A container ship will be lengthened by 12.1 m. A block of 29.2 tonnes per meter will be added to midship. The equipment weight of the new block is 0.5 tonnes per square meter. The new ship will carry 2 more bays (longitudinal number of containers). A crane will be added with a weight of 100 tonnes. The main dimensions and weight groups of the base container ship are given in Table 1. The capacity of the container ship is 720 TEU and the size of a container is 6.05 m by 2.43 m. Calculate the main dimensions of the new ship as L, B, and D. Calculate weight groups of the new ship. Calculate the deadweight of the new ship. Calculate the draft if SCg = 8T/10T.
Assumptions:
- The engine does not change.
- The type of ship carries containers below deck: N=10, N=8, N=6. Above deck: N=10, N=8, N=3.
- The weight of a container is approximately 15 tonnes.
Table 1: Main dimensions and weight groups of the base ship
Lw: 126.44 m
BHP: 5950 kW
a: 19.80 m
Vmax: 15 knots
T: 8.25 m
WS: 3070
D: 11.30 m
Wo: 1110
WM: 600
CM: 0.98
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