20/30411828 DC

This standard 20/30411828 DC BS EN 16933-1. Drain and sewer systems outside buildings. Design is classified in these ICS categories:

• 93.030 External sewage systems

This document specifies requirements for the design of drain and sewer systems outside buildings.

It is applicable to drain and sewer systems, which operate essentially under gravity, from the point where the wastewater leaves a building, roof drainage system, or paved area, to a point where it is discharged into a wastewater treatment plant or receiving water body.

This part specifies requirements for the layout of drain and sewer systems.