WHY COVER SALT?
In 1990 the Environmental Protection Act was enacted to prevent pollution of ‘Controlled Waters’ with the Environment Agency drafting guidance note PPG10 to specifically address the issue of de-icing salt storage.
Despite this and in a situation that is almost unique to the UK several hundred operational and strategic stockpiles are still open to the elements or poorly sheeted. The environmental impact of salt brine to local water courses can be significant, tens of thousands of tonnes are lost each year and the research of the NWSRG, which we are members of, has quantified the overspreading due to wet salt at up to 8%. During recent wet summers losses as high as 15% have been recorded from an open stockpile with salt being left in poor condition.
This research work has led directly to the key recommendation of the revised Well Maintained Highways Guide that consistent low salt moisture content is the first step to achieving lower spread rates and ensuring that salt is not ‘bridging’ in the hopper or blocking the shute of the spreader. If the moisture content of salt is not under control then this must be addressed as a priority.
We believe that a Eurodome® timber salt barn is the most cost effective solution for Highway Authorities to keep their salt in optimum condition for spreading and to prevent salt runoff polluting the environment. Our barns are also used to hold strategic stocks for Authorities who came close to stocking out in the winters of 2009/10 and 2010/11.