Los t Spaces

 Identifying and reviving los t spaces to reduce them is one of the duties of contemporary architects and urban planners; in the meantime, paying attention to the quality of revitalization and users' and beneficiaries' satisfaction is an issue that determines the success rate of this critical issue. The aim of this s tudy was twofold. Firs t, it has assessed the quality of revitalization of los t spaces using the Analytic Hierarchy Process (AHP) method. Second, it has inves tigated Zanjan Match Factory's revitalization success rate, converted into a museum of indus try and mining after renovation and recons truction. The present article's conceptual model is based on the exploratory analytical research method based on Bradbent's theory and the introduction of his five principles as assessment parameters. Each component in the case s tudy is considered, prioritized, and assessed by a survey of 15 participants in two groups of experts and users. Findings show that the criteria of human protection and economic productivity have a greater score in the proper revitalization of this heritage. In contras t, space proportions with a pattern of behavior have the lowes t score (preferences). Furthermore, this space's revitalization shows revitalization's success is the proper coordination between revitalization experts and users of this space regarding fulfilling their desires and needs.