The general assembly field is within the reach of the two sets of 600m gantry cranes; the total area of the field is about 42150�O.
    The ocean engineering construction dock is a 300,000 tonnage dock; its dimension is 480m x 115m x 13.6m (L*W*D); it is arranged with middle dock gate, around it there are four sets of 40t tower cranes.