Plastics piping systems - Glass-reinforced thermosetting plastics (GRP) based on unsaturated polyester resin (UP) - Guidance for the structural analysis of buried GRP-UP pipelines
Plastics piping systems for drainage and sewerage without pressure - Non-circular pipes, joints and fittings made of glass-reinforced thermosetting plastics (GRP) based on unsaturated polyester resins (UP) - Dimensions, requirements, tests and procedure for the proof of conformity
