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Sinking a borehole
Rank: Elder Joined: 1/8/2018 Posts: 2,211 Location: DC (Dustbowl County)
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Mukiri wrote:.
There's the kienyeji way and the procedural way. Procedural is where you do an Environmental Impact assessment ya NEEMA, Hydrogeological survey, get necessary approvals, then dig. Depending on the area, there are places, like my place where it pure rock from surface, so those vehicle machines are preferred. At mine, I got guys with a modified maize milling machine, with a drill bit ya 'diamond' hapo mbele. I negotiated to 1k per foot, casing was around 3-4k, borehole metal housing 2k, fundi to mason it 1k+1k material. Electrician fitting pump 3k, circuit board+ circuit breakers+switch+cables+pump 30k - 40k.
Of importance is the testing phase. Let the pump run a few hours (overnight if possible) as you check the water being pumped out. Quality and quantity, before releasing the contractors, else you might cry when your bore-hole runs dry on you and damages your electricals.
Mukiri kumbe you can be useful at times  Well done and thank you for this info!
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Rank: Member Joined: 12/10/2015 Posts: 103
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Anyone planning to drill please go the professional way.Six years ago i was relieved of 400k by one Emmanuel Okwach-0722890813.He used/owned/conned people through a company called gran water/gran maintenance.Used to run 'shallow well drilling'adverts in the DN classifieds that have since stopped running.Guess he has devised other ways.
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Rank: Member Joined: 12/10/2015 Posts: 103
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Rank: Elder Joined: 1/8/2018 Posts: 2,211 Location: DC (Dustbowl County)
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Kili wrote:Anyone planning to drill please go the professional way.Six years ago i was relieved of 400k by one Emmanuel Okwach-0722890813.He used/owned/conned people through a company called gran water/gran maintenance.Used to run 'shallow well drilling'adverts in the DN classifieds that have since stopped running.Guess he has devised other ways. How exactly did he con you? Details please. Seems he is still solidly in business na number ni ile ile tu. He has even stolen the Green Bay Packers logo and used it to brand his business quite well. http://www.gran.co.ke/contact.html
Hii dunia yetu kweli kuna mambo.
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Rank: Elder Joined: 7/11/2012 Posts: 5,222
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MugundaMan wrote:Mukiri wrote:.
There's the kienyeji way and the procedural way. Procedural is where you do an Environmental Impact assessment ya NEEMA, Hydrogeological survey, get necessary approvals, then dig. Depending on the area, there are places, like my place where it pure rock from surface, so those vehicle machines are preferred. At mine, I got guys with a modified maize milling machine, with a drill bit ya 'diamond' hapo mbele. I negotiated to 1k per foot, casing was around 3-4k, borehole metal housing 2k, fundi to mason it 1k+1k material. Electrician fitting pump 3k, circuit board+ circuit breakers+switch+cables+pump 30k - 40k.
Of importance is the testing phase. Let the pump run a few hours (overnight if possible) as you check the water being pumped out. Quality and quantity, before releasing the contractors, else you might cry when your bore-hole runs dry on you and damages your electricals.
Mukiri kumbe you can be useful at times Well done and thank you for this info! I see you now want to suck mine  ... and as far as use goes, have you been of any use? apart from the sucking ofcourse
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Rank: Member Joined: 2/27/2014 Posts: 454 Location: Republic of Enchantment.
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Sufficiently Philanga....thropic wrote:Rongla wrote:So which companies or Hustlers do the drilling. Can someone please recommend. Most of the guys who purport to drill boreholes are brokers since they don't have the drilling machines. Please avoid such. You can try Mr.Gachanja, 0720999333, the owner of Balena Drilling. Very professional guy with a Great team. Did my high yield borehole all the way to 70m (230 feet). Never runs out of water throughout the day at 30,000 litres per hour pumping. Charges 6k per metre. What was the total cost ,inclusive of WARMA ,survey ,casing , pump ,cabling etc . Do you need 3 phase power to run the pump ??? Divers - can you laugh in scuba gear, or will you drown? I was wondering. - James May.
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Rank: Elder Joined: 2/16/2007 Posts: 2,114
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Sufficiently Philanga....thropic wrote:Rongla wrote:So which companies or Hustlers do the drilling. Can someone please recommend. Most of the guys who purport to drill boreholes are brokers since they don't have the drilling machines. Please avoid such. You can try Mr.Gachanja, 0720999333, the owner of Balena Drilling. Very professional guy with a Great team. Did my high yield borehole all the way to 70m (230 feet). Never runs out of water throughout the day at 30,000 litres per hour pumping. Charges 6k per metre. What about throughout the year?
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Rank: Member Joined: 2/27/2014 Posts: 454 Location: Republic of Enchantment.
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Chaka wrote:Sufficiently Philanga....thropic wrote:Rongla wrote:So which companies or Hustlers do the drilling. Can someone please recommend. Most of the guys who purport to drill boreholes are brokers since they don't have the drilling machines. Please avoid such. You can try Mr.Gachanja, 0720999333, the owner of Balena Drilling. Very professional guy with a Great team. Did my high yield borehole all the way to 70m (230 feet). Never runs out of water throughout the day at 30,000 litres per hour pumping. Charges 6k per metre. What about throughout the year? That's the big question .I have a hand dug well at 150ft but the water is not reliable.On very dry seasons one has to wait a couple of days before pumping water .At first I thought I would get a borehole drilling team that would take "advantage" of the 150ft which is already hand dug and just place the casing and drill the remaining depth to get to a reliable water table but the person I have talked to is against that idea. Divers - can you laugh in scuba gear, or will you drown? I was wondering. - James May.
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Rank: Elder Joined: 9/23/2010 Posts: 2,220 Location: Sundowner,Amboseli
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geofreygachie wrote:Sufficiently Philanga....thropic wrote:Rongla wrote:So which companies or Hustlers do the drilling. Can someone please recommend. Most of the guys who purport to drill boreholes are brokers since they don't have the drilling machines. Please avoid such. You can try Mr.Gachanja, 0720999333, the owner of Balena Drilling. Very professional guy with a Great team. Did my high yield borehole all the way to 70m (230 feet). Never runs out of water throughout the day at 30,000 litres per hour pumping. Charges 6k per metre. What was the total cost ,inclusive of WARMA ,survey ,casing , pump ,cabling etc . Do you need 3 phase power to run the pump ??? 6k per metre is inclusive of casing. Pump testing you need to add another 30k on top. Hydrogeological Survey report(inclusive of WRMA) 130k-Mwai-0722499993( there are cheaper guys out there). A high yield borehole like the one i use will need a 3phase pump from 7.5hp(5.5kw). I use a 10hp(7.5kw) submersible water pump, which i imported from china with the help of our wazua clearing agent,George-0729986846 at KES.240,000 which included an 11kw solar inverter . Cabling cost will depend on the depth of your borehole, a 2.5mm wire goes for KES.330 per metre along River road. @SufficientlyP
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Rank: Elder Joined: 9/23/2010 Posts: 2,220 Location: Sundowner,Amboseli
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Chaka wrote:Sufficiently Philanga....thropic wrote:Rongla wrote:So which companies or Hustlers do the drilling. Can someone please recommend. Most of the guys who purport to drill boreholes are brokers since they don't have the drilling machines. Please avoid such. You can try Mr.Gachanja, 0720999333, the owner of Balena Drilling. Very professional guy with a Great team. Did my high yield borehole all the way to 70m (230 feet). Never runs out of water throughout the day at 30,000 litres per hour pumping. Charges 6k per metre. What about throughout the year? Yes, but probably because my farm is in an area with a low population density. I also tapped an underground stream flowing from Mt.kilimanjaro. That could also be another reason. @SufficientlyP
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Rank: Member Joined: 2/27/2014 Posts: 454 Location: Republic of Enchantment.
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Sufficiently Philanga....thropic wrote:geofreygachie wrote:Sufficiently Philanga....thropic wrote:Rongla wrote:So which companies or Hustlers do the drilling. Can someone please recommend. Most of the guys who purport to drill boreholes are brokers since they don't have the drilling machines. Please avoid such. You can try Mr.Gachanja, 0720999333, the owner of Balena Drilling. Very professional guy with a Great team. Did my high yield borehole all the way to 70m (230 feet). Never runs out of water throughout the day at 30,000 litres per hour pumping. Charges 6k per metre. What was the total cost ,inclusive of WARMA ,survey ,casing , pump ,cabling etc . Do you need 3 phase power to run the pump ??? 6k per metre is inclusive of casing. Pump testing you need to add another 30k on top. Hydrogeological Survey report(inclusive of WRMA) 130k-Mwai-0722499993( there are cheaper guys out there). A high yield borehole like the one i use will need a 3phase pump from 7.5hp(5.5kw). I use a 10hp(7.5kw) submersible water pump, which i imported from china with the help of our wazua clearing agent,George-0729986846 at KES.240,000 which included an 11kw solar inverter . Cabling cost will depend on the depth of your borehole, a 2.5mm wire goes for KES.330 per metre along River road. Wow ,after a long weekend of deep thoughts I think I will prepare a 6m X 6m pond with depth of 1 m and that way I will have a water pan of 36000 litres when it rains and it's to the brim.If this succeeds I will do a second one and I think this will help me achieve my goals without going for loans.Excavating a pond will be approximately 20k using manual labour and the geomembrane is 20k . Now that the water level is high I might as well prepare the pond and whatever amount I will harvest from rain I will top up the rest with the pump before the water level goes down since I think I am already late to get a full pan with the rains alone.Saidieni na mawaidha .I will highly appreciate .  Divers - can you laugh in scuba gear, or will you drown? I was wondering. - James May.
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Rank: Member Joined: 9/14/2011 Posts: 834 Location: nairobi
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anyone who can comment on the costs of using a diesel engine in place where KPLC power is not available
I want to irrigate about 10 acres
would using a diesel engine make economic sense ?
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Rank: Elder Joined: 7/11/2012 Posts: 5,222
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Sufficiently Philanga....thropic wrote:Chaka wrote:Sufficiently Philanga....thropic wrote:Rongla wrote:So which companies or Hustlers do the drilling. Can someone please recommend. Most of the guys who purport to drill boreholes are brokers since they don't have the drilling machines. Please avoid such. You can try Mr.Gachanja, 0720999333, the owner of Balena Drilling. Very professional guy with a Great team. Did my high yield borehole all the way to 70m (230 feet). Never runs out of water throughout the day at 30,000 litres per hour pumping. Charges 6k per metre. What about throughout the year? Yes, but probably because my farm is in an area with a low population density. I also tapped an underground stream flowing from Mt.kilimanjaro. That could also be another reason. Im curious where this is? I've heard of the underground lake in Turkana, flowing underground stream?
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Rank: Elder Joined: 2/16/2007 Posts: 2,114
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Sufficiently Philanga....thropic wrote:
What about throughout the year?
Yes, but probably because my farm is in an area with a low population density.
I also tapped an underground stream flowing from Mt.kilimanjaro. That could also be another reason.
The underground stream is a supplementary source or its where the borehole gets water?
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