reason

why every landfill liner leaks

Why Every Landfill Liner Leaks But Not All Leakage Matters

Landfill liner leaks are endemic. A small amount escapes from composite landfill lining systems which include both 1 metre thick a clay layer, and a clay liner loses water/ leachate according to its permeability and the head of pressure of leachate over it. That is despite applying stringent design and operational requirements for landfills, landfills continue […]

Soil washing for contaminated land

Treatment of Contaminated Land by Soil Washing

Soil washing has become an important method for cleaning up contaminated land, and it was first propelled into the main stream as a process for this purpose in the summer of 2004. The reason for this was that the summer of 2004 saw the implementation of EU Landfill Directive requirements which slashed the available number […]

Building on landfill not a good idea

Building on Landfill Sites and Recommendations

We would like to emphasise that, if at all possible, building on landfill sites containing putrescible material, and which therefore are likely to be generating landfill gas should be avoided. Some old landfills will be free from landfill gas, but do take great care to obtain expert advice before you assume that any particular landfill is […]

Top 20 UK Water Contractors in 2012-13

Top 20 UK Water Contractors in 2012-13

The following is a list of the top 20 UK Water Contractors for 2013, taken from the 2012 NCE Contractors File, which was produced from a questionnaire which was completed by UK Civil Engineering Contractors in 2012. The list is in descending order with the highest turnover companies at the top. 1 Balfour Beatty 2 Costain […]

how many landfills are there

How Many Landfills are There?

The question “How Many Landfills are There?” is one which has often been addressed to “The Landfill Site”.  Please tell us if you know better, but as far as we know, nobody is keeping a record of how many landfills exist currently which are open and operating in the world, let alone keeping a list […]