The washout was required to address the concerns of the Scottish Environment Protection Agency (SEPA) regarding the potential harm associated with the release of highly alkaline (high pH) waters into the environment during concreting and grouting.
The concrete washout was required to capture and treat wash water generated from the washing of truck mixer chutes on concrete delivering lorries.
The concrete washout unit has been specifically designed to capture and treat wash water. The unit’s two stage process initially separates and dewaters the waste concrete solids and then its on board automatic carbon dioxide pH adjustment system neutralises the high pH wash water down to (circa pH 6 to 9) limits set by SEPA.
The unit can handle up to 30 washouts spread over a working day and can be operated from a 110 volt electricity supply or more commonly, via its own 12 volt battery.
Monitor Report. Robertson. Aberdeen. November 2018.
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