Marine Order 43 (Cargo and cargo handling — livestock) 2018
Part 1Effects of shift and wind
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Part 1 Effects of shift and wind
The effects of the shift of livestock and fodder and the effect of wind are to be taken into account in the following manner.
1.1 Shift of livestock criteria
(1) The heeling lever due to the shift of livestock at 0 is:
| Average mass of livestock carried × livestock shift constant |
|---|
| floor area per head of livestock × displacement |
average mass of livestock carried means the average mass of livestock to be carried on the intended voyage.
floor area per head of livestock means the floor area required per head of average mass of the livestock to be carried on the intended voyage.
livestock shift constant is:
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(2) For a vessel with uniform breadth of pens, the livestock shift constant is:
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(3) For a vessel with varying breadths of pens, the largest breadth may be used:
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(4) The heeling lever due to the shift of livestock at 40 is:
0.8 × heeling lever due to the shift of livestock at 0.
(5) The heeling lever curve is a straight line joining the heeling lever at 0 and the heeling lever at 40.
1.2 Shift of fodder criteria
(1) The heeling lever due to the shift of fodder in pellet form carried in bulk at 0 is:
| total shift moment of fodder |
|---|
| stowage factor of fodder × displacement |
where total shift moment means the sum of the shift moment of each compartment calculated as follows:
0.044 × l × b3
b is the maximum breadth of the compartment.
l is the maximum length of the compartment.
(2) Volumetric shift moments may be work out the total shift moment of fodder, assuming the surface to be at:
(a) for a full compartment —15 to the horizontal; or
(b) for a partly filled compartment — 25 to the horizontal.