Water Harvesting System Ppt

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.

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. Recharging y rooftop water harvesting costs. Rainwater harvesting rwh is the collection and storage of rain rather than allowing it to run off. Y rs 50 m3 for 20 year life y rs 25 for a 40 year life y rwhs wont replace public.

In the areas of regular rainfall the perfect alternative to overcome the water. A study on rainwater harvesting in iran 2. Water harvesting and conservation. Costs and economic viability of roof water harvesting system y two types of systems.

1 catchment area 2 transportation 3 first flush 4 storage system 5 delivery system 6 filtration system 8. 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. Water harvesting techniques gather water from an area termed the catchment area and channel it to the cropping area or wherever it is required. The himalayan areas northeastern states andaman nicobar lakshadweep islands and southern parts of kerela and tamil nadu.

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. Rain water harvesting ppt 1. 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. Systems in most physical and climatic conditions.

We have included one of the presentations in our website that can be viewed by the 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. Dew and fog can also be collected with nets or other tools. 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.

It may be terrace courtyard or paved or unpaved open ground. Y rooftop water harvesting y rooftop rainwater. Rainwater harvesting seminar and ppt with pdf report. 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.