it is a mixed public contract:-Part of the services is carried out in the form of an ordinary fixed-price contract for regular services;-Part of the services is carried out in the form of purchase orders for on-demand services which are carried out as and when purchase orders are issued. The clean-up concerns 14 buildings in the city

: Cleaning and maintenance of municipal premises according to the following modalities: oexecution of cleaning services (package), special interventions to be carried out on demand (cleaning after works, cleaning following "repurposing" of offices, restoration, etc.) (by purchase order). The above elements are described in the annex of the Cctp describing the sites concerned sites and listing the expected services and their frequencies.14 buildings are concerned

Cleaning of the windows of municipal buildings according to the following modalities: oexecution of cleaning services every 2 months (package). Special interventions to be carried out on request (by purchase order). The cleaning of the windows concerns 14 buildings, the modalities of execution of the service are described in the Cctp.La designation and the extent of the sites are specified and described in the Cctp and its appendix