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Drainage systems
Drainage planning is part of the planning of traffic systems but, in conjunction with domestic and area drainage systems, it is also a part of the basic engineering services that must be coordinated for the location concerned.
These must often be planned in advance down to a certain level of detail when drawing up building plans and agreed with the authorities before work begins.
Drainage systems is a term that covers sewage, rainwater and mixed water pipes as well as basin systems for retention and/or cleaning. Dirty water is also drained over paved areas of traffic infrastructure and, before it is fed into a body of water or rainwater pipes, it must be cleaned in settling ponds or clarification tanks/shafts.
For classified road networks, the drainage systems are approved in the course of the planning approval process (service phase 4).
