ASME B30.10 pdf download Hooks Safety Standard for Cableways, Cranes, Derricks, Hoists, Hooks, Jacks, and Slings lt is not the intent of this Volume of the B30 Standardto require retrofitting of existing equipment.However,when an item is being modified, its performance require-ments shall be reviewed relative to the requirementswithin the current volume. The need to meet the currentrequirements shall be evaluated...