BS ISO 20474-9:2017给出了ISO 6165中定义的特定于管道铺设者的安全要求。这是有意的 与ISO 20474-1一起使用，其中规定了通用的一般安全要求 两个或多个土方机械系列。本文件中给出的具体要求如下: 优先于ISO 20474-1的一般要求。本文件涉及与土方工程相关的所有重大危险、危险情况和事件 按预期或根据要求使用时，其范围内的机械（见ISO 20474-1:2017，附录A） 制造商可合理预见的误用情况。 它规定了适当的技术标准 消除或减少相关危害、危险情况或风险的措施 调试、运行和维护期间的事件。本文件不适用于出版日期前制造的机器。交叉引用:ISO 10968:2004（R10）Ed 2ISO 16625:2013 Ed 1ISO 20474-1:2017ISO 6394:2008 Ed 3ISO 7136:2006 Ed 3ISO 9244:2008ISO 12117-2:2008ISO 19472:2006（R09）Ed 1ISO 6405-2:2017ISO 8813:1992ISO 12100:2010 Ed 1ISO 6393:2008 Ed 3ISO 7597:2013 ISO 3411:2007 Ed 4购买本文件时提供的所有现行修订版均包含在购买时。

BS ISO 20474-9:2017 gives the safety requirements specific to pipelayers as defined in ISO 6165. It is intended to be used in conjunction with ISO 20474-1, which specifies general safety requirements common to two or more earth-moving machine families. The specific requirements given in this document take precedence over the general requirements of ISO 20474-1.This document deals with all significant hazards, hazardous situations and events relevant to the earthmoving machinery within its scope (see ISO 20474-1:2017, Annex A) when used as intended or under conditions of misuse reasonably foreseeable by the manufacturer. It specifies the appropriate technical measures for eliminating or reducing risks arising from relevant hazards, hazardous situations or events during commissioning, operation and maintenance.This document is not applicable to machines manufactured before the date of its publication.Cross References:ISO 10968:2004 (R10) Ed 2ISO 16625:2013 ED1ISO 20474-1:2017ISO 6394:2008 Ed 3ISO 7136:2006 Ed 3ISO 9244:2008ISO 12117-2:2008ISO 19472:2006 (R09) Ed 1ISO 6405-2:2017ISO 8813:1992ISO 12100:2010 Ed 1ISO 6393:2008 Ed 3ISO 7597:2013 ISO 3411:2007 Ed 4All current amendments available at time of purchase are included with the purchase of this document.