HDPE Drainage Pipes - Harwal.net

Underground InstallationHDPE drainage pipes can be utilized in underground drainage systems. Trenches should be constructedand backfilling materials should be selected as per the local codes of practice. The below are somerecommendations:Fig. 1 “trenching in areas with heavy traffic”Fig. 2 “trenching in residential areas with light traffic”Fig. 3 “trenching inside concrete”12