This is part of the Ngawha expansion programme to commission a new 31.5MW geothermal power station early next year.
Our role in this large project was to assist Network Waitaki with the tension stringing of the double circuit 110kV line. We were able to drastically reduce the time required to complete part of this job by using our specialised side pull hook on the helicopter to string the new conductor from pole to pole rather than pulling the line on rolling terrain from the ground.
We used one of our McDonnell Douglas 520N Notar helicopters on this job. These helicopters are perfect for this type of work due to their great manoeuvrability, and added safety feature of having no tail rotor which also reduces noise output significantly.
This was a fantastic example of good communication, coordination and cooperation to get the contract completed on time.
As well as pulling and replacing lines Heliventures can also conduct line inspections to identify potential hazards. Get in touch to find out more about this as well as our other Heli Services.
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