Home Infrastructure Environmental Sanitation grating drain grating drain Description Save Construction details of a grate drain in road drainage. Format DWG File size 296.39 KB DOWNLOAD DWG share your appreciation Related Posts Sewerage system Road construction details – sewerage absorption pit Desilter for sewage treatment plant Primary treatment with imhoff tank infrastructure details Sanitary drainage Anaerobic ptar disinfection sewage treatment plant Processing facilities Septic tank and percolation well Expansion of sewerage network esc. 1:2000 Improvement for wastewater treatment wells and sumps visit wells doc Manhole box for sewage sewer plane Junction chamber for rainwater pipes-col-18 Residual water treatment plant Pilalo treatment plant plans