本文件描述了履带式机器的要求。 本标准的要求旨在最大限度地降低车辆乘员的生命危险，以及此类车辆上的火灾可能对基础设施其他用户的生命安全造成的风险。 该文件涵盖了机车车辆的设计、施工和维护。 本文件第2至11节（含第11节）适用于新型中型和重型履带机械的设计和施工。 本文件第11节适用于现有中重型车辆的维护、改造和翻新- 工作轨道机器。

This document describes requirements for Track Machines. The requirements of this standard are aimed at minimising fire risk to life of rolling stock occupants as well as the risks that a fire on such rolling stock may pose to the life safety of other users of the infrastructure. The document covers the design, construction and maintenance of rolling stock. Sections 2 to 11 (inclusive) of this document applies to the design and construction of new Medium and Heavy-Duty Track Machines. Section 11 of this document applies to the maintenance, modification and refurbishment of existing Medium and Heavy-Duty Track Machines.