examining the role of renovation in reducing crime and increasing the safety of urban decline areas, case study: tehran’s 5th district

this article has been done having the objective of proposed principles regarding the role of urban decline areas and being impressionable in reducing crime. it was an investigation on urban crimes in decline areas, and finally the implementation of an approach that will lead to the creation of a healthy city. the result of this article is application of the urbanization principles aiming at having a healthy areas in designing cities’ which not only improves urban environment security but also leave good memories in mental images of citizens. this article analyzes decline areas of tehran’s 5th district through renovation of urban decline areas and creating a safe urban environments; this happens through examining the case under study with a holistic approach. for this purpose, the desirability of decline areas and finally the role of decline area of tehran’s 5th district has been examined in creation of challenges in tehran urban management according to the conducted studies of the target area, the relationship between living in outskirts and crime rates, the link among improvement patterns, reconstruction of decline areas and citizen participation and the relationship between the organizing facade, glazing and skyline based on a detailed plan. some results of this paper are as follows: sustainable renovation is not possible without understanding and concentration on the social, cultural and economic structure. furthermore, without attracting the real participation of owners, having access to desired improvement will not be fulfilled. followed by the full attention of city’s custodians and police which reduces the vulnerability of these areas. the current situation of decline areas in the case under study is in an unsuitable condition and the uncontrolled growth of ugly pattern which has brought dissatisfaction for citizens. research method was descriptive-analytic data collection and the research has been done through questionnaires, interview, observation, and library study. the analysis of the obtained data has been done by the utilization of spss software and lisrel, and the results of this examination show the important role of decline area’s renovation in increasing security and reducing crime.