Home Infrastructure Environmental Sanitation Sewerage system Sewerage system Description Save Sewerage system. plans and sections Format DWG File size 576.60 KB DOWNLOAD DWG share your appreciation Related Posts Septic tank Sanitation connection Private sewerage solution Detail of wastewater aerators. Sump or manhole with seal boux colver Stairs plan Sanitary sewer Drinking water project – drinking water treatment Sanitary sewer network sludge thickener intake manhole return bag sand trap constructed wetland sewer plane Treatment plant and infiltration ditches Drinking water treatment plant; for the community of concepcion Sewerage system