The LLWR site has approximately 6 km of track running around it which as part of the Security Enhancement project needed to be upgraded. We considered the works and then sourced a agricultural “box blade” which was modified then pulled around the track by a tractor.
The adapted tool has enabled track repairs with the minimum of excavation in not only an environmentally sensitive area but also an area where buried ordnance is a risk. This involved ensuring the depth of cut was accurate and that the stone distribution regulated by altering and improving the position of the cutting lines relative to the blade and guide wheel. The tool allows the site to scarify and make track repairs without overdigging the track.
The benefits of using the ‘box blade’ include minimal excavation and removal of material, noise reduction, increased efficiency, a high quality finished track, a smaller footprint of the works and reduction in stone imports (initially it was estimated 700t would be needed, in reality we used 350t) by recycling the existing surface.
By re-purposing an agricultural tool in a construction setting, we devised an environmentally-friendly way of maintaining access tracks.
Entry submitted by Graham Construction.
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