This contract covers corrective and preventive maintenance and upgrading to-standards: - lifts, lifts and lifting platforms; - garage doors, gates, barriers and motorized curtains, automatic or semi-automatic, properties of the city of Montrouge

corrective and preventive maintenance, upgrading, extrication and remote alarm of elevators, hoists and lifting platforms;

corrective and preventive maintenance, upgrading of motorized, automatic or semi-automatic garage doors, gates and curtains