Standardisation, Certification & Recycling # 1992 Eindhoven
Today, in some parts of Europe plastics pipes and fittings are considered as mature products which have obtained an established position in underground applications. However, in others due to their flexible nature, their use is still sometimes questioned. This paper describes the actual performance of plastics pipes of different materials in different applications, and in a wide variety of buried conditions. To this end, use is made of an extensive computerized data base called "PiPeru, in which practical data obtained over a period of 25 years by different European companies and authorities has been collated, compared and evaluated for the first time. The majority of this data has remained unpublished until now. The data have been correlated and the outcome of this is presented. The facts as found are discussed and from this conclusions are drawn.