DWA Industry Guide Watermanagement, Wastewater-Waste

2.7.2 Collector troughs

2.7.6 Concrete space cells

2.7.9 Prefabricated components, manufacture

3.1.1 Ready-for-connection pump stations with synthetic or concrete shaft

3.2.3 Small sewage treatment plants with wastewater aeration (DIN 4261)

3.3.3 stormwater utilisation systems

4.3.1 Petrol separators

4.3.2 Grease traps

4.6.15 Shafts

4.6.23 Other special structures

4.7.1 Pressure drainage systems

4.8.1 filter systems for stormwater

4.8.4 stormwater treatment basins

4.8.5 stormwater retention basins

4.8.8 lamella separator

4.8.9 sedimentationsplants (for stormwater)

5.1.1 Wastewater lifting installations

5.1.16 Pump stations, ready for assembly

6.2.4 Aeration systems

14.2.8 maintenace and servicing