Dry hole latrine construction for rural andean school peru dwg
Floor plan, sections, details. construction notes 1. - if loose or soft earth, pit wall must be reinforced with logs, rocks, etc. 2. - must leave room for percolation. 3. - the toilet flange should extend at least 15 cm over compacted soil other material. 4. - planks used to create airspace should be joined to form a square.5. - airspace planks joined to cabin base with