Sibanye Informal Market

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3D Vault Experimentation.

vault test final 5.5.3dm

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MAP13 – Pavilion.

Fig.8 A degree of skill is required for the layering of the first layer along the guides

11 – Renders baja

5 – Vault tech

model making

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9 – Sections (large)Good2

3 – Ground plan (good one)

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4 – Axonometric (new)

6 – Sections (good)

10 – Deployed axonometric

7 – Traders

2 – Roof plan

roofscape 2 (context)

Traders and the Built Environment: Understanding Spatial Needs.

Walking through Sibanye Square, one immediately notices the intricate choreography of daily commerce—vendors staking their spots, makeshift stalls forming temporary streetscapes, and the constant negotiation between economic survival and spatial constraints. Traders like Joyce, Joseph, and Tshwawe embody the resilience of informal economies, operating in conditions where infrastructure is scarce, yet adaptation is constant. Their businesses, ranging from clothing resale to tool sales and street food preparation, are not just economic endeavors but lifelines for entire families. These micro-economies thrive despite the lack of formal recognition, highlighting the urgent need for architectural interventions that prioritize accessibility, security, and functional spaces tailored to their realities.

Security, Shelter, and the Challenges of Informality

Despite the economic activity buzzing within the square, the traders’ stories reveal a persistent struggle for security and basic services. Joseph’s concern about gangsters, Prince’s hesitancy to expand due to crime, and Patricia’s frustration over the lack of infrastructure underscore the precariousness of informal trading environments. These vendors navigate a cityscape that often fails to accommodate them, relying on self-built structures, containers, and repurposed urban elements. The absence of municipal support is striking—sanitation, shelter, and electricity remain out of reach for many, reinforcing the need for a market design that acknowledges these needs as fundamental rather than secondary.

Architecture as an Enabler, Not a Constraint

A reimagined Sibanye Square would integrate modular structures that respond dynamically to traders’ needs, combining flexible shading solutions, integrated water and energy access, and security elements that enhance, rather than restrict, informal trade. The spatial layouts should prioritize ease of movement, with designated areas for key market functions such as storage, childcare, and social interaction. If architecture is to be a tool for economic justice, it must be rooted in the lived experiences of those who occupy these spaces daily. The goal is not to formalize informality into rigid structures but to create a framework that enhances its organic intelligence and resilience.

Spatial Layering and Architectural Adaptability.

The next phase of this exploration brought me to the layered complexity of informal market architecture—how spaces function dynamically at multiple levels, from the micro-interactions between traders and customers to the overarching structural systems that enable these economies to thrive. The exploded axonometric diagram showcases an integrated system of adaptable marketplaces, classrooms, crèches, food courts, and waste disposal units, all tied together by a modular framework that can grow and change based on the needs of its users. This fluidity in design reflects the very nature of informal trade: it is responsive, self-regulating, and deeply embedded in social networks.

A Roof That Does More Than Shelter

One of the most striking aspects of this system is the roofing structure—a combination of tensile membranes, green roofs, and vaulted ceilings that work together to provide climate-responsive shelter while maintaining a sense of openness. In traditional urban developments, markets are often an afterthought, squeezed into leftover spaces or covered with inefficient roofing that fails to address ventilation and heat control.

Beyond the Physical: A Socioeconomic Ecosystem.

Here, the green roof system not only insulates but also contributes to stormwater management, while the vaulted ceilings allow for natural airflow, reducing reliance on mechanical ventilation. This approach redefines how architecture can serve informal traders, offering not just a workspace but an environment that enhances productivity and well-being.

At its core, this project is about more than just architecture; it is about fostering economic and social sustainability. By embedding community infrastructure — such as childcare, sanitation, and educational spaces — within the marketplace, the design acknowledges that traders are not just workers but parents, caregivers, and community members. The interconnected spatial logic ensures that every element, from the pedestrian pathways to the edge beams that act as gutters, contributes to a cohesive urban ecosystem. This is not just a market—it is a self-sustaining micro-city, built around the principles of adaptability, inclusivity, and shared agency.

Adaptive Roofscapes

The roofscape exploration builds upon the previous studies of informal market spaces, introducing a dynamic architectural language that echoes the organic growth of these environments. Rather than imposing rigid structures, this approach seeks to create a fluid and adaptable shelter system that mirrors the ever-changing nature of informal economies. The undulating forms respond to spatial needs, allowing for natural ventilation, shade, and intuitive movement beneath. These vaulted canopies not only provide protection but also reinforce the market as a civic space—one that is integrated into the community rather than segregated from it.

Shelter and Integration

Integration between the built environment and natural elements, as greenery spills over structural forms, enhancing both thermal comfort and aesthetic identity. Openings in the arches create a dynamic relationship with the sky, allowing natural light to filter into communal areas while preserving shaded comfort. The undulating geometry is more than a formal gesture—it responds to the needs of traders and visitors, offering flexible spaces that adapt to the rhythms of daily market life.