I. INTRODUCTIONHE challenge of informal areas is the most serious urban concern facing the world nowadays. According to UN-HABITAT, the number of informal areas dwellers has increased to one billion people and if the situation continues, the number is expected to be 2 billion people in 2030 (A. Ghoneim, B. Salem, & Hassan, 2014). These areas are chaotic, unsafe, and consume many resources while suffering from bad living conditions. This low-quality environment is caused because of lack of comprehensive planning, negligence of government