Docks and Harbor Engineering
In basins subjected to strong winds and tide, the length of the berthing area should not be less than

The length of design vessel + 20% clearance between adjacent vessels
Twice the length of design vessel
The length of design vessel + 10% clearance between adjacent vessels
The length of design vessel

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Docks and Harbor Engineering
In a two lane channel, bottom width of channel is given by

(2 × Manoeuvring lane) + (2 × Bank clearance lane)
Manoeuvring lane + (2 × Bank clearance lane)
Manoeuvring lane + (2 × Bank clearance lane) + ship clearance lane
(2 × Manoeuvring lane) + (2 × Bank clearance lane + ship clearance lane)

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