Supervision of Remediation Works

Omnia were commissioned to provide geo-environmental consultancy support to address the requirements set out within the designers RMS and incorporate feedback from the Environment Agency.

The project was a large site located in Silvertown in London, the site and surrounding is a historically industrial area, which is undergoing major redevelopment. The site had previously undergone serval phases of investigation where contamination in the form of TPH including free phase production had been identified.

Scope of Works:

Omnia’s work included:
•Supervision of Remediation Works;
•Installation of Groundwater Monitoring Wells;
•Post-Remediation Groundwater monitoring; and,
•Production of Remediation Verification Report.

Omnia were in attendance throughout the duration of remediation enabling works to supervise the excavation and removal of grossly impact soils which were subsequently remediated using biopiles. Omnia made regular contact with the Client and the environmental consultant to provide updates on works and inform them of previously unknown contamination hotspot.


Validation samples and follow on groundwater monitoring demonstrated that works had been carried out successfully, with Omnia producing a Validation Report which concluded the site as suitable for the proposed end use.

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