This tender specification covers the delivery and the installation of 12 doors at a USG-owned property in 1190 Vienna, Austria as per the attacehed scope of work (SOW). The work constist but not limit... This tender specification covers the delivery and the installation of 12 doors at a USG-owned property in 1190 Vienna, Austria as per the attacehed scope of work (SOW). The work constist but not limited to the following: Site installation for Floor Layer Work Demounting and disposal of existing door leaves and door frames Delivery and installation of doors Delivery and installation of entrance security door.