scope:

This document specifies the winding layers, material selection, structural parameters, fastening of wire ropes and design calculation for drums of marine cranes.

This document is applicable to Marine cranes of the following types:

- Deck cranes mounted on ships for handling cargo or containers in harbour conditions;

- Floating cranes or grab cranes mounted on barges or pontoons for operating in harbour conditions;

- Engine room cranes and provision cranes etc. mounted on ships (including floating docks) for handling equipment and stores in harbour conditions.

This document does not apply to:

- Transport, assembly, dismantling and decommissioning of cranes,

- Lifting accessories, i.e. any item between the crane and the load,

- Lifting operations involving more than one crane,

- Hand powered cranes,

- Emergency rescue operations (except training),

- Shore-side cargo handling cranes,

- Portable cranes on board,

- Lifting appliances for lifeboats, liferafts accommodation ladders and pilot ladders.