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flood hazard does not mean your house will be flooded. It usually means your house may be flooded during 1 in 100 year rainfall event. The flood zone may close to your house or reach your house.
In NZ standard, the house floor level should be always at least 500mm below the 1 in 100 year storm flood level, if the house was built as per the standard. Therefore, during the 1 in 100 year storm, you are safe to stay at home.
Anyone wants to check it, please PM me.
PS: it is shame that the stormwater drains in Beijin CBD are only designed for 1 in 2 year storm. In NZ, 1 in 10 year. |
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