This Malaysian Standard establishes a classification of tower cranes as defined in ISO 4306-3, according to their category.
NOTE 1. For the classification of cranes, as defined in ISO 4306-1, based on the number of operating cycles to be carried out during the expected life of the crane and a load spectrum factor which represents a nominal state of loading, see ISO 4301-1.
lt applies to the classification of
- tower cranes for building and general construction work that tan be dismantled.
- permanently erected tower cranes.
- hammerhead cranes.
- dockside and shipbuilders’ tower cranes.
lt does not apply to the classification of
- power-driven mobile jib cranes which may be fit- ted with a tower attachment .
- erection masts, with or without jibs.