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Shifting-Ro-Ro-Cargo-in-Heavy-Weather

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[♪ music ♪] [MARITIME TRAINING SERVICES INC.] [In case of any conflict between the requirements shown in the movie and the company's safety management system (SMS), please follow the company's SMS requirements]

[Shifting of RoRo Cargo in Heavy Weather] A roll-on/roll-off vessel was loaded with a cargo of heavy machinery, vehicles, and containers [MAIN DECK] on the interior main deck [WEATHER DECK] and the upper external weather deck. The lashing of the cargo was carried out by the crew at the loading port, using chain lashings attached to thick strong points.

During the voyage, the ship encountered strong gale force winds, causing the ship to roll and pitch heavily. The bridge watch keeping officer observed a two-tier stack of containers on the weather deck shifting during particularly heavy rolling. The initial shift in cargo subsequently caused even more units to break free.

The moving containers caused extensive damage to the ship and cargo. Several units of cargo were lost overboard. Investigators looked into what happened and found the following:

The two upper deck containers, whose movement initiated the incident, were loaded with machinery parts that were not secured within. The upper unit was heavier than the lower one and contained a heavy cast steel ballast weight, whose free movement caused the stack to become unstable. The forces acting on the containers caused their corner castings, twist locks, and lashings to fail, setting off a chain reaction with the other cargo on deck.

A cargo shifting incident like this endangers the crew and the seaworthiness of the vessel. The following practices could have prevented this accident.

Perform all cargo stowage and securing in accordance with the vessel's Cargo Securing Manual. Shippers must accurately declare the cargo weight and description, and ensure proper stowage of materials within containers. Do not put very dense, heavy cargo items in standard containers, unless stowed on cradles that properly secure the cargo and spread the load. Avoid stowing heavier containers on top of lighter containers. Base your cargo-securing decisions on the most severe weather conditions expected for the intended voyage.

[ASK YOURSELF THESE QUESTIONS] Now that you've seen this video, ask yourself these questions.

What personal action can you commit to, to avoid an incident like this on your ship? [PAUSE THE VIDEO TO ANSWER THE QUESTION]

What are the procedures and controls on your ship that would prevent this from happening? [PAUSE THE VIDEO TO ANSWER THE QUESTION]

What could cause those procedures and controls to fail? [PAUSE THE VIDEO TO ANSWER THE QUESTION]

What can be done to make the procedures and controls more effective? [PAUSE THE VIDEO TO ANSWER THE QUESTION]

Remember, take the time to learn from past mistakes. It could prevent an incident.

Video Details

Duration: 3 minutes and 13 seconds
Country:
Language: English
License: Dotsub - Standard License
Genre: None
Views: 9
Posted by: maritimetraining on Sep 13, 2019

Shifting-Ro-Ro-Cargo-in-Heavy-Weather

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