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Poland joined the EU in 2004 and since then has been in receipt of significant inward investment to upgrade transport and other infrastructure. The geology of Poland has been shaped by the continental collision of Europe and Africa over the past 60 million years and, more recently, by the Quaternary glaciations of northern Europe resulting in a range of geological settings at least as varied as the UK.
The geology of central and northern Poland is characterised by thick Quaternary deposits comprising, among other soils, medium dense sand, which provides ideal dewatering conditions. A combination of complex permitting processes, restricted options for discharge and concerns over off-site impacts drives many projects to resort to groundwater control by exclusion using deep cut offs and horizontal grout plugs.
WJ has undertaken construction dewatering works in Poland since 2013 initially on the Fabryczny Station in Lodz followed by a range of projects including the S2 Southern Ring Road in Warsaw, demonstrating that large scale dewatering can be undertaken safely and providing cost program savings over exclusion alternatives. This presentation will use three case studies to give an overview of WJs experience of working in Poland over the last decade.
Chairman, WJ Group
Technical Manager, WJ Group
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