CEN/TC 165/WG 21
Drainage systems inside buildings

To establish European Standards for performance requirements, design, installation, application*) and related verification and test methods of gravity drainage systems including pressurized sub systems independent of their material carrying waste- and rainwater inside buildings**) from their point of origin*) includes also rules of commissioning**) drainage systems inside building incorporate all pipework and appliances inside, fixed to or passing through the building structure to the point of connection to the buried pipeline adjacent to that building. Pipelines below a building are included provided that they form part of the drainage system of that building.

National mirror committee of CEN/TC 165/WG 21