THE PROJECT COVERS NINE EDITIONS OF A TRAINING COURSE IN TWO MODULES, WHICH AIMS TO PROVIDE GSA PERSONNEL WITH THE ROLE OF THE IMMEDIATE INTERVENTION TEAM AT THE MONTE BIANCO TUNNEL WITH SPECIFIC TRAINING TO MANAGE FIRES IN TUNNELS, WHERE LARGE PRODUCTIONS OF SMOKE AND HEAT OCCUR. DUE TO HIGH TEMPERATURE, REDUCTION OR LACK OF VISIBILITY? AND OF THE POSSIBLE SPREAD IN THE AIR OF POISONOUS GASES, OPERATORS ARE OBLIGED TO WEAR SELF-BREATHING DEVICES, AIRWAY PROTECTION DEVICES THAT CAN BE USED EFFECTIVELY ONLY IN THE FACE OF ADEQUATE PREPARATION, SINCE THEY INVOLVE CAPACITY? TO OPTIMISE THE CONSUMPTION OF THE AIR SUPPLY ACCORDING TO THE PHYSICAL COMMITMENT AND THE OPERATIONAL SCENARIO. IN ORDER TO ACHIEVE THIS AIM, THEREFORE, DO EMPLOYEES NEED TO UNDERGO REGULAR TRAINING IN A CONTEXT THAT REPRODUCES IN THE PI MODE? REALISTIC POSSIBLE CONDITIONS OF A TUNNEL FIRE