Dry docking with full cargo onboard:

 

Followings things to be considered while docking with full cargo:

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Vessel is subjected to more severe stress and strains than normal dry dock.

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Uneven distribution of weight.

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Additional weight of the vessel

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Unable to achieve required draft for entering

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Certain extra precautions to be taken.

 

Following actions to be considered if practicable, before entering:

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Discharge cargoes at port facility

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Transship cargo

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Press up the DB tanks beneath the holds.

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Distribute the weight of the cargo evenly over the inner bottom.

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Avoid local loading.

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Inform yard about cargo's characteristics, cargo plan and weight distribution in respective holds.

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All cargoes onboard properly lashed, secured.

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Communicate with yard with respect to extra shores or keel/bilge blocks.

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Vessel upright, minimize free surface effect, adequate stability, trimmed as per yard's requirement.

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Stand-by and prepare fire fighting equipments for repair and adjacent areas.

 

Procedures:

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Not possible for normal dry docking.

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Damage or repair works in a suitable position.

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Possible to pump out some of the dock water sufficient to expose the affected area.

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Leave the vessel partly waterborne.

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Reduce the reactions on the blocks.

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Reduce the tendencies of hogging.

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Reduce the tendencies of sagging.

 

 

Updated: September 21, 2007