Urban Meal Mine: Rice Terraces Reimagined as Megacity Food Infrastructure

What if the terraced rice paddies of Southeast Asia could be folded into the fabric of a megacity? Urban Meal Mine takes this provocation seriously, proposing an architecture that treats food production not as a rural afterthought but as a core urban programme. The design borrows the stepped geometry and gravity-fed water logic of traditional rice terraces, then scales and adapts them into rooftops, building platforms, and landscaped circulation networks that serve millions.

Developed by Kittithat Phubunjerdsak and published on uni.xyz, the project is grounded in the principle of the sufficiency economy: moderation, reasonableness, and self-immunity. Rather than proposing a single landmark building, Urban Meal Mine imagines a holistic urban ecosystem where vertical farms, livestock spaces, markets, educational zones, and recreational areas coexist with productive agricultural land, all organized around the question of how to design architecture and farming areas in the same place effectively.

Agricultural Geometry Carved into the Urban Ground

Seen from above, the scheme reads like a working farm that has swallowed a city block. Linear planted beds stretch in parallel rows, separated by curved pedestrian pathways that double as drainage channels. The geometry is not arbitrary; it responds to sun direction, wind patterns, and the natural terrain of the site. Terraces follow the land's existing contour, ensuring rainwater moves slowly across planted surfaces before being captured and recirculated. The result is a landscape that looks productive because it genuinely is: every planted strip contributes to food output while also managing stormwater and improving the local microclimate.

By expanding farming areas within dense urban conditions, the design sidesteps the usual binary between built-up land and agricultural land. The curving paths invite foot traffic through the fields, turning daily commutes into encounters with food production. It is urban planning that treats soil as infrastructure.

Planted Roofs, Public Plazas, and Canopy Walkways

At eye level, the project reveals a second layer of activity. Planted roof terraces cascade over building volumes, extending the agricultural surface well beyond ground level. A central plaza gathers visitors beneath curved canopies, creating a shaded threshold between market zones and the terraced growing areas above. The covered walkways are not ornamental; they channel airflow and provide rain protection, reinforcing the climate-responsive logic that runs through the entire scheme.

What makes this collage rendering convincing is the density of programme visible in a single frame: food markets, workshops, gathering space, and greenery all layered within the same architectural section. The project's ambition to merge agricultural production with social infrastructure becomes legible here. People are not just passing through a building; they are inhabiting a food system.

A Closed-Loop Section: Water, Soil, and Circulation

The sectional drawing and axonometric circulation plan expose the engineering logic that holds the scheme together. Numbered zones identify farm areas, parking, visitor facilities, and service transport corridors, each carefully distributed so the complex functions simultaneously as a food hub and a community center. The rice terrace profile works like a dam: rainwater is captured at the highest level and allowed to flow downward through gravity-fed channels, irrigating successive planting beds before being cleaned and recycled in a closed-loop system. Soil water never leaves the site; it is filtered and reintroduced, reducing energy consumption and external water dependency.

Circulation is equally deliberate. Pedestrian-friendly layouts separate service transport from public movement, ensuring that agricultural logistics do not conflict with the social life of the complex. The section reveals vertical farms stacked alongside livestock spaces and education zones, compressing a food cycle that would normally require hectares of rural land into a compact urban footprint.

Why This Project Matters

Urban Meal Mine does not propose a futuristic aesthetic for its own sake. Its value lies in the directness of its premise: traditional agricultural knowledge, specifically the terraced water management and soil protection techniques refined over centuries, can be transplanted into contemporary city building. The sufficiency economy framework gives the design an ethical spine, pushing it beyond formal experimentation toward a genuine argument about resilience, food security, and community self-reliance.

For a speculative project, it is remarkably specific about how things work. Gravity-fed irrigation, closed-loop water recycling, integrated livestock and vertical farming, and a zoned circulation system all appear in the drawings. Kittithat Phubunjerdsak demonstrates that architecture can be regenerative rather than merely sustainable, designing cities that produce as much as they consume. In a world of accelerating urbanization and thinning agricultural margins, that is not a utopian fantasy; it is a design brief waiting to be built.

View the Full Project

About the Designers

Designer: Kittithat Phubunjerdsak

Enter a Design Competition on uni.xyz

uni.xyz runs architecture and design competitions year-round that reward proposals with spatial conviction and real site intelligence.

Project credits: Rice Terraces by Kittithat Phubunjerdsak.