Leading idea was to build inside the circle of rules that organization ASEAN regulated, in order of protecting the environment. Besides that, proceeding within this rules, we could save up to 60 million baht. For every project in Thailand, and countries of south-east Asia, the investment for preventing floodwater are very high. By creating barrage (dam) and rising the level of the road, we accomplished the natural flow of the terrain and secured the building of flood.