HI MR David,First of all we ...

HI MR David,First of all we have verify the present storm water and sewage water system and networks and any clogging and blockages and maintenance should be done.

As per design point of view we have to consider pipe sizing and sloping should be upgrade and rain water survey should me 100 years history should be consider for piping and peak flow with safety factors should 2 to 3 is bettor.And maintain good sloping for collection piping.Storm lift  pumping station should be high size(Inorder predict wastage of water & loss)

High range storm water harvesting system should be designed in each house and streets inorder to eliminate wastage of water.

Efficient Filtration system - clarification followed with sand filtaration and cartridge station and chlorination system should be designed with efficient reservour management..

In the case of flooding Mobile treatment plants should be available for drinking water supply to public.