Section 5 in The Merchant Shipping (Equivalent Arrangements For Carriage Of Grain) Order, 1977
5. (a) Unless account is taken of the adverse heeling effect due to grain shift in accordance with these provisions, the surface of the bulk grain in any "partly filled" compartment should be trimmed level and topped off with bagged grain tightly stowed and extending to a height of not less than one-sixteenth of the breadth of the free grain surface or 1.22 metres whichever is the greater. Instead of bagged grain, other suitable cargo exerting at least the same pressure may be used.
(b)The bagged grain or other suitable cargo should be supported in the manner described in Part II of Schedule II. Alternatively, the bulk grain surface may be secured by strapping or lashing as described in Part II of Schedule II.Feeders and/or trunks :
