本文件规定了金属结构船用起重机的一般制造技术要求。 本文件适用于以下类型的船用起重机: -安装在船舶上的甲板起重机，用于在港口条件下装卸货物或集装箱； -安装在驳船或浮筒上的浮式起重机或抓斗起重机，用于在港口条件下作业； -安装在船舶（包括浮动码头）上的机舱起重机和供应起重机等，用于在港口条件下搬运设备和仓库。 注:其他类型起重机中的船用起重机可参考本文件。 本文件不适用于在以下环境中运行的起重机: -环境工作温度低于？20°C； -环境工作温度高于+45°C； -海平面以下的起重作业； -涉及多台起重机的起重作业； -紧急救援行动； -岸边货物装卸起重机； -起重救生艇、救生筏、舷梯、引航员梯、舷梯及其装卸装置； -救生艇和救援艇的下水装置。

This document specifies the general technical manufacturing requirements for marine cranes of metal construction. This document is applicable to the following types of marine cranes: — 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. NOTE Marine cranes in other types of crane can refer to this document. This document does not apply to cranes manufactured to operate in: — ambient operating temperatures below？20 °C; — ambient operating temperatures above +45 °C; — lifting operations below sea level; — lifting operations involving more than one crane; — emergency rescue operations; — shore-side cargo handling cranes; — lifting lifeboats, liferafts accommodation ladders, pilot ladders, gangways and their handling appliances; — launching appliances for survival craft and rescue boats.