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Hydrock starts on Merdian remediation project


Hydrock has said that it has started work on the remediation for the first phase of the £6bn Meridian Water regeneration programme in Enfield, north London.

The move onto site follows on from award of the work under Enfield Council’s remediation framework, to which Hydrock was appointed last year.

The 7ha former gasworks has undergone remediation in the past and Hydrock is now delivering further remediation works that are required to provide a suitable development platform for a mixed use residential and commercial development.

There is a focus recovery of suitable site won material and the management of materials to minimise off-site disposal and the work includes the excavation and rigorous processing of soils to achieve chemical and geotechnical compliance to facilitate re-use in the proposed development. Other materials will either be removed from site, or subjected to on-site treatment, such as bioremediation, to maximise re-use and recycling.

“Working with Hydrock we are proud to be combining smart, tried and tested design with innovative remedial techniques,” said Enfield Council zone 1 enabling works development manager Dave Rutherford. “Getting this balance right is critical to viability, which is always a key factor on challenging brownfield sites, and following impressive site trials we have gained the required regulatory approvals.”


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