Quality and Health and Safety Assured
Permeable paving is a relatively recent introduction, but one that is set to dominate the trade in the coming years. It is one of the key technologies behind SUDS - Sustainable Urban Drainage Systems - as it enables control of storm water at its source, rather than at some treatment works several kilometres downstream. As more and more of the country is developed and an ever greater area is covered by roads, pavements, roofs and other buildings, two problems have come to prominence; the increased load we place on our already struggling sewer systems and the risks posed to our delicate treatment systems and watercourses from pollutants originating on the traditionally-drained impermeable surfaces. As the percentage of open ground is reduced, rainfall that would have been naturally absorbed and retained by the ground is diverted, resulting in large volumes of run-off water that have to be channelled via sewers that may be over 100 years old, or along watercourses that cannot adequately handle such large flows. Therefore, we see more sewer failures and increased erosion of our natural watercourses, requiring costly repair, maintenance or re-construction, all of which comes from our own pockets via our water bills.