Collection and disposal of contents from small wastewater treatment plants and sealed cesspits in Bielefeld in 2027

Summary

The City of Bielefeld is procuring a single-lot framework agreement for emptying, collecting and disposing of the contents of approximately 117 small wastewater treatment plants and 30 sealed cesspits in the city. The estimated volume is 360 m³, requiring about 80 collections in 2027; the waste must be delivered to the designated municipal treatment plants. The agreement covers 2027, with an option to extend for a further 12 months.