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Asymmetrical Roof Structure Enhances Community Space for the Mentawai Tribe

Authors:
Bryan Zachrie, Orry Junior, Stephanus Christo Probojati
Asymmetrical Roof Structure Enhances Community Space for the Mentawai Tribe
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An asymmetrical roof structure defines a community space that fosters cultural connection and sustainability for the Mentawai tribe while incorporating eco-conscious practices and traditional living methods.
5 key facts about this project
01
Asymmetrical roof design reflects cultural evolution.
02
Utilizes local wood resources to minimize carbon footprint.
03
Incorporates a circular water system for sustainable practices.
04
Amphitheater space enhances communal gatherings and rituals.
05
Biodegradable soap used to recycle greywater for irrigation.

The project focused on the Mentawai tribe in the Mentawai Islands of West Sumatra, Indonesia, combines traditional cultural elements with modern design. It aims to create a living space that meets the needs of the younger generation while addressing the challenges posed by modernization. The design reconsiders the traditional Uma, promoting an idea of coexistence between architecture and nature while fostering community interaction.

Design Concept

The design introduces a contemporary take on the Uma, moving away from the traditional symmetrical roof to an asymmetrical form. This change helps the new dwelling stand apart from older models and reflects the values of the present day. By doing so, it honors the tribe’s heritage while supporting modern living needs.

Spatial Organization

The arrangement of spaces balances private areas for daily life with communal spaces for social interaction. Two residents can live comfortably alongside their guests, while special areas for community rituals and ceremonies are also included. A proposed amphitheater serves as a venue for gatherings, reinforcing the community's social cohesion. This layout maintains functionality without losing cultural importance.

Sustainability Features

Sustainability is a core aspect of the design. A circular water system utilizes rainwater as the primary source, with well water available when needed. The use of biodegradable soap made from local plants enables greywater recycling for irrigation. These practices reduce water waste and align with the sustainable living approach of the Mentawai people.

Energy Strategy

The energy plan includes photovoltaic panels and a radiant floor cooling system. The solar panels generate electricity to meet the dwelling's needs, promoting energy independence. Passive cooling is achieved through roof ventilation, which reduces the need for mechanical cooling. This approach creates a more comfortable indoor climate while minimizing energy consumption.

The design features an asymmetrical roof that signifies a shift toward a new period for the Mentawai tribe, maintaining a connection to their cultural identity while embracing the present.

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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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