Home Infrastructure Environmental Sanitation drain box drain box Description Save Concrete drain box plus drain grate Format DWG File size 57.75 KB DOWNLOAD DWG share your appreciation Related Posts Plane topography in irrigation canal Stabilization and dewatering of sludge Complete list of sewerage municipalities Residual water treatment plant Chamber breaks pressure Urban drainage and landscaping Imhoff tank for towns of less than 5000 inhabitants – sewage treatment rainwater well thickener tank 180 m huaracane aqueduct irvig grid Sewerage and latrine sanitation system – Agua Santa Chumuch Effluent treatment plant Drinking water treatment plant q=240l rain details Sewers Sanitation Hydraulic design tank imhoff xls Aqueduct Sump type catchment plane