Applican of phase decision making method in urban aid services (case study: District 4 Karaj metro polis)

High level of society’s safety and suitable access to infrastructure while disaster is occurred indicate social welfare development. Correct site-selection of relief center along with other land uses can be important factor in sustainable function in such a center with high safety in the time of an unforeseen occurrence.
Development of Karaj as a megalopolis in recent decade and lack of capability or enough time to organize urban fabrics and acceptable infrastructure has made problem in developing of the urban spaces. Due to different site selection criteria and role of each relief center in occurrence, fire station which is the most important center is considered for this study.
For achieving to suitable distribution of this land use in Karaj, district 4. Firstly, the site-selection model for fire-station centers based on four effective criteria including population, network of streets, radius of work, urban land use and fourteen sub-criteria and six stations is designed. Secondly, all relative criteria and indexes were weighted and surveyed by analytical hierarchy process, fuzzy logic and spatial analysis elements and finally presented the best station and related alternatives. Results of this study will be obtained a solution to organize the existing approach and help urban manager to make correct decision against space changes in further.