How The Cost Of Drilling A Borehole In Zimbabwe Is Calculated!

Water borehole drilling cost depends on many different factors, processes and components used to drill a borehole.

There are no two boreholes that will be the same, so it is best to work on an average cost of a borehole.

The more boreholes you drill, the better estimates you can give a client. Every borehole is unique because the combination of factors that impact the components and processes used will almost always be different.

This is why borehole drilling cost is not just a number on a paper, but a carefully calculated formula affected by the conditions.

Here are the Most Important Factors that Impact Borehole Drilling Cost:

1. Type of ground.
2. Depth of the borehole.
3. The purpose of the borehole.
4. The machinery, manpower and materials.

The type of ground and geology of the site where you want to drill a borehole is the biggest factor that will impact the borehole price.

It is very important to have an experienced borehole professional doing the geology research of the site correctly, whether it's rock, sand or clay you are dealing with.

Another important factor will be the depth of the borehole because groundwater will flow differently at different locations.

This again can be found by the research done by the geology prospector, so experience is key in order to get the most accurate estimates possible.

What Is The Purpose Of Drilling A Borehole? There is not a one-size-fits-all borehole solution. This will also affect the water quality needed and the processes used to sink a borehole.

All these factors will then depend on which materials, machinery and what manpower is needed to get the borehole drilled.

Materials will include the physical construction for the borehole, machinery is the actual drill and the manpower is how many people you need to drill a specific borehole.

What Processes and Borehole Drilling Methods Should be Used:

The process of drilling a borehole will depend on the factors above and the geology experience of the drilling professionals.

It can be very expensive if the operator is not very experienced and could lead to mistakes, wasteful materials and it can be time-consuming to do geology research on the site.

It’s also important to factor in the purpose of the borehole. Every type of borehole will have different methods, materials and manpower needed.
How The Cost Of Drilling A Borehole In Zimbabwe Is Calculated!
How The Cost Of Drilling A Borehole In Zimbabwe Is Calculated!
For example drilling different type of boreholes, for example, a bottling plant, commercial site, residential site or a borehole for animals.

Another thing that’s important to keep in mind when calculating the price of a borehole is how much water is needed and for how long it is intended to use the borehole.

Some boreholes can be used for only a few years, where others can last for decades to come.

The Basic Components for Calculating Borehole Installation Cost:

1. Siting The Borehole Location: It’s basically locating the best spot to drill a borehole that will have the best performance and water quality at the lowest cost possible.

2. Mobilisation and Demobilisation: Machinery, equipment and materials need to get to the site to be set up. This is the cost of moving the borehole drilling machinery and equipment to and from the site.

3. Borehole Drilling Cost Per Metre: Like explained above, every borehole will have a different depth depending on all the factors. The actual borehole drilling costs are usually calculated at a per metre cost. So the depth and type of ground will play the biggest role in getting a cost per metre.

4. Construction Material Costs: 
After the borehole has been drilled, the casing and completion tasks need to be implemented. This cost can include materials like a solid casing, screen, gravel pack, sanitary seal and a wellhead.

5. Performance and Quality Testing: The next step is well development, pump test and borehole water quality. That will determine the performance of the borehole (how much water is available) and the quality of the water.

6. Platform and Pump: Once everything has been finished, the borehole needs a platform and pump installed for it to be used. It depends on what the use is for the borehole to decide whether it will be a handpump or an electrical pump.
How The Cost Of Drilling A Borehole In Zimbabwe Is Calculated!
How The Cost Of Drilling A Borehole In Zimbabwe Is Calculated!
This is the basic factors, processes and components that need to be included when calculating the costs of drilling borehole.

Now you have an idea what exactly it takes to figure out the cost of a borehole.

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Five Facts About Borehole Drilling That You Need To Take Note Of:
1. Know Your Borehole Casings:The Preferred Borehole Casing In Zimbabwe Is Class 9 and 10 (Pressure Classes.)This is because Class 9 and Class 10 Casings are more collapse resistant. The strength of a Casing is often described as collapse resistance.

2. Borehole Drilling Depth: The exact depth, of where the water is located, cannot be established by the drilling contractor nor the Water Surveyor (Borehole Siter).

3. The Is No 100% Guarantee On Water: It is important to note that it is never a 100% guarantee that any hole will yield water, the amount and water quality can also not be guaranteed by the drilling contractor and water surveyor.

4. Borehole Siting or Water Surveying Is Important: Making use of a hydrologist or traditional water diviner will increase your chances of having a successful borehole that will yield a sufficient amount of water.

5. Know The Risks: The risk of the borehole drilling lies with the property owner. The client will still be liable for the drilling costs irrespective of a borehole yielding water or not.

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Nakiso Borehole Drilling has experience and knowledgeable workforce to work on any type of installation. From solar powered, electrical and manual pump installation, we do it all under one roof. Nakiso Borehole Drilling covers borehole siting, drilling and installation of pumps.