BS EN 13476-3:2018 Plastics piping systems for non-pressure underground drainage and sewerage. Structured-wall piping systems of unplasticized poly(vinyl chloride) (PVC-U), polypropylene (PP) and polyethylene (PE) Specifications for pipes and fittings with smooth internal and profiled external surface and the system, Type B

Sewerage
Underground
Physical properties of materials
Testing conditions
Polypropylene
Sewers
Marking
Recycling
Performance
Pipes
Plastic pipelines
Plastics
Pipework systems
Drainage
Polyethylene
Unplasticized polyvinyl chloride
Pipe fittings
Polyvinyl chloride

Link: BS EN 13476-3:2018 Plastics piping systems for non-pressure underground drainage and sewerage. Structured-wall piping systems of unplasticized poly(vinyl chloride) (PVC-U), polypropylene (PP) and polyethylene (PE) Specifications for pipes and fittings with smooth internal and profiled external surface and the system, Type B
Source: BSI Standards