Completed Projects
Study for the improvement of hydraulic and water quality behaviour of spillways in the sanitation system of VITORIA-GASTEIZ (Spain)

The main objectives of the project were:
- Reduce the number and quality of discharges into the river according to European recommendations.
- Prevent the impact of river overflows on the sewage system.
- Improve maintenance conditions.
Proposed actions were:
- Divert natural streams that currently are running through the sewage network.
- Construction of Combined Sewer Overflow Tanks, mechanical sieve and flow gates to prevent spills.
- Construction of new concrete manholes and inspection chambers as well as a security CCTV system.