Remediation services offer all-round solutions in world-wide market to clean up polluted sites

The remediation of derelict and contaminated brownfield sites is at the top of the Government's agenda in for the regeneration of the nation's vast legacy of polluted sites. As the new regime requiring the identification and treatment of contaminated land comes into play, this special LAWE feature reports on technical advances that offer new options for remediation and gives examples of good practice in action and looks at the role of specialist in this often complex field.


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Biogenie Site Remediation Ltd is a specialist environmental firm, based in

Bracknell, which provides site remediation services worldwide. The company has

completed a large number of projects involving technical, logistical or management

challenges. By relying on its experienced employees, complete laboratory facilities

and in-house tools, Biogenie aims to provide its clients with cost-efficient,

customised, and results-oriented remedial solutions.

The entire project cost £2.8 million and provided Biogenie with responsibility

for overall project management, including, but not limited to: detailed project

planning, the securing of all necessary permits, on-site project and subcontractor

management, and verification reporting.

The scope of work included plant and services decommissioning, site remediation,

civil engineering and landscaping work.

Decommissioning role

The decommissioning work involved the demolition of an office/ research building

and associated concrete floor slab and footings, the removal and recycling of

an aboveground pipeline, the removal and final disposal of asbestos-containing

material, as well as the management and use of an old on-site landfill for the

disposal of inert construction and site debris. Three diesel driven electricity

generators required cleaning, transportation, dismantling and recycling after

the PCB contaminated materials had been collected, sealed and disposed of at

a licensed facility.

The site remediation involved excavation, segregation, containerisation (in

custom-made 3.1 m³ steel containers), and transportation by container barge

of 6,000 tonnes of hazardous PCB-contaminated soil (>50 ppm) to an off-site

thermal treatment facility. Approximately 5,000 m³ of PCB-contaminated

soil (<50 ppm) was disposed of to the on-site landfill and approximately Ex-situ Biopile treatment of 25,000 m³ of hydrocarbon-contaminated soil. The wastewater arising from the remedial operations was also treated on site, principally by an activated carbon absorption system.

The civil engineering and landscaping work saw the construction of access roads,

an on-site 5,500 m³ capacity engineered landfill, the final preparation

and construction of the landfill cover and supply, placement, and compaction

of 15,000 m³ of graded fill material.

As main contractor Biogenie were responsible for preparing the site-specific

Health & Safety Plan, Emergency Response Plan, Personnel Exposure Monitoring

Programme and running the sub-contractor and visitor’s induction seminars.

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