Execution of sewer cleaning and execution of emergency operations in the field of sewer maintenance in the years 2022 to 2026

Sewer cleaning: annual cleaning of approximately 70 km of sewage, 12 km of mixed and 25 km of rainwater drains;

cleaning of 26 pumping units and 230 house pumping stations;

cleaning of sand traps, seepage wells and rainwater treatment plants;

channel inspections;

Execution of emergency operations