The main sewerage system of the municipality of Deventer, Olst-Wijhe and Raalte need maintenance. In order to have an overview of the state of the sewerage system, it must be cleaned and inspected annually. For this purpose, the municipalities put this maintenance contract on the market.

The municipalities organise a tender procedure for selecting one contractor per plot for the execution of the cleaning and inspection of the sewers.

The municipality of Deventer has an average annual budget of approximately € 45,000 available per year. Each annual budget is seen as task-setting. The scope of the assignment may change as a result of area changes and budget changes, on the understanding that the size of the assignment cannot exceed the annual ceiling amount of € 100,000.

The municipality of Olst-Wijhe has an average annual budget of approximately € 60,000 available per year. Each annual budget is seen as task-setting. The size of the assignment may change as a result of area changes and budget changes, on the understanding that the size of the assignment cannot exceed the annual ceiling amount of € 75,000.

The municipality of Raalte has an average annual budget of approximately € 60,000 available per year. Each annual budget is seen as task-setting. The size of the assignment may change as a result of area changes and budget changes, on the understanding that the size of the assignment cannot exceed the annual ceiling amount of € 75,000.