- Proposal for drainage, sewerage system adequate to nature of each urban;
- Analysis of hydraulic for urban drainage, sewerage system including culverts, channels, rivers, regulation lakes, drainage pumping station;
- Computer, select optimum treatment technology;
- Computer hydraulic, design of drainage network for urban and industrial zones;
- Computer, design drainage pumping station, sewage pumping station, regulation ponds, wastewater collection and treatment system for urban and industrial zones.