II. Sewer Networks and Facilities Topic II.1. Kinds of Wastewater. General Scheme of Sewerage. Kinds of Sewerage Schemes (Patterns). Sewerage
Definition: A set of pipe networks, facilities and technical measures, aimed at collection, transportation, purification of wastewater from urban, rural or industrial territories and safety discharge it into the receiving water bodies.
Sewer (Sanitary Wastewater)
Atmospheric (Rain) Wastewater
I, II and III - water sheds (subcatchments); 1 - subcatchments borders; 2 - collectors of second
order; 3 - collectors of first order (submains);; 4 - main (trunk) collector; 5 - sewer pipeline
(external trunk); 7 - pressure sewer pipeline; 8 - wastewater treatment plant (WTP); 9 - sewer