Drain and sewer systems outside buildings - Planning Ingestion-build-189776 BS EN 13431 defines and

BS EN 13431 defines and specifies the thermodynamic requirements for packaging to allow the incineration with energy recovery of packaging waste

For special applications such as industrial process control valves

measured through the satisfaction of customers and other interested parties

as defined in EN 12953-1

Drain and sewer systems outside buildings - Planning Ingestion-build-189776 BS EN 13431 defines andThis part of BS EN 752 sets out the principles to follow when planning drain and sewer systems that operate essentially under gravity. This European Standard is applicable to drain and sewer systems, which operate essentially under gravity, from the point where the sewage leaves a building or roof drainage system, or enters a road gully, to the point where it is discharged into a treatment works or receiving water. Drains and sewers below buildings