Metal strapping bands should ideally be used to secure steel coils, for the following reasons:
Each coil can be efficiently secured through its core to the two coils beneath - costly perhaps, but the safest method.
Using a pneumatic tightening tool, bands are tensioned up to 2,000 kgs.
Bands are applied singly, making it easier to handle them and pass them through awkward gaps.
Tension is uniform throughout the stow. (Do not use securing timbers, which defeat this purpose.)
If wire rope is to be used to secure steel coils, the following precautions should be taken:-
All bulldog grips should be properly fitted and adequately tightened.
Three bulldog grips should be fitted either side of the spanscrew.
The turnbuckles should be extended to the maximum of thread before application of the wires in order to ensure that after tightening not more than 1/3 of the thread is used. This will allow for further tightening.
Bands/wires should be passed as in Drawings A and B.