The work led to the construction of an underground building on two levels intended as a car park at the service of the hotel under construction of approximately 80 rooms of various types and connected services (reception, restaurant, bar, etc.) and for the use of the Ski resort activities managed by the Company San Domenico Ski. The two floors of the car park are connected to the upper pedestrian square with two lifts and connecting staircase. On the ground floor, there is a ticket office for winter ski activities, an Info point, a cashpoint and other services related to the hotel. The structure of the car park was created in reinforced concrete for the foundations, the vertical structures (walls and pillars) and the horizontal structures (beams and floors). The work was characterized by the realization of a totally compact rock excavation for a volume of approximately 40,000 cubic meters and the same was carried out with explosives consisting of micro loads and cutting of the rock with diamond wire. The work has a plan size of 4,500 square meters on two floors, with the realization of 350 parking spaces.