BS EN 12613:2001, this warning plyage material is specified by the major utilities, giving warning in the bucket and in the trench. It is designed to fragment when disturbed in such a way that the operator will have the best chance of prior warning. Laid 0.30m above the pipe, it also has a stainless steel detection wire along the length. Resistance to micro-organisms, UV resistance, non polluting, orientation of the network, identification of the risk (visual).
