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URETEK recently completed ground engineering work on the airfield at London City Airport as part of a multi-million pound infrastructure project to future proof the site. 


The primary work involved the stabilisation of over 100 concrete slabs adjacent to the airports runway. URETEK’s engineers were airside for three weeks using mobile units to stabilise the made ground beneath the slabs during overnight works. This ensured there was zero disruption to the regular airport operations.

This was part of the initial programme of works contributing to the full runway overlay and taxiway widening scheme. The URETEK work was a critical feature of the programme and illustrates the importance of resin injection s a method to extend asset life and future proof major infrastructure. 


The full programme saw the stabilisation of 118 slabs on the taxiway of the airport. Our technique required drilling through the 450mm concrete slab and to a depth of 1m at nine 1.5m points on each slab. We then injected a specific resin through each injection point that would fill any voids in the made ground beneath and expand to harden forming a solid base for the slabs.

We treated the taxiway over three weeks and handed over to the main contractor who is working on widening the taxiway and subsequently resurfacing the airport. This process will ensure the longevity of the airport for decades.