New wires are being installed and steelwork repaired and renewed on the 345 pylons which make up the 116km long electricity transmission line which runs south from a substation at Harker, near Carlisle to a substation at Old Hutton near Kendal and then on to a point on the national grid system at Quernmore in Lancashire.
Once the project is complete, more than 300 tons of steelwork will have been replaced and more than 1,000km of new wires suspended on the pylons.
Work to replace the wires on one side of the pylons is now complete and engineers have just started work on the wires on the other side. The project is very challenging, given that much of the line is in countryside exposed to the elements. The line also crosses five rail lines including the West Coast Main Line and the M6 motorway in two places.
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At present, a total of 200 engineers are currently working on the project and, through efficient working practices, will complete the upgrade in just one year, instead of the two which work on this scale would normally take. This will result in a saving to the company of around £10m.
This line is just a small part of the massive network of overhead lines, underground cables and substations that carry high voltage electricity across the country. The investment will keep the lines in good working order to ensure that everyone has the power they need, safely, and at the touch of a button.
The work will also allow National Grid to increase the efficiency of the line once a project to install some new equipment at the substation at Old Hutton is also complete.
The work on the line is expected to be completed by November and temporary offices and working areas around pylons removed by April next year. There will be no interruption to electricity supplies during the work.
In preparing for work on the overhead line, National Grid has liaised with local authorities, the Environment Agency and Natural England, amongst others.
William Fenton, Project Manager said: "We are delighted with the progress we are making to date on this project. By using our teams of engineers and their ground support teams more efficiently, we’re on target to complete this job in just a year – quite an undertaking when you consider the length of the line and the terrain it crosses.
"We're grateful for the patience people have shown during our work – particularly the local landowners who have pylons situated on their land."
(CD/JP)
