Ordinary social life depends on environments that make encounter possible without requiring encounter to be formally organised. The crucial condition is neither spectacle nor institutional grandeur but repeatable accessibility: places that can be entered, understood, used and revisited with limited negotiation. A tavern, café, library, market or pavement becomes socially consequential when its material arrangement and habitual use lower the threshold for presence among others. Social capacity is therefore spatial before it is programmatic. It emerges through doors that remain open, counters that support brief occupation, tables that tolerate duration, familiar routines, affordable transactions, recognisable temporal rhythms and a degree of behavioural looseness. Such spaces do not simply host social relations after those relations have been formed elsewhere. They participate in producing them by stabilising situations in which proximity, repetition and recognition can accumulate.

This capacity is epistemically difficult because it often appears trivial while it is functioning. Infrastructure, as Latham and Layton insist, is frequently transparent in use and becomes visible through interruption, closure or unequal access. Uría’s historical tavern reveals the same structure from another direction: its social importance was obscured by moral categories that framed drinking, gaming and informal gathering as disorder. The ordinary setting becomes legible only when analysis separates what authorities said the space represented from what people repeatedly did there. This is a methodological lesson of wider scope. Informal public life is easily missed when research privileges formal organisations, declared functions or exceptional events. Repetition, weak ties and unplanned coexistence require attention to practices whose significance lies precisely in their routine character.

The political consequence is that publicness cannot be reduced to public ownership. Commercial establishments can sustain forms of collective life, while formally public spaces can remain exclusionary, inaccessible or socially thin. Social capacity therefore depends on relations among ownership, access, price, familiarity, regulation, design and cultural convention. The Spanish bar is especially revealing because it occupies this ambiguous zone with unusual intensity: privately owned yet publicly permeable, transactional yet socially excessive, spatially bounded yet connected to neighbourhood routines. Its social value cannot be inferred from legal status alone. What matters is the surplus generated beyond the primary commercial exchange: recognition, informal information, toleration of solitary presence, recurrent weak contact, intergenerational coexistence, overheard knowledge, practical advice and the low-intensity care produced by people noticing one another. This surplus also has a material and sensory form. A bar’s sociality is not detachable from the counter, acoustics, lighting, visibility, smell, food preparation, television, doors, stools, terraces, circulation and relation to the street. Material-social coupling is therefore central to the infrastructural argument. The same commercial category can produce radically different social capacities depending on whether it allows short and long stays, whether one person can occupy space without explanation, whether staff recognise recurring clients, whether bodies can orient toward one another, and whether the environment supports multiple rhythms across the day. A social infrastructure is not defined by sociability in the abstract but by the concrete affordances through which different forms of sociability become possible. Socioplastics operationalises this problem by treating recurrent observation as a way of making weak, distributed relations legible without pretending that an archive automatically constitutes representative sociology. A long series of photographs, moving images, field notes, overheard fragments and spatial observations can preserve phenomena across years, cities and changing contexts. The methodological strength appears when those heterogeneous traces are retrospectively coded with explicit limits and then extended prospectively through a shared observational protocol. The archive generates candidate relations; recurrence sharpens them; comparison differentiates them; external scholarship prevents local intuition from being mistaken for novelty; later empirical designs can test selected propositions. The Spanish Bar series can therefore move from an artistic and documentary genealogy toward a research architecture while preserving the provenance of how its evidence was originally produced. The concept that emerges is ordinary social capacity: the distributed ability of modest urban environments to sustain public life through repeated, low-threshold use. It joins historical sociability, infrastructural theory and situated observation without collapsing their differences. It also clarifies what is at stake when such places transform, close or become less permeable: not the disappearance of authenticity as an abstract cultural value, but a possible redistribution of the spatial conditions through which everyday publicness is produced. Within Socioplastics, this capacity becomes analytically durable when ordinary recurrence is preserved as comparable evidence rather than nostalgic anecdote.