A large building constructed around 1910 by the Casa brothers, was completed with the assistance of the Army in exchange for housing soldiers (it accommodated up to 200 soldiers) while awaiting the construction of Forte di Oga. The fortress on the summit of Dossaccio, first discussed in 1905, required several years of work between 1908 and 1912. Subsequently, further interventions were necessary to adapt the connecting road. At that time, the only transit route was via Roma, and to reach the fort, there was only a mule track.
The Military Engineers intervened, sometimes in an authoritarian manner, to prepare minimal accessibility. In 1910, the newspaper “La Valtellina” reported protests from the Oga population, who were restricted from passing through certain points on the road to the fort, “hindering the passage of carts and goods (menadura) between the village and cultivated land.” Moreover, the drainage channel that irrigated the fields was made unusable, utilized by the military authority for sand collection. According to the journalist, upstream of this prohibition was the refusal of the municipality of Valdisotto to transfer part of the communal lands to the Military Administration, citing overly severe conditions for transfer.
As late as 1913, the newspaper “La Montagna,” strongly anti-clerical and anti-governmental, reported that the corner walls of six houses along the main street (today’s Via Roma) in Oga were demolished or reduced in size to accommodate the passage of large artillery pieces destined for the fort. A certain Maiolani, uncle of the owner of one of the partially demolished houses, faced vigorous complaints against Engineer Cola and Captain Antonucci, resulting in a report to the Carabinieri and a trial for outrage that concluded with a fine of 300 lire.
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