Before commencement of loading, 16mm wire cables should be laid fore and aft, about 3m apart. When loading is completed, a 6"x1" board lattice fence is fitted to the face of the stow. The securing wires on the tank top are then brought up over the stow to be attached with a span screw to the opposite ends, and then tightened. Gaps between the top layer packages/bundles are secured by wedging and/or tomming.