Ordinary maintenance in the Venice "minor". Problems in nontrivial resilience

Often you are confronted with large and small monumental restoration, without realizing that, alongside the monuments, the minor building fabric enjoys a growing insecurity. In Europe, the traditional urban fabric, guarantees and substantiates the context of the major works through the restoration work carried out from the silent population. The decline in the population of the Italian Historical centres, generally large, however, creates new worries about the possibility, economic and social, to operate conservative spontaneous action, while the assumption of general public intervention and preservative constraint, represent a dystopia, rather than a reasonable aiming point. Through considerations of a historic building for residences bourgeois and popular, which included medieval warehouses, we will try, with technical considerations, drawings and graphics, to highlight the social significance of popular action in the restoration and its fragility against the constraint facing forms and uses. In particular the difficulties of organization of the condominium complex, the different owners of estates, the complexity of the urban system and the contrast between rigid positions of protection and the more possibilist conservative positions, with the dangers that even in these exist, can represent both a challenge and a hope in urban planning.