Home Infrastructure Environmental Sanitation manhole manhole Description Save manhole Format DWG File size 144.33 KB DOWNLOAD DWG share your appreciation Related Posts Chemical physical treatment plant Sewer sand trap grating drain Effluent treatment plant Sewer Residual water treatment plant Water channel Sewerage Canal Detail of register box height of 1 m Intake located in the zana river – lambayeque – peru River and storm drainage Water treatment plant sand trap Plan and project profile of a canal wastewater treatment plant sludge treatment plant 02 eye sewer Home drainage connection detail