12.4 Shores
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Statutory Documents - IMO Publications and Documents - International Codes - Grain Code - International Code for the Safe Carriage of Grain in Bulk – Resolution MSC.23(59) - Part A - Specific requirements - 12 Divisions loaded on both sides - 12.4 Shores

12.4 Shores

  .1 Wood shores, when used, shall be in a single piece and shall be securely fixed at each end and heeled against the permanent structure of the ship except that they shall not bear directly against the side plating of the ship.

  .2 Subject to the provisions of A 12.4.3 and A 12.4.4, the minimum size of wood shores shall be as follows:

Length of shore
(m) 		Rectangular section
(mm) 		Diameter of circular section
(mm)
Not exceeding 3 m 150 x 100 140
Over 3 m but not exceeding 5 m 150 x 150 165
Over 5 m but not exceeding 6 m 150 x 150 180
Over 6 m but not exceeding 7 m 200 x 150 190
Over 7 m but not exceeding 8 m 200 x 150 200
Exceeding 8 m 200 x 150 215

Shores of 7 m or more in length shall be securely bridged at approximately mid-length.

  .3 When the horizontal distance between the uprights differs significantly from 4 m the moments of inertia of the shores may be changed in direct proportion.

  .4 Where the angle of the shore to the horizontal exceeds 10° the next larger shore to that required by A 12.4.2 shall be fitted provided that in no case shall the angle between any shore and the horizontal exceed 45°.

Parent topic: 12 Divisions loaded on both sides
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