the subject of this consultation is the performance of multi-technical maintenance operation services for the buildings of the Musée des Confluences, with an obligation of results and the implementation of minimum resources. The buildings concerned are:- the Musée des Confluences (including spaces granted): 86 quai Perrache, 69002 Lyon.- the Center for the conservation and study of the Louis Lortet Collections (Ccec): 13 rue Bancel, 69007 Lyon. Each lot is the subject of a work agreement at good order with a single economic operator, as defined in Articles R2162-1 to R2162-6, R2162-13 and R2162-14 of the Public Order Code