This tender covers the supply and installation of windows and exterior doors (Fenster & Außentüren) as part of the extension/new construction (Erweiterungsneubau) of the Melanchthonschule in Oberhausen, Germany. The scope includes all related fittings and accessories associated with the door and window works. The project is issued by SBO Servicebetriebe Oberhausen, a municipal service enterprise of the City of Oberhausen.