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Concrete Trays and Green Roofs for Flood Resilience in Communal Living

Authors:
Peter Lee, Yeonwook You
Concrete Trays and Green Roofs for Flood Resilience in Communal Living
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Constructed within concrete trays that manage stormwater, the design utilizes green roofs and off-grid hydrokinetic power to create resilient communal living spaces in a flood-prone area.
5 key facts about this project
01
Constructed in concrete trays to effectively manage stormwater.
02
Employs a hydrokinetic power system for off-grid energy sourcing.
03
Incorporates green roofs to enhance rainwater absorption.
04
Designed to absorb up to 1,400 cubic feet of water per unit.
05
Promotes community resilience through collective living solutions.

The Terrace is located in Hamyang, South Korea, and is designed to tackle the ongoing issue of flooding, which has become more severe due to climate change. It is a residential development that blends resilience with a sense of community. The design takes inspiration from the area's terraced farming landscape, aiming to create functional living spaces that are environmentally aware.

Water Management

A key feature of The Terrace is its effective water management system. Each home is set within a concrete tray that collects overflow from nearby streams. This design allows the residences to absorb up to 1,400 cubic feet of water, providing a direct response to the unique flooding risks in the area. Additionally, a green roof helps to absorb rainwater, contributing to better stormwater management while promoting ecological balance.

Sustainability Features

Sustainability is central to the design, focusing on off-grid living. A hydrokinetic power system captures energy from the adjacent stream, which reduces the need for traditional energy sources. This system ensures that residents have access to power while remaining environmentally friendly. The building also incorporates radiant floor heating, offering warmth and comfort without wasting energy.

Community Integration

The layout of The Terrace encourages residents to interact and support one another, fostering a strong sense of community. By designing units to not only protect individual homes but also to shield surrounding agricultural areas, the project emphasizes the importance of collective resilience in confronting environmental challenges.

A distinctive aspect of the design is its blend of local culture with practical living. Each home reflects a commitment to sustainability while enhancing the overall living experience. The focus on ecological integrity and community connection makes The Terrace a thoughtful response to the issues faced by its environment.

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Vancouver Tall Challenge: Building Higher Downtown

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Competition organisers

The Vancouver Tall Challenge: Building Higher Downtown is an international architecture competition organized by Buildner in collaboration with the City of Vancouver and the University of British Columbia’s School of Architecture and Landscape Architecture (SALA). The competition invites architects, designers, planners, and creative thinkers to explore innovative approaches to tall buildings in Vancouver’s downtown core, focusing on sustainability, livability, urban density, public space, and the city’s strong connection to nature. As Vancouver continues to grow, participants are challenged to rethink how vertical development can enhance urban life and contribute to a more vibrant, inclusive, and resilient city identity.

The competition offers a total prize fund of $15,000 CAD, with winning proposals selected by an international jury of architects, planners, academics, and city-building professionals. Key dates include the final registration deadline on October 29, 2026, submission deadline on November 30, 2026, and winners announcement on January 26, 2027. Full competition details, requirements, and registration information are available at architecturecompetitions.com/VancouverTallChallenge

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