the purpose of the contract is to provide the following topographical and land services: - topographical missions to establish the necessary plan funds, in particular, for the study, creation, rehabilitation, requalification or management of installations, works and developments developed by the SMSO; - land missions to establish land studies for delimitation and other cadastral works

topographical and land missions on the part of the territory of the smso " Vexin " Right bank of the Seine

topographical and land missions on the part of the territory of the SMSO Left Bank of the Seine East + Territory Watershed La Mauldre

topographical and land missions on the part of the territory of the SMSO Left Bank of the Seine West + Territory Watershed La Vaucouleurs