Home Infrastructure Environmental Sanitation Air pass for drainage and sewerage Air pass for drainage and sewerage Description Save Aerial pass for drainage pipes of 20m 30m 50m with construction details Format DWG File size 365.06 KB DOWNLOAD DWG share your appreciation Related Posts Wastewater rig design rain grates intake Processing facilities zip sewage plant Sludge treatment with centrifuge Drying bed in a treatment plant. storm sewer sand trap Layout of the water treatment station fast filter section Treatment plant 1200 inhabitants Oxidation ponds Fat tampra detail rainwater Water and drainage sanitation project air pass plans 180 m huaracane aqueduct Sanitary sewer system firm plant