Formula 4Formula 4

Formula 4

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where: F = floor load, in newtons per square metre

d = draught of the ship corresponding to the anticipated lightest loaded water-line, in metres;

y = longitudinal distance from the midpoint of the pen to amidships, in metres; and

L = length between the perpendiculars of the ship in metres.

24.3.2 A floor support of a cattle pen that also forms a boundary of a pen on a lower deck, must comply with 24.1, 24.2 and 24.3.1.

24.4 In respect of a livestock pen structure above the uppermost continuous deck, the requirements of 24.1, 24.3.1 and 24.3.2 may be dispensed with if the owner of the ship obtains the approval of the Manager, Ship Inspections, to calculations showing that the rails and stanchions of the pens and the pen floor and floor supports of those pens in that structure are capable of withstanding appropriate design forces using the criteria specified by the survey authority or other classification society responsible for approving the design of the structure.

24.5 The maximum stresses permissible for materials used in the construction of the boundaries and floors of a pen must not exceed the values specified in Table 6 when under the loads determined in accordance with 24.1, 24.3.1 or 24.4, as appropriate.

Table 6

24.6 If cattle are to be carried in stalls, the stalls must be constructed in accordance with provision 27.1.