Home Infrastructure Environmental Sanitation Manholes Manholes Description Save D-type manholes with installation detail Format DWG File size 56.60 KB DOWNLOAD DWG share your appreciation Related Posts Sanitary drainage sanitary design Scupper Road drainage work - sections Residual water treatment plant Septic tank for schools or houses Integral Project Rural sewerage in the town of mashue. Processing facilities biological reactor Floating raft for treatment systems wayllabamba drainage network dolch p 2000 s sewage treatment plant Artificial roughness in xls channels Bmp side grid intake pumping stations rain grates Two-eye sewer with pvc pipe Cuculi town center sewerage Retaining wall - channeling