switzerland-petit-lancy: engineering services./ batailleux bus contraflow measure 32-2-13 of pa 3 multidisciplinary engineering services./ on the basis of the preliminary study attached to this call for tenders, resumption of the study on the creation of a bus lane in the opposite direction on the batailleux road and its access with a cycle path and bus stops in order to carry out the project. study phases: - preliminary draft - project, - building permit application, - tenders, - execution file, execution and commissioning. the purpose of this call for tenders is to appoint a multidisciplinary group of agents in civil engineering (roads and structure structures), traffic and geometric works. the services will take place as soon as the contract is awarded for a period of approximately 4 years until the commissioning of the structure.