Water Harvesting System Ppt

Rainwater is collected from a roof like surface and redirected to a tank cistern deep pit well shaft or borehole aquifer or a reservoir with percolation.

Water harvesting system ppt.

1 catchment area 2 transportation 3 first flush 4 storage system 5 delivery system 6 filtration system 8. Y rooftop water harvesting y rooftop rainwater. Rain water harvesting is a system by which the rainwater that collects on the roofs and the area around the buildings is directed into open wells through a filter tank or into a. During the past three years we have done various presentations on the design and installation of rainwater harvesting systems to various groups of architects and project managers across south africa.

Conservation techniques conserve water within the biomass and the soil by reducing run off and keeping the water where it falls as much as possible. A study on rainwater harvesting in iran 2. The surface that receives rainfall directly is the catchment of rainwater harvesting system. Rainwater harvesting rwh is the collection and storage of rain rather than allowing it to run off.

Dew and fog can also be collected with nets or other tools. 6 1 roof top harvesting rain water may be harvested in areas having rainfall of considerable intensity spread over the larger part of the year e g. When does rwhs work. The process of rainwater harvesting involves the collection and the storage of rainwater with the help of artificially designed systems that run off naturally or man made catchment areas like the rooftop compounds rock surface hill slopes artificially repaired impervious or semi pervious land surface.

Acknowledgement through the means of powerpoint presentation slides we students of batch 2011 15 civil engineering department manit have made a small effort to study the employed techniques in the field of rainwater harvesting in iran. Recharging y rooftop water harvesting costs. Water harvesting and conservation. Systems in most physical and climatic conditions.

Water harvesting techniques gather water from an area termed the catchment area and channel it to the cropping area or wherever it is required. Components of the roof top rainwater harvesting system. Rain water harvesting ppt 1. In the areas of regular rainfall the perfect alternative to overcome the water.

Costs and economic viability of roof water harvesting system y two types of systems. Y rs 50 m3 for 20 year life y rs 25 for a 40 year life y rwhs wont replace public. Our earth is covered with 75 of water and 25 of land but water scarcity is a global issue because the large extent of water is not used for the domestic purpose irrigation purpose and one of the solutions for such problem is the rainwater harvesting. Rainwater harvesting seminar and ppt with pdf report.