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Silver

Arch Design Award 

Winner

in

Architectural Design Category

'26

Qixian Public Housing: A Biophilic Social Nexus

Designed by

TSAI ARCHITECT & ASSOCIATES

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Qixian Public Housing: A Biophilic Social Nexus

Mixed-Use Architecture

Kaohsiung, Taiwan

TSAI ARCHITECT & ASSOCIATES

ZUI-YI TSAI, I-CHUN TSAI, ZONG-YOU LI, DA-LONG KONG, LIANG-YU LU, LI LAI, JIE-LIN CHEN, CHUN-YI WU

Photo Credits:

TSAI ARCHITECT & ASSOCIATES

Copyrights:

TSAI ARCHITECT & ASSOCIATES

Core Concept
Located in Kaohsiung, Qixian Residence is a 606-unit rent-only social housing complex. Its core concept is "Visual Justice"—democratizing the urban landscape. Rejecting real estate speculation, it prevents waterfront monopolization. The porous architecture shares natural light, ventilation, and river views with the neighborhood, ensuring nature remains a public right.

Inspirations
Inspired by the confluence of two rivers, a strategic central void acts as an ecological "wind corridor," pulling cool breezes into the city. The ground-level lobby and 4th-floor sky garden reinterpret traditional Taiwanese Ting-a-kha (covered arcades), creating shaded communal spaces that foster spontaneous social interaction.

Strengths & Unique Features
Functioning as an intergenerational micro-city, the podium hosts a 6,600 sqm social hub integrating daycare, senior care, and co-working spaces. Addressing post-pandemic needs, an innovative "same-floor exhaust and drainage" system prevents vertical pathogen transmission. Perimeter-positioned bathrooms ensure direct natural UV sterilization and ventilation.

Architectural Details & Materials
The North-South oriented towers minimize East-West sun exposure. The thermal envelope utilizes high-albedo materials and deep shading devices to passively reduce solar heat gain. Inside, compact studio units use internal frosted glazing to draw daylight deep into living areas, maximizing spatial efficiency.

Sustainability Requirements
Adhering to strict Green, Intelligent, and Seismic-Resistant Labels, the building operates as a "vertical forest." Landscaped balconies mitigate the Urban Heat Island effect. Rooftop photovoltaic panels generate renewable energy, while rainwater harvesting systems irrigate the extensive vegetation, synthesizing resource circularity with structural resilience.

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