The discharge from a road sweeper is classified as waste unless it is treated. The A6MARR team has installed a Road Sweeper Washout Facility to treat the discharge on site from the road sweepers.
Water from the sweepers is discharged into the filter pit, lined with either concrete or plastic to prevent ground contamination.
The water is then held up by baffles to allow sufficient time for the suspended solids to settle out.
From there, the water passes through a SFT Hydrocarbon Removal Filter via a duct and into the outfall pit.
Water in the outfall pit is now hydrocarbon free and is safe to discharge to ground or to be re-used for watering down on site.
Entry submitted by Morgan Sindall
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