Rain water harvesting
INTRODUCTION Rainwater harvesting is a method of arrestin g rainwater and keeping it in reserve for future utility. NEED FOR RAINWATER HARVESTING To increase the water table by rejuvenating groundwater. To curtail the water crisis. To stay away from flooding of roads. To reduce surface runoff loss. HOW TO HARVEST RAINWATER? Before executing rainwater harvesting, the following parameters should be checked, like climatic conditions, soil characteristics, etc. In general, the rooftop rainwater method is used. Rainwater from the top roof is collected in a pit through a PVC pipe. A simple rainwater harvesting system mainly consists of three units a collection area, a conveyance system such as pipes, and a storage tank. This method is suitable for places where the annual rainfall is above 400mm/year. It is a very economical and productive technique for metropolitan cities and buildings. GUIDELINES FOR MAINTAINING RAINWATER HARVESTING Regularly check and clean the stora...