Here is the translation: The service covers work on projects within the Purchaser's sewer system: -Wastewater (stormwater and sewage) The service covers, in whole or in part, work on the following tasks: -Cleaning of sewer pipes and manholes -Imaging of sewer pipes and manholes -Condition assessment of sewer pipes and manholes -Cleaning at treatment plants -Cleaning at pumping stations and pump wells -Cleaning of settling tanks -Cleaning at pumping and treatment stations -Sludge disposal -Operation of pump and cleaning vehicles -Cleaning of street drains -Cleaning and/or replacement of drain grates The contractor's responsibilities include, but are not limited to, the following: -Preparatory work for service delivery, e.g. review of drawings and specifications -Contractor's internal project management -Site supervision -Contractor's internal quality control -All other necessary support functions in relation to the work to be performed -Safety measures -Operation and use of necessary IT systems to ensure traceability of all work The following services are not within the scope of the framework agreement: -Maintenance of equipment at pumping and treatment stations -Installation of new equipment at pumping and treatment stations -Pipe laying works