Home Infrastructure Environmental Sanitation Manhole box for sewage Manhole box for sewage Description Save Cutting plane ; pit box with specs Format DWG File size 182.02 KB DOWNLOAD DWG share your appreciation Related Posts Rural sewerage in the town of mashue. Residual water treatment plant skp sewerage Side intake Contact and chlorination chamber Sanitary drainage Details Processing facilities Strain for sanitary pipe discharge chamber River and storm drainage Detail of wastewater aerators. Aqueduct – calculations sewer project sewer mailbox rain grate primary settler Manhole Sanitary sewer Calculation of the maximum depth