Keywords:
Basic design data, Design, Dimensions, Drainages, Filters, Irrigation, Maintenance, Marking, Mechanical treatment, Operation, Planning, Pretreatment, Principles, Principles of construction, Qualification tests, Sewage, Sewage treatment, Sewage treatment works, Small sewage treatment plants, Soakaways, Soaking pits, Specification (approval), Structural works, Water practice