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Christchurch Art Gallery Monitoring

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KOA were engaged by Uretek  ( to provide survey assistance to this multi million dollar project.

The Art Gallery’s foundations had been weakened due to the sequence of earthquakes between September 2010 & February 2011. The Art Gallery was used by Civil Defence and other agencies during the initial recovery stages of the earthquake response. Subsequently it was identified that the building had settled differentially across its footprint, and  Uretek Ground Engineering  ( won the tender to correct the level of the building.  

Tem quis ut discipsam fugitate et ut fugitatur aut asimint ute

Te Matai Road Quarry

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Te Matai Road Quarry as flown for Higgins for stockpile volumes and management. The imagery allows Higgins to know where all of there different types of metal are spatially, and develop plans for managing those stockpiles. Accurate volumes are essential to the successful operation of the quarry and KOA has provided a quick, safe method to obtain volumes of all stockpiles on an ongoing basis. Only two stockpiles have been compared in this instance, however the volume of all stockpiles will be calculated.

Flight time: 45mins into strong breeze – gusting up to 40km/h

Image Count: 824

Survey Control: 9

Stockpile Volume Comparison:

UAV Stockpile 1: 798m³

GPS Survey Stockpile 1: 828m³

UAV Stockpile 2: 402m³

GPS Stockpile 2: 374m³

Manual stockpile surveys took approximately 20mins for the two piles.

Launch Video: YouTube Preview Image

Tem quis ut discipsam fugitate et ut fugitatur aut asimint ute

Railway Road – Airport Drive Upgrade

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KOA Survey Manager, Colin Fink, was Project Manager for the Palmerston North City Council funded upgrade of Railway Road for the railway bridge.

This also included a new roundabout at the intersection with Airport Drive which was being extended by Palmerston North Airport Limited.  This extension was also being project managed by KOA Survey Manager, Colin Fink.

The connection of Airport Drive to Railway Road provided a new link to the airport for the eastern suburbs.

Copyright Kevin O’Connor & Associates Ltd 2018