To minimise excavation for both the piling mat and the haul road, Tensar geogrid was utilised to create a mechanically stabilised layer beneath these areas.
This approach eliminated the need for a 600mm dig-off for the piling mat ,instead the Tensar was laid directly over the existing topsoil, allowing the construction layers to be built up from there.
The same principle was then successfully applied to the temporary haul road, further reducing material use, vehicle movements, and associated carbon emissions.
By using Tensar within the road construction, they achieved a carbon saving of 3,820 kg CO2e, while the use of Tensar within the piling mat contributed an additional 6,570 kg CO2e reduction.
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Information provided by Tilbury Douglas
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