scope:

Includes sewage systems for rain water and domestic waste water of buildings. Subject are the following. Dirty water sewage systems starting from the discharge system till 0.5 m outside the building. Rain water systems starting from the roof gutter until 0.5 meter outside the building accortding to the UV system. Outside sewer system from 0.5 m outside the building till the boundary (on the site sewer system). Combined dirty water and rain water discharge systems. Protection of the public sewer system against substances such as oil, petrol and grease and sludge. Fire protection aspects of the systems. Noise aspects of the systems. Dirty water and drainage pumps on the premises. Systems for the individual treatment of domestic waste water. System for grey water on the premises. Operational and maintenance aspects of the systems.