The diagrams below show how houses can be protected in areas which are prone to flooding.
The illustrated picture represents how stopbank protect houses in place which are prone to flooding and one part of this picture is no stop bank
As an overall trend, it is clearly apparent that stopbank plays a vital role to build house.
Looking at the picture more closely, if there is no stopbank, we should construct too high due to the sea level and keep freeboard at least 300mm. Meanwhile, if stopbank be make, they do not need to build too high but freeboard should be make higher than 100-years flood level. Also, floodgate will be constructed, and by doing so international ponding keep height nearly when it is raining.
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