After the demolition of the existing sanitary building, the extension of the Wilhelm-Tanck-Schule at Färberstraße 25 in Neumünster is planned as a 3-storey new building with a net floor area of approx. 2,800 m² directly adjacent to the existing listed building. The building will have a flat roof with extensive greenery and a PV system.

Sanitary work includes drinking water installation including drinking water connection to the existing building, sewage installation, insulation and insulation work, installation walls and sanitary objects and accessories.