本文件给出了设计和建造用于森林产品采伐及其安装的移动式码垛机的安全要求和验证方法。无论是在斜坡还是平坦的地形上，它都适用于所有使用电缆码器的伐木作业。此外，它还规定了制造商拟提供的安全工作实践（包括剩余风险）信息的类型。购买本文件时可获得的所有当前修订均包含在购买本文件中。

This document gives safety requirements, and the means of verification, for the design and construction of mobile yarders for logging of forest products and their mounting. It counts for all logging operations with cable yarders both in sloped and flat terrain. In addition, it specifies the type of information on safe working practices (including residual risks) meant to be provided by the manufacturer.All current amendments available at time of purchase are included with the purchase of this document.