Sustainable practice is an integral feature of development in Transpower’s electricity network.

The Transpower Whakamaru line is an alternate route to bring power into Auckland. The line terminates at Brownhill Substation and from there is distributed to the suppliers in Auckland.

The Brownhill Substation project was a significant intervention in to the rural and urban fringe environment that exists around the Brownhill site. The Conditions of Consent required the preparation of a Visual Mitigation and Revegetation Plan in advance of the physical works commencing.

Client

Transpower

Location

Auckland

Project team

Sarah Collins
Mark Lewis
Peter Whiting
Eddie Sides

Worked with

Beca
HEB Construction
HEB Landscapes

Project date

2014

Awards

Category Finalist | Sustainability | NZILA Resene Pride of Place Landscape Architecture Awards

The land had been grazing land prone to erosion and soil loss. In preparing the plans, it was recognised that the extent of the required planting did not provide a sustainable land-use outcome that would provide a realistic whole of life plan for the site. Boffa Miskell landscape architects and ecologists worked with Transpower, the local community and the wider project team to develop a consultation plan and seek long-term landscape management outcomes for the site.

Outcomes included:

  • Restoring stream environments using bioengineering techniques to promote fish passage and aquatic habitat,
  • Restoring stream and wetland corridors to be self-sustaining native environments,
  • Stormwater treatment in swales and wetlands,
  • Converting erodible land in the steep hill country to wood lots, and
  • Enhancing amenity values for nearby residents, while mitigating views of infrastructure
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