DWA Industry Guide Watermanagement, Wastewater-Waste

2.7.2 Collector troughs

2.7.6 Concrete space cells

2.7.9 Prefabricated components, manufacture

2.7.12 Pure water containers

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

4.6.7 Stormwater settling tanks

4.6.8 Stormwater retention tanks

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

4.8.6 stormwater overflow tank

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

6.2.5 Aeration tanks

6.2.40 SBR plants

7.1.14 Sludge digesters made from reinforced concrete

14.2.8 maintenace and servicing