Waka - Kaitaia

In late 2023, we were approached by a structural engineer with a unique challenge: to create a robust structural model for a 10-meter-long Waka sculpture, constructed from stainless steel rods and timber. The sculpture was to be installed as part of Kaitaia’s new town square, enhancing the local cultural landscape. The project required careful integration of art and engineering, alongside considerations for public safety and aesthetic harmony.

The Challenge

The project involved creating a supportive, stable, and safe structure for a large-scale sculpture while preserving its artistic integrity. Key challenges included:

• Support Structure Design: The sculpture needed to be stable, withstanding wind loads and potential public interaction, such as children climbing on the installation.
  
  
• 3D Model Accuracy: Accurate dimensions were required for the steel and timber sculptures to facilitate precise structural support design.
  
  

Material Considerations: The structure needed to complement the artwork’s design using thin materials like stainless steel or iron rods, all while respecting the visual and thematic elements of the Waka and its surrounding environment.

The Solution

We employed 3D scanning to capture the precise measurements of the sculpture components. This allowed for a highly detailed and accurate Revit model of both the Waka sculpture and the timber frame.

• 3D Scanning & Modelling: The initial scan captured the stainless-steel lattice and timber frame, which were then cleaned from the final model to ensure it could be used for structural support design in Revit.
  
  
• Iterative Design Process: In collaboration with the artist, council, and engineering team, we explored several design iterations, ensuring that the structure complemented the art while maintaining maximum stability.
  
  
• Structural Support Design: The final design involved using thin stainless steel (or possibly iron) rods to triangulate and brace the Waka structure, ensuring rigidity while maintaining the minimalist aesthetic. The sub-structure was suspended from tusk-shaped columns, in keeping with the oceanic theme of the sculpture, and designed to be difficult for children to climb.
  

Results & Impact

• Functional and Aesthetic Balance: The final design provided the necessary structural support without compromising the visual impact of the sculpture.
  
  
• Safety Considerations: The tusk-shaped columns ensured that the structure would be difficult for children to climb on, contributing to the public safety of the installation.
  
  
• Successful Collaboration: The iterative design process between the engineering firm, artist, and council led to a solution that harmonized art and functionality, supporting a lasting installation that will enrich Kaitaia’s urban environment for years to come.
  
  

This project demonstrates the power of BIM in translating complex artistic visions into durable, functional public art, bridging the gap between creativity and engineering precision.

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