本标准的目的是规定以下方面的最低要求: （a） 信号电缆线路、电缆坑以及信号机、龙门架、定位箱、设备室、电话和接地框架处的基础；（b） 将资产失效风险降至最低；（c） 在铁路危险区外进行信号电缆线路和轨旁基础设施工作时，将对信号电缆线路和轨旁基础设施附近工作人员的伤害降至最低。

The objective of this Standard is to set out the minimum requirements for: (a) signalling cable routes, cable pits and for foundations at signals, gantries, location cases, equipment rooms, telephones, and ground frames; (b) minimising the risk of asset failures; (c) minimising harm to personnel working with, or in the vicinity of, signalling cable routes and trackside infrastructure when such work is taking place outside the rail danger zone.