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Page Name: Rainwater harvesting


Posted by: project ideas
Created at: Wednesday 30th of May 2012 11:30:17 AM
Last Edited Or Replied at :Wednesday 30th of May 2012 11:30:17 AM
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, usually of acceptable quality for household needs and renewable at acceptable volumes, despite forecasted climate change (CSIRO, 2003). It produces beneficial externalities by reducing peak storm water runoff and processing costs. In municipalities with combined sewer systems, reducing storm runoff is especially important, because excess runoff during heavy storms leads to the discharge of raw sewage from outfalls when treatment plant capacity cannot handle the combined flow. Rainwater harvesting systems are simple to install and operate. Running costs are negligible, and they provide water ..................==> [ Click Here to Read More ]



Page Name: Rainwater harvesting from rooftop catchments


Posted by: project maker
Created at: Tuesday 21st of February 2012 10:55:48 AM
Last Edited Or Replied at :Tuesday 21st of February 2012 10:55:48 AM
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t include:
- A device to indicate the amount of water in the tank
- A sediment trap, tipping bucket, or other foul flush mechanism
- A lock on the tap
- A second sub-surface tank to provide water for livestock, etc.
• The following questions need to be considered in areas where a rainwater cistern system projects is being considered, to establish whether or not rainwater catchment warrants further investigation:
- Is there a real need for an improved water supply?
- Are present water supplies either distant or contaminated, or both?
- Do suitable roofs and/or other catchment su..................==> [ Click Here to Read More ]



Page Name: Safe Water Technologies


Posted by: project report expert
Created at: Monday 27th of June 2011 09:44:18 AM
Last Edited Or Replied at :Monday 27th of June 2011 09:44:18 AM
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reams, rivers, ponds and lakes for drinking water for Residences, Housing Colonies, Resorts, Villages, and Small Towns. Today, more than 1.1 billion people lack access to safe drinking water and 2.6 billion people have no access to basic sanitation. In most industrialized countries, access to safe drinking water is nearly universal, and is often taken for granted. This access has come as the result of massive public expenditures, though now more and more water supply agencies are being privatized. In contrast, access is typically lower in developing countries, where economies are weaker, and i..................==> [ Click Here to Read More ]



Page Name: RAIN WATER HARVESTING


Posted by: project report expert
Created at: Saturday 18th of June 2011 09:26:09 AM
Last Edited Or Replied at :Tuesday 19th of June 2012 09:24:11 AM
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rainfall greater than 200 mm (7.9 in) per year, and no other accessible water sources (Skinner and Cotton, 1992). Overflow from rainwater harvesting tank systems can be used to refill aquifers in a process called groundwater recharge, though this is a related process, it must not be confused with Rainwater harvesting.
Basic configuration
Rainwater harvesting systems channel rainwater that falls on to a roof into storage via a system of gutters and pipes. The first flush of rainwater after a dry season should be allowed to run to waste a..................==> [ Click Here to Read More ]



Page Name: RAINWATER HARVESTING ARTIFICIAL DISCHARGE TO GROUND WATER


Posted by: academic expert
Created at: Monday 18th of April 2011 06:51:20 AM
Last Edited Or Replied at :Friday 27th of July 2012 04:58:59 AM
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table and enables our dug wells and bore wells to yield in a sustained manner
• It helps in the availability of clean water by reducing the salinity and the presence of iron salts
Rainwater harvesting Techniques
• Storage of Rainwater on surface for future use
• Recharge to ground water
2. STORAGE OF RAINWATER ON SURFACE FOR FUTURE USE
The storage of rain water on surface is a traditional technique and structures used were underground tanks, ponds, check dams, weirs, etc. Rainwater flows away as surface runoff. This runoff could be caught and used for recharging aqu..................==> [ Click Here to Read More ]



Page Name: RAINWATER HARVESTING full report and ppt


Posted by: seminar topics maker
Created at: Monday 07th of February 2011 04:53:13 AM
Last Edited Or Replied at :Friday 14th of September 2012 11:41:50 AM
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Ground water resource gets naturally recharged through percolation. But due to indiscriminate development and rapid urbanization, exposed surface for soil has been reduced drastically with resultant reduction in percolation of rainwater, thereby depleting ground water resource. Rainwater harvesting is the process of augmenting the natural filtration of rainwater in to the underground formation by some artificial methods. Conscious collection and storage of rainwater to cater to demands of water, for drinking, domestic purpose & irrigation is termed as Rainwater Harvesting”.






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Page Name: Rain water harvesting in surrounding areas


Posted by: sharathsingh
Created at: Friday 17th of September 2010 09:46:22 PM
Last Edited Or Replied at :Saturday 18th of September 2010 05:12:46 AM
areas , surrounding, harvesting , water, Rain ,
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Dear sir,...

I am sharath and I am a student, I want more information about rain water harvesting, as I have decided to prepare academic projects report on this topic, so please help me?

Please do the above needful,..

Thank you,.....................==> [ Click Here to Read More ]



Page Name: RAINWATER HARVESTING AND ARTIFICIAL RECHARGE TO GROUND WATER full report


Posted by: best project report maker
Created at: Monday 08th of February 2010 01:25:01 AM
Last Edited Or Replied at :Friday 23rd of November 2012 11:38:24 AM
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RAINWATER HARVESTING AND ARTIFICIAL RECHARGE TO GROUND WATER


WHAT IS RWH?

RWH refers to collection and storage of rainwater and also other activity such as

harvesting surface water extracting ground water , prevention of loss through

evaporation and seepage


PURPOSES OF RWH

Stored for ready use in containers ground or below ground
Charged into the ground for withdrawal later


BENEFITS OF RWH

Rainwater harvesting prevents flooding of lowlying areas
Rain water harvesting replenishes the ground water table and enable..................==> [ Click Here to Read More ]



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