Houston Marine Insurance Seminar. Container vessels and Salvage Is the salvage industry prepared for the ever growing vessels ?. Containers. Container; steel box designed for carrying of goods around the world.
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Effect of the growing container vessels to the main risks
Standard container handling is designed for a vessel without trim or list.
On deck (outside cellguides) there is some flexibility, but within the cell guides the margins are limited.
Container terminals have some tools to handle non-standard situations.
For more complex situations additional equipment is required.
Challenges for container terminals, but possible when a vessel is in port
Pressure and requirements from authorities to deal with IMO cargo as a matter of urgency after the grounding. Discharging will need to be done by available equipment. Bigger vessels will carry more IMO cargo, subject to special requirements.
Size of the casualty manageable
5000 -8000 TEU
Bays of 14 – 16 Containers wide
At the grounding location
Large cranes available,
with sufficient reach to deal
with the casualty of this size.
Cranes can either be placed on barges or on the coast.
In the next 5 years more than 100 new built container vessels of 11.000 TEU and above
“Standard” cranes are not sufficient anymore to discharge the containers, high capacity / long reach cranes will be required.
Possibilities for discharging of containers by means of external cranes is restricted by two main factors;
Modular gantry systems can be used to create a custom designed discharge system for large containervessels.
Apart from your crane system a versatile spreader will be required. Intellectual spreader
Larger vessel may require extreme measures to deal effectively with a casualty.
Handling of damaged containers from a cargo hold cannot be done by means of a gantry crane, but will require heavy cranes or alternative means.
Cargo may need to be discharged in bulk if the container fails.
Containers from a casualty often require handling on a special area and are not allowed on a normal container terminal.
All containers will need to be surveyed by multiple parties in order to determine any damage.