标准号:BS EN 12951-2004
中文标准名称:屋顶用预制附件.长期固定的屋顶梯.产品规范和试验方法
英文标准名称:Prefabricated accessories for roofing - Permanently fixed roof ladders - Product specification and test methods
标准类型:Q70
发布日期:2005/9/15 12:00:00
实施日期:2005/9/15 12:00:00
中国标准分类号:Q70
国际标准分类号:97.140
引用标准:EN 364;ISO 1140-1990
适用范围:This document applies to permanently fixed ladders made of metal which are permanently installed on theload-bearing construction of pitched roofs and which may be stepped or walked on for purposes of inspection,maintenance and repair of equipment installed above the roof surface.This document specifies essential dimensions, materials to be used, requirements with respect to the loadbearingcapacity, and the extent of testing.This document does not cover walkways, single treads, single steps or roof ladders that are not permanentlyfixed nor does it cover fire escape ladders.