Abstract
Background: Natural disasters, such as earthquakes, can disrupt water distribution systems, leading to prolonged water shortages and associated crises. Tehran, with its high seismic risk, necessitates robust emergency water management solutions to ensure adequate potable and non-potable water supply during critical conditions. Methods: Using GIS and WaterGEMS software, we evaluated the design and placement of emergency water reservoirs in ASP Town, Shahriar. Hydraulic modeling was conducted to optimize the piping, pressure, and flow dynamics for potable water supply under emergency conditions. Additionally, non-potable water reservoirs utilizing treated wastewater were designed for irrigation and fire suppression, incorporating solar-powered pumping systems to ensure energy efficiency. Results: A 50 m3 cylindrical steel emergency tank, connected to the urban water network, was proposed to provide 3 L of potable water per person for three days in a crisis. The system includes solar panels, a 250-W pump, and a hydraulic shut-off valve to maintain water quality and availability. For non-potable uses, a wastewater reservoir with a variable-speed pumping station supports irrigation and supplies 12 fire hydrants, meeting pressure and flow requirements during emergencies. Conclusion: This study highlights the importance of integrated water management strategies, including solar-powered systems and treated wastewater reuse, to improve resilience against natural disasters. The proposed designs ensure sustainable water supply and effective crisis management for drinking and non-potable applications in high-risk urban areas.
Published Version
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