preparing for the auckland electricity tower refurbishment

the challenge

Transpower owns and operates New Zealand’s high-voltage electricity transmission grid, which links generators to distribution companies and major industrial users. They have 24,805 steel lattice towers in New Zealand, with 1,827 of these (comprising 26 transmission lines) within the Auckland Region. Transpower needed to protect the Auckland Region towers from corrosion, to retain their structural integrity and the security of electricity supply to the Auckland and Northland Regions.

our role

Management of the consenting (RMA) phase, involving:

• A region-wide discharge permit application to discharge wastewater and/or wash water and waste, to water, from wet or dry abrasive blasting and from the repair and maintenance of the towers
• A region-wide discharge permit application to discharge wastewater and/ or wash water and waste, to land, from wet or dry abrasive blasting and from the repair and maintenance of the towers
• Two region-wide discharge permit applications to discharge contaminants into air from a dry abrasive blasting of the towers
• A region-wide coastal permit to carry out activities over and in the seabed and foreshore, to deposit material in coastal marine areas and to discharge contaminants to coastal water and land

stakeholders

Landowners, Local Iwi/Hapu, Department of Conservation, Transit/Motorists, Local Businesses

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