Sustainable development of small bio-complexes in aspect of passive defense (A case study on Buin Zahra City)

Cities are one of the most important and densely populated human habitats and require the physical safety and security of the infrastructure as well as sustainability and resistance in counter with natural disasters and enemies threats. Passive defense subject is one of the issues that has been considered by planners and Iranian cities planners in recent years. Urban planning has a variety of dimensions, which, considered with regard to their protection and sustainability therefore will be a great benefit in critical situations, The present research conducts to use the inactive principles of urban planning, with emphasis on residential and critical uses in small-scale cities and protecting urban spaces by providing them by defensive role also, how to protect and defend people and their places of life by enforcing the rules and considerations of passive defense in present and future. In addition, it provides grounds for the better security and stability of the city with the least possible damage during the time of the foreign invasion and even terrorist operations. In the present research, analysis have been done using GIS tools on distribution strategic locations of Buin Zahra city as a small town scale where is located in the vicinity of the Iran capital and as result and central areas of the city and Southwest margins were detected as unsafe and critical areas threats.