Home Infrastructure Environmental Sanitation drain box drain box Description Save Concrete drain box plus drain grate Format DWG File size 57.75 KB DOWNLOAD DWG share your appreciation Related Posts NDW Culvert 3d sewer network Basic signage design – dnit intakes Processing facilities Expansion of sanitary drainage Sand removal channel project; Sewage plant Upflow Anaerobic Reactor Sanitation project topographic plan Pontoon and manhole 24" Sanitary sewer network Wastewater Water treatment plant general plan and hydraulic profile Wastewater treatment plant - urban area Structural design of an inclined drop foundation plan sedimentation lagoon agitator Armco culverts types tmc d= 48 Processing facilities Upflow anaerobic filter