scope:

This publication discusses water discharge systems and includes: - Discharge regulations; - Dirty water discharge systems; - Rain water systems according to the overflow principle; - Rain water systems according to the UV-system; - Dirty water and rain water discharge systems combined; - The building sewer on the premises; - Maintenance and inspection of the systems. The publication should be used as a tool for the design and execution of rain water discharge systems and dirty water discharge systems in buildings with a maximum height of 50 m and in as far as the waste water with respect to its nature and use strongly resembles domestic waste water. the publication helps the designer to design a water discharge system that meets the requirements made by the Building Decree and NEN-standards. This publication replaces the NPR 3216:1991.