Houses |
400 |
800 |
1200 |
1600 |
Water-storage area (m2) |
5000 |
10000 |
15000 |
20000 |
Tank capacity (m3) |
300 |
600 |
900 |
1200 |
3. The objectives and background of research
The definition of rain water reservation system is to collect back the rain water in an artificial and natural ways. After simple process of filtration, it can be use for our daily water uses . By keeping the rain water in an underground water tank, after simple water treatment, it can be used in building and residential home like bathing, gardening , toilet, washing cars, cleaning streets and many uses. The using of rain water in cities or buildings is the best way to economize water usage and the most effective method. Looking from the usage of water point of view, toilet water
makes up 35% of the total volume of water usage. So, if the organizations, schools, houses, hotels, restaurants and so on are using the rain water system , the rain water collected on the spot, treated, and recycled consecutively , then, a substantial amount of water can be saved . So, the rain water conservation system is to recycle the rain water when it is raining, using the natural landscape or man-made technique to store back and recycle it. The main way to collect rain water is through the roof top and centralizing method. Through this,, to temporary restore the rain
water, it can reduce and relief part of the floods occur in the city.
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