The task of the Administration department is to support the technical departments of the Civil Engineering and Transport department in terms of personnel, organization, budget and cash law.

In addition, there are activities in the context of operational accounting and fee calculation and assessment, the wastewater levy and cost surveys, the supervision of contracts in the field of wastewater law, the implementation and participation in permit and planning approval procedures under railroad law, road dedications, reclassifications, In addition, the drainage office is responsible for issuing formal approvals, acceptances, applications for infiltration of rainwater and engineering tasks within the scope of landfill site management.