Multi-purpose vessels are often equipped with a removable tweendeck: a set of steel lift away pontoons which can be fitted within the hold at different heights above tank top. Additionally, the pontoons can be positioned vertically and used as grain bulkheads or cargo divisions. Permissible loads 3.5 – 5t/m2.
The multipurpose vessel MAKIRI GREEN has two holds equipped with set of loose tweendeck pontoons adjustable in three heights. Uniform load 4t/m2, weight 420t, total surface 1616m2, (260kg/m2).