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Spiral Platforms Crafted from Sustainable Timber in an Ecological Observation Structure

Authors:
Miro Bannwart, Fion Niggli
Spiral Platforms Crafted from Sustainable Timber in an Ecological Observation Structure
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Elevated triangular platforms constructed from sustainable timber create a spiraling ascent for observation, seamlessly integrating into the natural landscape while promoting environmental engagement.
5 key facts about this project
01
Elevated triangular platforms support a spiraling vertical ascent, providing unique vantage points of the surrounding landscape.
02
Constructed using sustainable spruce and pine, the tower emphasizes eco-friendly materials and practices.
03
The design features a central spiral staircase, encouraging exploration and interaction with each level.
04
Safety glass enclosures ensure unobstructed views while maintaining structural integrity and visitor safety.
05
The bent A-frame design optimizes structural efficiency and visual connection with nearby natural elements.

# Analytical Report on the Phoenix Observation Tower

## Overview

Located in Pape Park, the Phoenix Observation Tower is conceived to harmonize architectural design with its natural surroundings. Drawing inspiration from the mythical phoenix, the structure's intent is to provide a range of observational vantage points while integrating into the landscape, promoting an appreciation of the natural environment.

## Spatial Configuration and User Engagement

The tower's design features a unique spiral staircase that connects a series of triangular platforms, facilitating dynamic views of the surrounding ecosystem. This spatial arrangement encourages exploration, allowing visitors to traverse at their own pace. Each platform offers varying perspectives, enhancing the experience of immersion in nature. The triangular forms evoke imagery of flight, reinforcing the narrative of rebirth and resilience, and inviting users to reflect on their relationship with the environment.

## Material Selection and Sustainability

The choice of materials for the Phoenix Tower underscores a commitment to sustainability and function. Spruce wood serves as the primary structural material due to its lightweight and robust characteristics, while pine wood is used for flooring and railings, adding warmth to interior spaces. Chrome steel elements ensure durability against environmental exposure, particularly in structural connections and roofing. Safety glass is incorporated for windows, maximizing visibility while integrating an open feel within the space. These materials collectively contribute to not only the aesthetic appeal but also the long-term sustainability of the structure, minimizing ecological impact during both construction and its operational lifespan.

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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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