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Borehole Drilling
EW
#1 Posted : Monday, March 14, 2016 4:32:48 PM
Rank: Hello

Joined: 1/7/2016
Posts: 3
Hi wazuans, I have a 1/4 acre of land which i would like to utilize for farming as I save for constructing a house. However most farming requires water for irrigation, feeding animals etc. I was thinking of drilling a borehole for that purpose. Please advice on the cost of borehole drilling either manual (kutafuta msee adig) or otherwise.
delllatitude
#2 Posted : Monday, March 14, 2016 5:20:54 PM
Rank: New-farer

Joined: 8/29/2010
Posts: 11
Mobilisation of drilling unit from Nairobi- average 50K but depends on distance

Erection and dismantling costs- average 25k

Drilling 8 inches diameter from 0m-100m- average 3k per metre

Drilling 8 inches diameter from 101m- 200m- average 3.2k per metre

supply and installation of plain casings and slotted casings- average 3k per metre

Test pumping- 24hours- average 50k

Development work on the borehole, filling of gravel pack, well cap and concrete slab - average 20k
MuchNo
#3 Posted : Monday, March 14, 2016 7:02:09 PM
Rank: Member

Joined: 4/3/2008
Posts: 48
Please do not chimba by mkono. It may end up being a very expensive exercise and the water quality and supply is not guaranteed. Get someone with a proper drilling machine to do it.

First step: you have to get a hyro-geological survey conducted (approx KES 60k total plus you have to get NEMA and Water Resource permits for approx KES 20k - all permits take about a month to obtain);

Next step: drilling of borehole as per hydro-geological survey results - cost is approx KES 6,500 per meter inclusive of water analysis and water use permit (drilling 2 - 3 days max, permits in about a month after that);

Last step: obtaining a submersible pump - KES 300k and up depending on depth of borehole.
Bachuma Gate
#4 Posted : Monday, March 14, 2016 7:14:33 PM
Rank: Member

Joined: 3/26/2012
Posts: 280
Its not worth spending over 1.5m to farm 1/4acre unless you want to supply neighbours.
DOH
Chaka
#5 Posted : Tuesday, March 15, 2016 9:50:12 AM
Rank: Elder

Joined: 2/16/2007
Posts: 2,114
Can the hydrological survey give an indication as to whether the water will be salty or not?
MuchNo
#6 Posted : Tuesday, March 15, 2016 10:17:23 AM
Rank: Member

Joined: 4/3/2008
Posts: 48
Chaka wrote:
Can the hydrological survey give an indication as to whether the water will be salty or not?


No. It will just indicate that there's water, the depth at which it will be obtained, and the best sites on the plot for the drilling.
Chaka
#7 Posted : Tuesday, March 15, 2016 10:23:06 AM
Rank: Elder

Joined: 2/16/2007
Posts: 2,114
MuchNo wrote:

No. It will just indicate that there's water, the depth at which it will be obtained, and the best sites on the plot for the drilling.

Ok.If one was to "hit" salty water,would you know what options(apart from reverse osmosis) to explore to soften it?
MuchNo
#8 Posted : Tuesday, March 15, 2016 10:54:32 AM
Rank: Member

Joined: 4/3/2008
Posts: 48
Chaka wrote:
MuchNo wrote:

No. It will just indicate that there's water, the depth at which it will be obtained, and the best sites on the plot for the drilling.

Ok.If one was to "hit" salty water,would you know what options(apart from reverse osmosis) to explore to soften it?


Sorry, I'm not a water engineer. Your best bet would be to approach someone like the Water Resource Management Authority to find out what to do. The only thing I can advise is that you should opt for the PVC casings - they don't corrode (which would be a major issue if you have mineral rich - or salty - water), are cheaper to install and are generally more hygienic than steel casings.

I only know the basics of the borehole drilling business from a past life spent in the industry. So, beware - my info and prices may be a little old, but I don't think so because I hear there's more competition nowadays so maybe prices have come down a bit.
sakam
#9 Posted : Tuesday, March 15, 2016 1:59:22 PM
Rank: Hello

Joined: 1/28/2016
Posts: 9
@M if you're fully interested contact me, i work for a water company known as Davis & Shirtliff n we other all those services. find me by my mail add. sakam88@gmail.com and i will advise u further.
mtotana
#10 Posted : Tuesday, March 15, 2016 2:12:38 PM
Rank: Member

Joined: 3/14/2009
Posts: 66
@sakam,kindly list the options that you have- on softening salty water.
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