Home Infrastructure Environmental Sanitation transverse subdrain transverse subdrain Description Save The transversal subdrain evacuates groundwater. Format DWG File size 4.11 MB DOWNLOAD DWG share your appreciation Related Posts Water treatment plant in 3d without flocculators Sewer Flow diagram of a sewerage network El Palmar islet dredging study peat beds Drinking water system. Residual water treatment plant camera of bars Manhole sand removal detail topography survey drainage Urban sewerage sand trap Sanitary drainage sand trap Irrigation channel – aqueduct Inspection Camera Manhole design and specifications hillside catchment channel longitudinal profile