We worked with Carillion to provide an effective solution to build the Braidburn Flood Prevention Scheme in the Colinton area of Edinburgh which was ultimately designed to divert flood volumes away from specific low lying areas.
Our leading expertise in creating cost-effective ground engineering solutions was crucial to the success of this project following the failure of the original strategy to excavate the existing silts and clays located on the line of the proposed embankments.
Our ground improvement and foundation divisions were able to offer specialist technical expertise to get this project back on track by creating a new strategy that allowed the use of existing unsuitable wet clays and silt material on-site, along with other excess formation material that had been excavated by the contactor on other areas of the Flood Prevention works. This material was then stabilised with Lime/PFA and pulverisation to achieve the required end product specifications to create earth flood embankments.
Additionally, our soil stabilisation division was able to provide chemical testing of the ash and shale spoil to prove its potential to leach contaminants especially when these materials are exposed or opened up. This fill material was then used to achieve the required levels on the new development.
Our strategy provided a programme where works were able to proceed during varying weather conditions had also not been achievable using the original plan.
Our approach also delivered a cost effective low-carbon, environmentally-friendly and sustainable solution for our client that was structurally sound, and the works were completed on time and under budget.
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