Pilot’s decision to proceed with unsecured deck hatches led to sinking

The US National Transportation Safety Board (NTSB) issued an investigation report on the sinking of the towing vessel ‘Ricky Robinson’ on the Lower Mississippi River, in December 2017, which caused death of the two crewmen onboard, oil discharge and significant damage of the vessel.

On 8 December 2017, about 11:26 local time, the Ricky Robinson capsized and sank on the Lower Mississippi River at mile 732.8 near Memphis, Tennessee, with two crewmembers on board, after the towing vessel began taking on water.

The pilot made a distress call just before the sinking; neither crewmember was found during the search and rescue operations that followed.

When the vessel was recovered 9 days later, the deckhand’s body was discovered inside the wreckage; the pilot is Continue reading “Pilot’s decision to proceed with unsecured deck hatches led to sinking”

Change in enforcement expectations for mild steel welding fume

There is new scientific evidence from the International Agency for Research on Cancer that exposure to mild steel welding fume can cause lung cancer and possibly kidney cancer in humans. The Workplace Health Expert Committee has endorsed the reclassification of mild steel welding fume as a human carcinogen.

Consequences
With immediate effect, there is a strengthening of HSE’s enforcement expectation for all welding fume, including mild steel welding; because general ventilation does not achieve the necessary control.

Outcome
Continue reading “Change in enforcement expectations for mild steel welding fume”

Leaking lube oil causes engine room fire on towing vessel

The speed of which the fire grew to encompass the engine room and the location of primary fire equipment within that same space together eliminated the opportunity for the crew to effectively fight the fir
The speed of which the fire grew to encompass the engine room and the location of primary fire equipment within that same space together eliminated the opportunity for the crew to effectively fight the fire.

The NTSB issued an investigation report on the engine room fire and explosion onboard the towing vessel ‘J.W. Herron’ on Big Bayou Canot near Mobile, Alabama in December 2017. The report identified leaking lube oil from a propulsion diesel engine hose or tubing fitting that was ignited off an exposed hot engine surface, as the key cause of the accident.

About 1340 local time on 13 December 2017, the towing vessel J.W. Herron was shifting barges on Big Bayou Canot near Twelvemile Island, approximately 8 miles north of Mobile, Alabama, when a fire began in the lower engine room and quickly spread.

After the crew of three partially secured the engines and fuel supply, heavy smoke and fire prevented them from Continue reading “Leaking lube oil causes engine room fire on towing vessel”

Operation on high thermal load damages engine

Photo for illustration purposes only.
Photo for illustration purposes only.

The Swedish Club has published some lessons learnt from a machinery failure. The six cylinder, medium speed type engine sustained serious damage serious damage and had to be renewed. Additionally, the turbo charger had to be overhauled.

The vessel in question was in ballast and at anchor, waiting for further instructions. After seven days the weather got worse and the ship’s anchor dragged. The anchor was heaved up and the vessel started to slow steam in the area.

After about a day, the differential pressure alarm of the main engine duplex lubrication oil filter sounded in the engine control room. The crew found aluminium and other metal inside the Continue reading “Operation on high thermal load damages engine”

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