Our wellpoint drilling technique is one that we have developed and perfected over twenty six years.

Unlike most wellpoint contractors, we construct our wellpoints with a sleeved/cased method, with a separate internal suction pipe drawing from the lowest part of the wellpoint. Our wellpoints are generally drilled to a maximum of 15 meters, or to bedrock, whichever comes first. Sometimes the geology may require a shallower depth - if for example there is known saline water deeper down (eg in Marina Da Gama) or fine silt and clay deeper down that may silt up a wellpoint.

Our wellpoints are gravel packed after a 110mm diametre hole has been drilled (usually to a minimum of 10 metres deep) thereby providing a far greater *annulus (*the space between the wellpoint sleeve/casing and the inner edge of the bore) than conventional "single pipe" wellpoints. This method together involves a substantially more labour and materials, but ensures the optimum yield from the wellpoint.

We use a washbore drilling technique that would conventionally use a great deal of water to drill with , however we apply a recirculating mudpit system to minimise the water used.

We do have our own 5000 litre water tanker to provide sustainably sourced non-potable water on site for drilling purposes.

Cautionary Note : We DO NOT use the 220litre/wheeliebin method of drilling with a small diametre drilling rod (25mm?) generally employed by the so-called "bakkie brigade" wellpoint drillers. This method is short sighted, cheap and wasteful and more often than not results in a less than efficient final result. If a wellpoint contractor brings a 220 litre drum onto site or wants to use your wheelie bin or swimming pool as a water reservoir and has drilling rods that are less than 50mm in diametre you should be asking serious questions about their bona fides.


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