What's wrong with the traditional pipe network survey?

There are five main problems in traditional pipe network measurement:

1, the traditional pipe network survey mainly considers some old urban areas that have done preliminary work for rain and sewage diversion and do not have the conditions for rain and sewage diversion reconstruction;

2. Non-point source pollution and runoff pollution of rain and sewage diversion can not be solved, and the traditional investigation did not consider the accurate investigation needed to solve this problem;

3. Traditional pipe network survey focuses on static data (pipe diameter, material, coordinates, siltation, etc. ), and there is no dynamic data investigation (monitoring of water quality, water quantity, water level and rainfall in a certain period of time), which can not meet the requirements of dynamic data analysis;

4. Focus on the static data analysis of pipe network (analysis of functional and structural defects, etc.). ), but lack of dynamic data analysis (such as initial rain characteristics analysis, water accumulation analysis, siltation analysis, sewage overflow analysis, pollution source analysis and external water analysis, etc. ).

5. A GIS system that can only provide static data (one map) is difficult to build a GIS intelligent monitoring and management system (one network and one platform) that contains dynamic data (such as water quality, water quantity, water level and rainfall).