Home Infrastructure Environmental Sanitation plain culvert plain culvert Description Save culvert type Format DWG File size 766.24 KB DOWNLOAD DWG share your appreciation Related Posts siphonic casket Effluent treatment plant Filtering gallery intake treatment system Rainwater absorption well Filter house for agricultural ipesa drainage work project ecological latrines rainwater Sewerage system sewer plane sewage treatment plant Residual water treatment plant Slow filtration plant – water treatment plant Upflow anaerobic reactor for 1000 people visiting wells Discharge head for all drop pit Drinking water treatment plant in the sierra area Gates takes