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Wastewater Treatment

The wastewater treatment is performed by three subsequent treatment stages. The effluent from domestic, agricultural or industrial sources passes a preliminary treatment step where solids are separated out and chemical treatment is applied if necessary. The secondary treatment consists of Biological Disks and Lamella Separators are used for final clarification step. Optional advanced treatment can be applied.

Understanding Hazard Classes

According to NRCS VC 9092, The Compulsory Specification for Preservative Treated Timber, any preservative treated timber product claiming to be preservative treated must be branded as specified in the relevant SANS product standards. An important part of the brand is the Hazard Class, which indicates the service conditions to which the product is exposed and the level of treatment or level of protection that must be applied to the wood. The Hazard Classes have been defined as follows…


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