This technical drawing provides construction details for a ventilated dry hole pit latrine. The file includes two structural alternatives for the superstructure: one utilizing corrugated metal (calamine) cladding and another using tongue-and-groove wood (machiembrado) walls.
Detailed CAD blocks show slab plans, pit sections, and roof framing. Elevation views illustrate the complete latrine housing, including the ventilation pipe with mosquito netting (malla mosquitera) and door assembly. The drawings specify a concrete lining for the pit and a reinforced slab design.
Technical annotations and dimensions are provided in metric units. Originally drafted for rural sanitation projects in the Huancavelica region, these plans is a reference for rural health infrastructure and community sanitation planning. Letrina de hoyo seco ventilada.
