The municipalities intend the agreement to establish the implementation of the process sewer cleaning and inspection.
The work consists main features are:
1. sewer cleaning;
2. Remove obstacles from sewage;
3. discharging and dumping vacant RKG sludge;
4. Inspect drains.
It concerns the purchase of a service and the nature and extent of the service are based on historical data for mapping. Contractors register on the basis of notional amounts as there are in advance not to indicate how often and how thoroughly to take place cleaning. This is a common method in the industry.