ADAS and Bluesky Survey 30,000 km of Overhead Power Lines Using Laser Mapping Technology

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October 21, 2014
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ADAS and Bluesky Survey 30,000 km of Overhead Power Lines Using Laser Mapping Technology

COALVILLE, England, October 21, 2014 /PRNewswire/ --

    A multi million pound contract to produce the largest ever LiDAR survey undertaken by
an electricity distribution network operator in the UK has been awarded to ADAS and
Bluesky International. The companies have been contracted to conduct an aerial 3D LiDAR
survey of the whole of UK Power Networks' High and Extra High Voltage (HV & EHV) overhead
power lines, which extend to over 30,000 kms.

    LiDAR is a remote sensing technology that measures distance by illuminating a target
with a laser and analysing the reflected light to produce high-resolution maps. The
technology is central to the UK Power Networks contract, a three year risk-based tree
clearance programme for the electricity company. The survey assesses the current state of
vegetation near the overhead lines via the use of fully up to date 3D LiDAR images rather
than aerial photography.

    Tree related electrical disruptions present the single greatest risk to electricity
supplies. For this reason, electricity industry regulators in many countries require proof
that vegetation management systems are in place to minimise the potential for this type of
incident and the impact on customers.

    A major challenge of the contract was the need to complete the survey before autumn
leaf fall started in earnest. Weather conditions and Air Traffic Control restrictions can
sometimes be unpredictable and add to the challenge. However, three fixed wing aircraft,
each fully equipped with the world's most advanced LiDAR sensors, have been in the air
every day since mid July and successfully completed the survey within the strict deadline.

    ADAS and Bluesky have a strong track record of working together on similar projects.
The UK Power Network project follows on from a highly successful contract that the
companies delivered for SP Energy Networks in 2013. It involved the use of stereo aerial
photography to assess the amount of vegetation near the overhead lines combined with an
assessment of the number of customers affected which informed a prioritised programme for
resilience clearance.

    Through this project, UK Power Networks will be able to demonstrate to both the
industry regulators and their customers that they have invested in the best available
vegetation management system that will enable them to minimise tree related electrical
disruptions.

    Contacts:

    James Eddy, +44(0)1530-518-518, http://www.bluesky-world.com

ADAS and Bluesky International

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