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Hydro Excavation Waste / Non-Destructive Drilling (NDD) muds
Hydro/Vacuum excavation muds and underground excavation material can be difficult to dispose of due to their solid/liquid “semi-state”, their solid contents (containing a range of contaminants as well as useful materials), and liquid viscosity.
Produced as a result of high-pressure water applied for urban excavation purposes, the composition of hydro excavation (“Hydro Vac”) waste varies depending on the ground type being excavated. Generally, hydro excavation waste comprises of fine sand aggregates, organic matter and an elevated level of fine silts and clays.
The disposal of this solid/liquid waste would be unlikely at any clean fill site, and even if it were accepted, it would usually incur a large cost due to its nature and weight. In addition to this, the material contains a lot of useful, reusable materials that can be recycled and made available for resale. As legislation becomes more stringent, the payload per truck will be reduced, and there is an increasing need for urban recycling solutions, instead of rural dumping grounds.
Our tailored solutions can provide bespoke reception centers for receiving this Hydro Vac waste; processing it to recover resources including sand, stone and organics for independent revenue streams. Also, dewatering the final clay content ensures easy and cheap disposal of this material at landfill. The recovered water can then simply be reused to fill out going trucks with industry compliant recycled water. Beyond this, if heavily contaminated, this Hydro Vac waste can be further processed to remove heavy metals and hydrocarbons from the waste water stream. This enables a wider range of more difficult (and therefore more lucrative) waste streams to be processed.
Our solutions provide our customers with greater control of their waste for: