cutting, highintensity lights or defective electrical equipment.

Continue reading “Standard P&I Club issues a guide to fire safety on ferries”

Improper securing arrangement of sea strainer cover leads to vessel capsizing

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Improper securing arrangement of sea strainer cover leads to vessel capsizing
Improper securing arrangement of sea strainer cover leads to vessel capsizing

Shipowners P&I Club has issued a case study about the capsizing of a vessel due to a loose port side sea strainer. Whilst double banked alongside another tug for four months awaiting a placement in dry dock, a harbour tug suddenly developed a list to port. Crew on board at the time quickly investigated to try and determine the point of water ingress, but struggled as the water level reached approximately 1 metre in height in the flooded engine room.

As the engine room crew tried to establish and stop the source of ingress, the deck crew were adjusting the mooring ropes to keep the vessel safely alongside as the vessel listed further to port. Eventually, the master took the decision to abandon the vessel as it was no longer safe to remain on board.

Continue reading “Improper securing arrangement of sea strainer cover leads to vessel capsizing”

Norway targets IMO to halve global shipping emissions by 2050

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Norway targets IMO to halve global shipping emissions by 2050
Norway targets IMO to halve global shipping emissions by 2050

Global shipping should set a goal of halving greenhouse gas emissions by 2050, Norway’s government and shipowners’ association said on Thursday before talks by the International Maritime Organization (IMO) in London next week.

Norway’s fleet is worth about $45 billion, the fifth most valuable in the world behind Japan, Greece, China and the United States. Norway’s shipping includes offshore, gas, chemicals, car vessels, dry bulk, crude, crude products and containers.

The IMO, which says international shipping represents about 2.2 percent of world carbon dioxide emissions, will meet from April 9-13 to develop a strategy to combat climate change. Shipping was not included in the 2015 Paris climate agreement.

Continue reading “Norway targets IMO to halve global shipping emissions by 2050”

Lessons Learned from El Faro published by USCG

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Lessons Learned from El Faro on main propulsion published by USCG
Lessons Learned from El Faro on main propulsion published by USCG

The US Coast Guard has published a safety alert to inform operators and other interested parties of the role that the main propulsion lube oil system was found to have played in the El Faro incident. They have recommended that operators, especially ships’ engineers, review the operational procedures and limitations of vital propulsion machinery and verify compliance with SOLAS, Classification Societies and regulatory standards.

The El Faro sank along with its 33 crew onboard in October 2015, marking one of the worst maritime disasters in US history. The USCG official report on the sinking of the El Faro revealed that loss of propulsion during heavy weather was contributing to the sinking. The exact operational status of all vital El Faro engineering equipment prior to the casualty could not be determined, but bridge audio recordings indicate that the vessel lost lube oil pressure to the main propulsion turbine and reduction gear bearings, resulting in loss of propulsion.

Continue reading “Lessons Learned from El Faro published by USCG”

OCIMF releases new information paper about the preparation of a safety management system

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OCIMF releases new information paper about the preparation of a safety management system
OCIMF releases new information paper about the preparation of a safety management system

Addressing the need for clear and consistently applied definitions of ‘critical spares’ and ‘critical equipment’ across the industry, this information paper provides guidance on the identification of safety critical spare parts for companies to consider during preparation of a safety management system (SMS).

The paper, released on 29 March 2018, introduces some boundary conditions to consider and walks through several steps that may be required to identify safety critical spare parts. It is equally applicable to companies managing any type of vessel.

“The identification of safety critical equipment and the need for safety critical spare parts is a complicated subject”, says OCIMF Director Andrew Cassels. “This paper provides guidance on the challenges that may be encountered when considering safety critical spare parts so that a ship owner can strive to efficiently manage their risks.”

Continue reading “OCIMF releases new information paper about the preparation of a safety management system”

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