Celtic Technologies | Caerphilly. Remediation of a Chemical Waste Dump
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Castlegate, Caerphilly

An ideal residential development site on the southern edge of Caerphilly was formerly a waste dump for the South Wales chemical industry. The site included a barrel dump, and soils impacted by contaminants including a wide range of volatile, semi-volatile and chlorinated solvent compounds presenting a risk to human health and controlled waters. A detailed design included a sophisticated water treatment system employed during excavation of the barrel dump, and a vapour barrier whose design was a world first. Works were carried out under an NEC3 Option C contract.