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Fiber Cement Facades and Transparent Glass Elevate Urban Living in Sustainable Mixed-Use Development

Fiber Cement Facades and Transparent Glass Elevate Urban Living in Sustainable Mixed-Use Development
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Utilizing fiber cement facades and extensive glass elements, the development seamlessly integrates sustainable materials to foster a vibrant community hub that combines residential and office spaces within an urban context.
5 key facts about this project
01
Utilizes a bent A-frame design to maximize natural light and visual connectivity.
02
Incorporates fiber cement panels with varied textures for enhanced aesthetic appeal.
03
Features balconies that extend living spaces, promoting outdoor engagement.
04
Designed with flexible office spaces to accommodate diverse work styles.
05
Strategically located green spaces enhance community interaction and outdoor access.

**Project Overview**

Located in the South of Market (SoMa) district of San Francisco, 690 Harrison combines residential and office spaces to meet the demands of urban density while emphasizing sustainability and functionality. The design aims to create a cohesive living and working environment, taking into account the unique characteristics of the urban context. By integrating diverse uses within a single structure, 690 Harrison facilitates community engagement and enhances the overall urban landscape.

**Sustainability and Efficiency**

Central to this project is a commitment to sustainable practices. Strategic window placements maximize daylight exposure and reduce reliance on artificial lighting, while computational design techniques have optimized the building’s form and orientation to lower energy costs. Detailed assessments of solar exposure throughout the day inform these design choices, reflecting a proactive approach to environmental considerations.

**Spatial Organization and User Experience**

The layout prioritizes interaction among residents and professionals. Ground-floor zones are designated for public engagement, accommodating leasing offices and lobby areas to encourage foot traffic. Above these communal spaces, residential units are designed for privacy and comfort, featuring balconies that extend indoor living areas to the outdoors. Flexibility is a hallmark of the office spaces, which are adaptable to various work styles, supporting both collaboration and individual productivity. Accessibility is integrated into the design through dedicated ramps and pathways, enhancing user experience across the building.

Numerous features distinguish 690 Harrison, including its successful blend of residential and professional functions, an architectural commitment to sustainability, and a focus on community-centric design that cultivates social interaction within a densely populated environment.

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The Buildner’s Unbuilt Award 2025: Celebrating Architectural Creativity and Visionary Unbuilt Designs with a Total Prize Fund of €100,000

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Competition organisers

The Buildner’s Unbuilt Award 2025 is an international architecture competition dedicated to recognizing and celebrating the value of unrealized architectural designs. It invites architects, designers, and students worldwide to submit visionary projects that have not yet been constructed, highlighting the power of ideas and the creativity behind the design process. By focusing on unbuilt work, the competition aims to bring forward concepts that shape the future of architecture and push the boundaries of the profession. 

Participants can compete in three categories based on project scale: Small Wonders (up to 100 m²), Medium Marvels (101–999 m²), and Large Visions (over 1,000 m²). Each category winner will receive €20,000, and additional prizes include honorable mentions, student awards, and a special Best Presentation Award. Winning projects will gain significant international exposure through Buildner’s publicity campaign and a feature article on ArchDaily, providing a unique opportunity to showcase creative ideas to a global audience. 

The Buildner’s Unbuilt Award 2025 encourages entrants to submit any type of unbuilt project, from conceptual visions to detailed designs, celebrating bold innovation without the constraints of realization. Important deadlines: registration closes on October 30, 2025; submissions are due by November 20, 2025; winners will be announced on December 17, 2025.

Buildner's Unbuilt Award 2025

Celebrating your unbuilt architecture visions with a €100,000 prize

100,000€ Prize / 2025 ideas COMPETITION
Prize 100,000 €
Eligibility Open to all
Final registration deadline 30 October 2025

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