The area of ​​the Bagni di Acqui is located outside the city, along the Bormida river, and sees the presence of some historical thermal structures, still in partial use, and a hotel settlement of the 1950s. The project concerns the redevelopment of this area, with the recovery also of the adjacent former Cesare Battisti Barracks, and the strengthening of the tourist-thermal offer.

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The set of interventions envisaged by the Tange-Iwakiri Plan (for a total of new built-up areas of around 48,000 square meters) is divided into several phases. The first of these involves the construction of a 4-star hotel with 225 rooms, with an adjacent spa area, in a tower building about 90 meters high; there is also an indoor fun park of 1,000 square meters and a health and recreational center adjacent to the "Carlo Alberto" building.

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The latter, which is subject to protection, is designed to restructure and transform into a hotel, with a view to safeguarding the historic-aesthetic value of the building and maintaining its fundamental morphological characteristics.