Each lot will be awarded separately. This contract provides for the simultaneous achievement of the following objectives: -The maintenance of the safety conditions imposed by the various regulations in all the dwellings and premises concerned by this Contract, -The supply of? a quality and d? continuity of service and comfort meeting the expected requirements, -maintenance and maintenance in good working order of the equipment defined in this contract and annexes

maintenance, troubleshooting and replacement of individual boilers (gas and others) in the municipality of Vienna

maintenance, troubleshooting and replacement of water heaters, bath heaters (gas and others) on all the heritage of? Advivo as well as individual boilers (gas and others) outside Vienna