The Purpose Of The Contract Is To Provide Services For The Management And Maintenance Of Climate Engineering (Thermo-Refrigeration Production And Hydraulic Networks, Air Treatment, Air Conditioning, Heating, Ventilation, Smoke Extraction And Electrical Cabinets, Plumbing And Waterproofing Of Terraces) For The François-Mitterrand And Bussy Saint Georges Sites Of The National Library Of France. (EXPIRED)