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VertaseFLI Win Again

Posted on Thursday, 23 December 2010 11:29AM by Michael Longman
VertaseFLI were the recipients of another award at the recent Brownfield Briefing Innovation Awards held in London.

The awards consist of a number of categories and strive to recognise best practice and innovation in the remediation consultancy and contracting sector. It has quickly become one of the more recognised and respected awards ceremony in the brownfield sector.

Following our success last year where we won the Best Use of a Single Remediation Technique category, we are proud to announce that this year we have won the Best Reuse of Materials category. This is a new category and VertaseFLI are the first winners.

The award was won for our establishment and management of one of the UK’s first and largest Cluster projects undertaken under the CL:AIRE The Definition of Waste: Development Industry Code of Practice.

In summary, we established a Hub and Cluster arrangement on our remediation project at Prior Deram, Coventry. The Prior Deram site consisted of an old landfill which was being subjected to various works to render the site suitable for residential housing and public park. Part of the works consisted of dynamic compaction. This compaction induced significant settlement in the fill and it was necessary to import appropriate materials to bring the site back to original site levels. A former school site approximately 12 miles away acted as a Donor site and approximately 14,000 m3 of surplus soils were exported from the Donor site, onto the Hub site at Prior Deram. Following comprehensive sorting, treatment as required, and validation, the soils were incorporated into the wider works at the Hub site which also acted as the receiving site.


A comprehensive Materials Management Plan and Site Waste Management Plan was prepared by VertaseFLI and ensured both site won and imported soils were handled and reused in the appropriate manner whilst complying with all applicable legislation, best practice and contract specifications.

All works were undertaken under our Environmental Permit and with kind assistance and support from our client, Coventry City Council, and their environmental advisers, Atkins. We must also thank a consortium of house builders consisting of Bovis, Keepmoat and Westbury who were all joint clients of ours for the Donor site.

There were a number of significant environmental and financial benefits enjoyed by both the Donor site and the Hub / Receiver site.

Approximately 14,000 m3 of surplus soils were imported from the Donor site, some of which were contaminated.

The environmental benefits can be summarised as follows:
(i)              Less lorry miles travelled from the Donor site to a more distant landfill facility
(ii)             Less lorry miles travelled to the Receiver site to import required fill from further away
(iii)           Less consumption of valuable landfill space
(iv)           Possibly avoided the use of primary aggregates at the Receiver
(v)            Treated contaminated soils and reused them within a risk based framework whereby they no longer pose a risk to the environment
(vi)           Alleviated potential flood issues at the Receiver site
(vii)          The strict procedures and controls contained within the MMP for the assessment, and frequency and suite of analysis, providing significantly greater information and confidence on the quality and suitability of soils for reuse at the receiving site.

The financial benefits can be summarised as follows:
(i)              No landfill disposal or landfill tax costs for the soils exported from the Donor site
(ii)             Reduced haulage costs for exporting soils from the Donor site
(iii)            No cost to the client at the Hub / Receiver site for the import of materials from the Donor site nor for the treatment and reuse
(iv)           No requirement and therefore cost to the client at the Hub / Receiver site to import fill to raise site levels as a consequence of dynamic compaction works

The bar chart in provides some quantifiable figures on environmental and financial benefit. The figures are considered conservative and not least because we have not considered the financial saving associated by not purchasing and hauling imported fill from other sources onto the Receiver site.


bar_graph_cluster_benefits1.jpg


Additional benefits include less traffic congestion on outer roads, less visual and noise pollution via a vastly reduced number of lorry kilometres travelled, reduced use of primary aggregates, and reduced use of valuable landfill void space. Of particular note was the better quality assurance provided on the use of imported soils.
                                                 
                                                                                                                                   
                                                                                                                                   
                                                                                                                                   
                                                                                                                                   
                                                                                                                                   
                                                                                                                                   
                                                                                                                                   
                                                                                                                                   
                                                                                                                                   
                                                                                                                                   
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