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Spiral Observation Tower Clad in Copper and Supported by Cross-Laminated Timber

Author:
Anand Devarajan
Spiral Observation Tower Clad in Copper and Supported by Cross-Laminated Timber

Project in-detail

The copper-clad spiral tower, constructed with cross-laminated timber and featuring expansive observation decks, offers a new vantage point from which to engage with the surrounding prairie landscape.
5 key facts about this project
01
The spiral design enhances user engagement with the surrounding landscape.
02
Observation decks provide 360-degree panoramic views.
03
Cross-laminated timber offers both structural integrity and sustainability.
04
Copper cladding improves thermal performance and durability.
05
Wind turbines integrated into the structure support energy efficiency.

The Spiral Silo architectural project reinvigorates the traditional silo concept by merging functionality with visual impact. Located in a rural landscape, this design serves as a multi-functional observation tower, inviting visitors to engage with the surrounding environment. Through its unique structural form and material selections, the project embodies a modern reinterpretation of agricultural architecture.

Unique Design Approaches

This project employs a spiraling form that reflects the silhouette of traditional grain silos while introducing innovative circulation patterns. The design features two primary cylindrical towers connected by a series of observation decks that provide expansive views of the landscape. The spiral pathway encourages exploration, allowing visitors to ascend through the structure seamlessly. This dynamic circulation solution is integral to the user experience, providing opportunities for varied interactions with both the structure and its environment.

Sustainability is a key consideration in the design. The project incorporates renewable energy solutions, such as wind turbines, to power the observation tower. The use of Cross-Laminated Timber (CLT) for structural elements not only minimizes the environmental impact but also enhances the aesthetic qualities of the design. In addition to CLT, the project utilizes copper anodized aluminum for its outer skin, reinforcing durability while maintaining a lightweight appearance and improving the thermal performance of the building.

Technical Detailing

The architectural detailing reflects a commitment to both safety and transparency. The use of wire mesh for enclosures allows for unobstructed views while ensuring visitor safety. The integration of timber flooring adds warmth to the observation decks, creating inviting spaces for users. Additionally, the copper and steel balustrades provide structural integrity while complementing the overall aesthetic.

The project successfully integrates a range of materials, including concrete for the foundation, which provides robust support to the structure, and mesh systems that enhance the connectivity between the interior and the environment. Each material is selected to support the functional goals while contributing to the overall design narrative.

The Spiral Silo stands as a unique architectural response to traditional forms, focusing on functionality, sustainability, and user interaction. To gain a comprehensive understanding of this project, it is recommended to explore the architectural plans, sections, and designs presented. Such details will provide deeper insights into the innovative ideas and technical elements that define this architectural endeavor.

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The Mujassam Watan Urban Sculpture Challenge invites architects and designers to create iconic public sculptures for one of two sites in Saudi Arabia: Abu Hadriyah Road or the Tharwa Sea Front in Al-Khobar. Proposals should reflect Saudi identity, culture, and future aspirations.

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The Mujassam Watan Urban Sculpture Challenge is an international architecture and design competition inviting creatives to shape the future of Saudi Arabia’s public spaces. With a total prize fund of €50,000, the competition calls for sculptural proposals that merge cultural symbolism with innovative design, offering participants a chance to see their concepts brought to life in a rapidly transforming national context.

Organised by Buildner in partnership with the Mujassam Watan Initiative, the challenge focuses on two prominent locations: Abu Hadriyah Road, a major highway and gateway into the Eastern Province, and the Tharwa Sea Front in Al-Khobar, a pedestrian-focused waterfront district. Designers must select one site and develop a sculpture that engages with its surroundings—whether addressing the fast-paced dynamism of a transit corridor or creating moments of interaction along a coastal promenade.

Proposals should be bold, site-specific, and rooted in narrative—drawing on themes such as heritage, national identity, transformation, and dialogue. Environmental responsiveness, material durability, and feasibility are strongly encouraged, as winning projects may be selected for actual construction.

Each submission must include four A2 landscape presentation boards, a cover image, and a written project description. The competition is open to professionals and students alike, working individually or in teams of up to four people. No professional license is required.

Registration is open until July 24, 2025, with final submissions due by August 27, 2025. Winners will be announced on October 1, 2025.

Mujassam Watan Urban Sculpture Challenge

Design iconic urban sculptures for the prestigious Mujassam Watan competition and compete for 50,000 €

50,000 € PRIZE project COMPETITION
Prize 50,000 € + Potential realisation
Eligibility Open to all
Final registration deadline 24 July 2025

Enter an open architecture
competition now

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