This document describes concrete drainage pipes used for collect and drain the seepage water above the base sealing of landfills for sedimentation of natural soil and mineral compounds.
DIN 4266-3:1992 history
2015DIN 4266-3:2015 Drainage pipes for landfills - Part 3: Drainage pipes and fittings and their joints made from concrete
1992DIN 4266-3:1992 Concrete drainage pipes for landfills; requirements, testing and control