A rooftop rainwater harvesting project in Rajasthan, India, has cut water collection time and ensured household water availability in a region plagued by drought.

印度拉贾斯坦邦屋顶雨水收集项目节省了取水时间，确保了本受旱灾困扰地区的居民用水。

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Sixth: With having the water issue of Tehran in our minds we have added a water harvesting system to the project to collect the rainwater from the roof; to be used for irrigation after filtration.

第六：德黑兰缺水的问题，在我们设计中添加了一个集水系统，从屋顶收集雨水过滤后用于灌溉。

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This method is of general significance for design of the rainwater harvesting and utilization project.

该方法对雨水集蓄利用工程的设计具有普遍意义。

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It also scores points for being designed to earn Platinum LEED certification, with features like a rainwater-harvesting project and in-house water treatment plant to ensure 100 percent recycling of water.

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