本文件规定了船用起重机的操作和维护要求，包括电液缸变幅起重机、电液钢丝绳变幅起重机和电动钢丝绳变幅起重机。 本文件适用于在港口或隐蔽水域条件下运行的下列类型的船用起重机: -安装在船舶上的甲板起重机，用于在港口或隐蔽水域装卸设备、货物或集装箱； -安装在驳船或浮筒上的浮式起重机，用于在港口或隐蔽水域装卸货物； -安装在船舶、驳船或浮筒上的抓斗起重机，用于在港口或隐蔽水域作业； -机舱、仓库、起重机等。 安装在船舶上，用于在港口或隐蔽水域条件下搬运设备和仓库。 对于上述描述未涵盖的其他船用起重机或其他环境条件，可参考本文件。

This document specifies the operation and maintenance requirements of marine cranes, including electro-hydraulic cylinder luffing cranes, electro-hydraulic wire rope luffing cranes and electric wire rope luffing cranes. This document is applicable to the following types of marine cranes operating in harbour or sheltered water conditions: — deck cranes mounted on ships for handling equipment, cargo or containers in harbour or sheltered water conditions; — floating cranes mounted on barges or pontoons for handling loads in harbour or sheltered water conditions; — grab cranes mounted on ships, barges or pontoons for operating in harbour or sheltered water conditions; — engine room, stores cranes, etc. mounted on ships for handling equipment and stores in harbour or sheltered water conditions. For other marine cranes not covered by the above descriptions or for other environmental conditions this document can be referred.