Descriptors | Sewerage, Sewers, Storm sewers, Outfall sewers, Drainage, Waste disposal engineering, Sewage engineering, Pipelines, Trade effluents, Foul-sewage drainage, Surface-water drainage, Planning, Pipes, Rigid pipes, Flexible pipes, Pipe laying, Pipe fittings, Pipe couplings, Manholes, Trenches, Siphons, Soakaways, Design, Records (documents), Structural design, Environmental testing, Repair, Foundations, Layout, Surveying, Symbols, Occupational safety, Hazards, Safety measures, Maintenance, Velocity, Leak tests, Watertightness tests, Excavations, Chemical-resistant materials, Roughness (surface), Construction operations |