Northland power outage – Inexperienced worker removed too many nuts on pylon
An investigation into the collapse of a power pylon in Northland that cut power to most of the region has found contractor error was to blame.
Omexom was carrying out routine maintenance to the baseplate of Tower 130, a Transpower transmission tower servicing 100,000 properties, when the pylon fell on 20 June.
The report, released on Thursday morning, said a relatively inexperienced and inadequately supervised worker removed nuts from three of the four legs of the pylon, compromising its stability and causing it to rupture and fall.
And it was not the first time nuts and washers were removed from more than one leg of a pylon at once, which did not align with the contractor's own standard practice.
At the time the government called it "completely unacceptable" with the cost of the widesprea...









