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What You Need To Know About Installing A Borehole In Zimbabwe

What do you need water for? To irrigate your garden and top up the swimming pool? To provide household water to a small rural community or farm household? Or maybe even to service a multi-hectare irrigation scheme.

Whatever your requirements are, nothing beats a source of cost-effective water right where it is needed. And in most cases, that solution is a borehole. But drilling a borehole requires some research and planning.

Nakiso Borehole Drilling shares some insight about boreholes:

1. Site selection, which is used to determine whether and where to locate a groundwater production borehole.

2. Borehole construction. This includes the mobilisation of equipment to the site and back to the base, drilling per metre, casing entailing supply and installation of solid casing and screen, gravel pack, sanitary seal and well-head construction, and well development entailing cleaning of the borehole after construction.

3. Pumping test cost for post-construction assessment of borehole and aquifer performance.

4. Hydrochemical analysis cost of water quality testing for the intended use.

5. Installation cost for a pump and/or potable water storage tank and reticulation system.

6. Maintenance costs for annual checks to the pumping equipment, pipework and repairs should there be any failures.

7. Electricity costs for running the pump each time it is switched on.
What You Need To Know About Installing A Borehole In Zimbabwe

Where to drill the borehole?
Most residential stands are ringed by palisade fencing or brick walls. Just getting a 25-tonne drill rig onto the property can be difficult, to say the least. In quite a few cases, there are two choices, the start of the driveway or the middle of the driveway.

So keep in mind that you may need to do some deconstruction work to allow the drill rig to access your property, and then once the borehole has been drilled, some building work may be required to restore the area. This will not be included in the drilling costs.

While this is a hassle, the reality is that borehole drilling will involve some mess, and so it is better to plan for it than to get a nasty surprise. Discuss this with Nakiso Borehole Drilling and make sure that they can offer a solution that is both practical for your property while still giving the borehole the best chance of success.

What if the driller doesn’t find water?
A borehole installation can cost anything from $2000USD to $5000USD but can cost more depending on how deep you need to drill, the amount of casing used, type of rock that needs to be drilled, ground conditions, equipment and other purpose-for-use related costs.

Your agreement with Nakiso Borehole Drilling will be to drill a hole in the ground, with the possibility of tapping into a sustainable source of water. If good siting procedures have been followed and in the unlikely event that the hole was found to be ‘dry’, you will still be required to pay Nakiso Borehole Drilling for the drilling.

However, you will not be required to pay for any materials and equipment that would be required for a complete installation, namely the pump, piping and electrics.

These items are a function of the amount of water available or required, and can only be selected once a test has been done on the yield potential of the hole.

Essentially, no water means no pump and related equipment is necessary.

What kind of borehole pump will I need?
Pumps fit into three categories: too big, too small or just the right size for the job. Good selection and years of trouble-free operation start with reliable borehole data gathered from the yield test. Be careful of “this month’s special, a 0.75kW pump for only…”. The chances are good it is totally unsuited for your application.

Get Nakiso Borehole Drilling to explain the capabilities of the pump and the controls and protection devices they have installed. An informed end-user will be able to recognise the first signs of potential problems and call in qualified help before things get too expensive.

The electrical side of the installation must be done by a qualified electrician who is trained or well-experienced with groundwater installations. Your borehole is an integral part of the electrical system of the property and must form part of the Certificate of Compliance (COC).

How long will a borehole last?
If all the boxes have been ticked, a 20-year life for the major components can be expected.

Is a borehole a good investment?
A borehole installation can cost anything from $2000USD to $5000USD but can cost more depending on how deep you need to drill, the amount of casing used, type of rock that needs to be drilled, ground conditions, equipment and other purpose-for-use related costs.

The trouble is there is no guarantee you will find water, so you could risk paying many thousands for drilling without a successful outcome.

However, having a borehole will add significant value to your property and over a period of time, it will represent a good investment. This assumes that the installation has been done by professionals and with due care.

For more information, visit the Nakiso Borehole Drilling.

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Think Water aspires to become a leading solutions provider for the needs of accessing, processing and delivering potable,
clean water to improve lives, and products, services and solutions are available within Zimbabwe and South Africa.

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