the purpose of the contract is the repair of the roof terraces of buildings, the treatment of facades (housing), the improvement of the internal heating network, the installation of mechanical ventilation (wet rooms of housing and sanitary administrative and technical buildings) Market consisting of a firm tranche (Tf) and three optional tranches To1, To2 and To3

firm tranche "Design studies of all buildings and dwellings (no. 4,5,6,7,8,9,10,11,12,13,17) and administrative buildings (1, 2, 3 and roads and various network) and "monitoring of works". Basic missions and complementary missions in the design and implementation phases). Optional tranche 1: "monitoring of works for administrative and technical buildings (no. 1,2,3 and roads and various networks)". Base missions and complementary mission (in the implementation phase). Optional tranche 2: "scheduling, steering and coordination" for housing buildings no. 4,5,6,7,8,9,10,11,12,13,17" (additional mission). Optional tranche 3: "Scheduling, steering and coordination" for administrative and technical buildings no. 1,2,3+ roads and various networks" (complementary mission). The "asbestos treatment" mission will be carried out during the firm phase, and each of the optional tranches 1, 2 and 3. The details of the missions are provided in the "Additional information" section.