Locating the Residential Lands Using Multi- Criteria Assessment Method (TOPSIS)

Residential uses are the most important function of any city that have occupied the largest part of the cities. Supply of housing quality is one of the main objectives of housing programs in developed countries and providing this quality is one of the most serious challenges that housing policies and programs are faced with. The first important feature for adequate housing, is its land. Because the house that is placed in unsuitable location can not provide the requirements of its residents, even if it is appropriate. Therefore, the correct locating of housing in addition to improving the quality of housing will also reduce costs. In this survey, the researcher tries to find prone vacant land for residential establishment in order to achieve the most important purpose of the research that is locating of residential lands and due to the need for new residential buildings in Behbahan. Then it has investigated that the options have the potential for residential establishment or not?" and " Which one is more suitable for this purpose?". For this purpose, in this project after performing library studies and identifying the criteria needed to residential locating, three points of the city have been selected for residential establishment. After attending in these places and doing field activities, these three sites were scored based on criteria listed. We used "bipolar- scale" to change qualitative data into quantitative data. Finally, decision making matrix include alternatives rates is provided. After doing all the TOPSIS method steps that is elaborated in this text, one option is introduced as the best choice among the three options. Then, these areas were closely visited. Surveys conducted, and questioning of the experts about the status of selected sites, confirm the validity of selected options and the accuracy of the TOPSIS method.