Integrated Urban Water Management (IUWM) Framework Codification in Architectural and Urban Design: The Case of Hashtgerd Young City Project

Document Type : Original Article

Authors

• milad mohammadkhani ¹
• Mohammad Reza Masnavi ²
• Mohammad Taghi Rezaei Hariri ³
• Mahta Mirmoghtadaee ⁴

¹ University of Tehran

² Department of Environmental Design Engineering, Faculty of Environment, College of Engineering, University of Tehran

³ Faculty of Architecture, College of Fine Arts, University of Tehran

⁴ Road, Housing and Urban Development Research Center

10.22094/soij.2020.680028

Abstract

Water scarcity is seen as a growing crisis that threatens societies, especially in arid climate regions. The climate change phenomenon and global warming have made policymakers reconsider their approaches towards water management issues in different sectors. Investigating sustainable management practices in the urban context, as one of the most important water-consuming sections is of great importance. In this study, after inquiring different features, principles, and means of sustainable urban water management, a framework of integrated urban water cycle management is codified to help architects and urban designers achieve or assess water efficiency in their design and planning. To reach this framework, principles of integrated urban water management and water sensitive urban design are asserted and practices are categorized into five sections: rainwater management, stormwater management, greywater management, blackwater management, and potable water management. Using this framework and based on the context of each project, a set of best practices are employed to form the integrated water management plan, although in some cases there is more than one correct answer. As a case study, the water management plan of the “Hashtgerd 35 ha. Young Cities project”-as an example of sustainable urban quarter pilot project in the Tehran-Karaj region- is assessed regarding the codified framework. Evidence from this research on water uses and systems’ functions, shows that a significant reduction in potable water consumption per capita from 210 liters to 75 liters per day could be achieved in this project; after implementing best management practices within an integrated water management plan.

Keywords

• Water Scarcity
• Climate Change
• Integrated Urban Water Management(IUWM)
• Water Sensitive Urban Design(WSUD)
• Hashtgerd Young Cities Project

20.1001.1.23456450.2020.9.4.3.1

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