2D technical section of a ventilated air chamber, known as a cámara bufa, used for humidity control in basement retaining walls. The drawing illustrates the assembly of prefabricated concrete panels, a fixing plate, and a prefabricated concrete planter integrated into the wall structure. It includes specific details for wall ventilation perforations and a PVC drainage pipe at the base connected to the sanitation network.
Drawn at 1:5 scale, the file contains dimensions in centimeters and labels for material layers, including sealed joints and gravel backfill. This detail is used for waterproofing and moisture management in sub-grade construction. Seccion por camara bufa.