Collection and drainage of waste water

Title: Wastewater collection and drainage It comprises the collection and drainage of wastewater, collection and transport of rainwater by means of wastewater network, collectors, cisterns or other means of transport, maintenance, cleaning and unblocking collectors, as well as emptying and cleaning septic tanks and similar and maintenance of chemical toilets. Does not include:  Water collection, treatment and distribution (3600);  Wastewater treatment (37002);  Drainage of agricultural and forestry land (43120);  Drainage and other preparations of construction sites (43120);  Gutter cleaning (81232);