ISO 10972-5:2006规定了与ISO 4306-1中定义的桥式和龙门起重机机构有关的特殊要求。ISO 10972-1中给出了起重机机构的一般要求。 这些特殊要求涉及机构的总体布局和设计、部件的选择和/或设计要求以及制造、安装、安装和测试说明。 ISO 10972不包括关于不同极限状态（屈服强度、疲劳、磨损）的能力证明计算规则- 5:2006.

ISO 10972-5:2006 establishes the particular requirements relating to mechanisms for bridge and gantry cranes as defined in ISO 4306-1. The general requirements for mechanisms for cranes are given in ISO 10972-1. These particular requirements concern the general layout and design of mechanisms, the selection and/or design requirements of components and the instructions for manufacturing, mounting, installation and testing. Rules for proof of competence calculations regarding different limit states (yield strength, fatigue, wear) are excluded from ISO 10972-5:2006.