Question

techniques for rooftop rainwater harvesting

Answer 1

Rooftop Rain Water Harvesting is the technique through which rain water is captured from the roof catchments and stored in reservoirs. Harvested rain water can be stored in sub-surface ground water reservoir by adopting artificial recharge techniques to meet the household needs through storage in tanks.

Answer 2

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• Rooftop rainwater is collected using a PVC pipe.
• Collected water is filtered using sand and bricks.
• Underground pipe is used to talk the water to the sump for immediate usage.
• Excess water from the sump is taken to the well.
• Water from the well recharges the underground water.

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