Population growth in greater Cairo, and rapid undirected urbanization processes are among the causes of a severe'houeing shortage, more evident in the low-incom, sector. From 1952 until 1976. the Egyptian government sponsored the realization of sanitary stereo-typed Public Rousing Project, in various locations in Cairo. They consisted of apartment building blocks, with units at one, two or three rooms plus hail and services (kitchen/bathroom).