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.
Water harvesting and conservation.
1 catchment area 2 transportation 3 first flush 4 storage system 5 delivery system 6 filtration system 8.
A study on rainwater harvesting in iran 2.
Recharging y rooftop water harvesting costs.
We have included one of the presentations in our website that can be viewed by the public.
Dew and fog can also be collected with nets or other tools.
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.
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.
Rain water harvesting ppt 1.
Rainwater harvesting seminar and ppt with pdf report.
Systems in most physical and climatic conditions.
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.
Rainwater harvesting rwh is the collection and storage of rain rather than allowing it to run off.
When does rwhs work.
Water harvesting techniques gather water from an area termed the catchment area and channel it to the cropping area or wherever it is required.
Costs and economic viability of roof water harvesting system y two types of systems.
Components of the roof top rainwater harvesting system.
The surface that receives rainfall directly is the catchment of rainwater harvesting system.
Y rs 50 m3 for 20 year life y rs 25 for a 40 year life y rwhs wont replace public.
Y rooftop water harvesting y rooftop rainwater.
It may be terrace courtyard or paved or unpaved open ground.
In the areas of regular rainfall the perfect alternative to overcome the water.
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.
