Construction Of A Small 94m Length Dam in Kaduna state - Properties

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Construction Of A Small 94m Length Dam in Kaduna state - Properties - Nairaland

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Construction Of A Small 94m Length Dam in Kaduna state by DORS(m): 10:59pm On Sep 28, 2018

hi everyone am new here based on contributions, I hope to be welcomed. Am going to start off with a dam project, and I would be expecting my fellow engineers contribution and suggestions thanks.

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Re: Construction Of A Small 94m Length Dam in Kaduna state by sholatech(m): 11:57pm On Sep 28, 2018

Following closely..

Re: Construction Of A Small 94m Length Dam in Kaduna state by DORS(m): 1:06am On Sep 29, 2018

sholatech:
Following closely..

let begin with the details
the dam is a small dam by classification, 4m height
concrete dam with earth ramp.
the concrete dam is 94m long with a 15m spillway, the foundation is 2.5m deep however almost the full length of the dam is sitting on a foundation of rock. the ramp is 150m long

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Re: Construction Of A Small 94m Length Dam in Kaduna state by DORS(m): 2:01am On Sep 29, 2018

having trouble uploading pictures please

Re: Construction Of A Small 94m Length Dam in Kaduna state by DORS(m): 9:08pm On Sep 30, 2018

DORS:
having trouble uploading pictures please

here

Re: Construction Of A Small 94m Length Dam in Kaduna state by DORS(m): 9:11pm On Sep 30, 2018

DORS:
here

1 Like

Re: Construction Of A Small 94m Length Dam in Kaduna state by DORS(m): 9:15pm On Sep 30, 2018

[quote author=DORS post=71671147][/quote] sorry for the delay, I had to improvise to upload

Re: Construction Of A Small 94m Length Dam in Kaduna state by DORS(m): 9:31pm On Sep 30, 2018

[quote author=DORS post=71671147][/quote]
from the stage of excavation was a great challenge.
guess what, it was the presence of massive igneous rock in the area of the proposed construction, averagely 1to 1.5m below the normal GL. hence our sure option was to blast the rocks, the really active work going on at this stage of the project, was surveying. surveying in the sense that we are way past preliminary survey work, the survey work to keep the project on forward move was marking points on rocks at known distance , where holes would be drilled through the rock using compressed air machine drillers for the dynamite to be buried, sure it means a separate expense for the project and awarding them to professionals, how much more was spent

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Re: Construction Of A Small 94m Length Dam in Kaduna state by DORS(m): 9:36pm On Sep 30, 2018

DORS:

from the stage of excavation was a great challenge.
guess what, it was the presence of massive igneous rock in the area of the proposed construction, averagely 1to 1.5m below the normal GL. hence our sure option was to blast the rocks, the really active work going on at this stage of the project, was surveying. surveying in the sense that we are way past preliminary survey work, the survey work to keep the project on forward move was marking points on rocks at known distance , where holes would be drilled through the rock using compressed air machine drillers for the dynamite to be buried, sure it means a separate expense for the project and awarding them to professionals, how much more was spent

The first blast did not go through so a second was done and the result was manageable

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Re: Construction Of A Small 94m Length Dam in Kaduna state by DORS(m): 9:45pm On Sep 30, 2018

[quote author=DORS post=71671147][/quote]
To construct a dam a diversion of the water inflow has to be done. However the presence of igneous rock very close to the ground level was another gross challenge because creating a canal that can adequately channel water away for the time being was impossible, hence the two pipes in the seen in pics above did the job

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Re: Construction Of A Small 94m Length Dam in Kaduna state by DORS(m): 3:30pm On Oct 01, 2018

DORS:

To construct a dam a diversion of the water inflow has to be done. However the presence of igneous rock very close to the ground level was another gross challenge because creating a canal that can adequately channel water away for the time being was impossible, hence the two pipes in the seen in pics above did the job

hope am not alone on this one.
the summary of the whole is that we got the space for our foundation after month

1 Like

Re: Construction Of A Small 94m Length Dam in Kaduna state by DORS(m): 3:40pm On Oct 01, 2018

DORS:

To construct a dam a diversion of the water inflow has to be done. However the presence of igneous rock very close to the ground level was another gross challenge because creating a canal that can adequately channel water away for the time being was impossible, hence the two pipes in the seen in pics above did the job

hope am not alone on this one.
the summary of the whole is that we got the space for our foundation after months, this was our a major delay.
the intake volme is not as small as you see from those small pipes, its just that we have controlled the volume at different points from the water way.
from the photo also its clear seeing steel reinforcements buried in two partly below the rock surface, that's the anchor of the dam and its buried three metre below the surface, y20dia

1 Like

Re: Construction Of A Small 94m Length Dam in Kaduna state by DORS(m): 9:57am On Oct 02, 2018

hi everyone, I would love to hear your contributions, questions and comments. they are highly welcomed

Re: Construction Of A Small 94m Length Dam in Kaduna state by DORS(m): 10:07am On Oct 02, 2018

DORS:
hi everyone, I would love to hear your contributions, questions and comments. they are highly welcomed

Re: Construction Of A Small 94m Length Dam in Kaduna state by DORS(m): 10:15am On Oct 02, 2018

[quote author=DORS post=71712297][/quote]
here we go into the stage of putting in the reinforcement, as most of us might be aware, blasting would only do its job but the shape above was recreated by arranging large boulders from.the blast to fill up excess space in the foundation, no Engr would want to waste concrete there because the space is massive, however using boulders and biding them with concrete is all we did. its economical and stronger for the dam foundation

Re: Construction Of A Small 94m Length Dam in Kaduna state by DORS(m): 10:24am On Oct 02, 2018

DORS:

here we go into the stage of putting in the reinforcement, as most of us might be aware, blasting would only do its job but the shape above was recreated by arranging large boulders from.the blast to fill up excess space in the foundation, no Engr would want to waste concrete there because the space is massive, however using boulders and biding them with concrete is all we did. its economical and stronger for the dam foundation

the section of the dam

Re: Construction Of A Small 94m Length Dam in Kaduna state by darc: 10:38am On Oct 02, 2018

nice work, post more pictures

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Re: Construction Of A Small 94m Length Dam in Kaduna state by DORS(m): 4:49pm On Oct 02, 2018

darc:
nice work, post more pictures

there's an expansion joint at every 15m of the dam 1inch, and we used polystyrene for the joint as see in the pics from work has been placed at a visible distance, the first 15m

Re: Construction Of A Small 94m Length Dam in Kaduna state by DORS(m): 4:58pm On Oct 02, 2018

DORS:

there's an expansion joint at every 15m of the dam 1inch, and we used polystyrene for the joint as see in the pics from work has been placed at a visible distance, the first 15m

Re: Construction Of A Small 94m Length Dam in Kaduna state by DORS(m): 5:02pm On Oct 02, 2018

[quote author=DORS post=71724257][/quote]

Re: Construction Of A Small 94m Length Dam in Kaduna state by bestmutiu2019(m): 1:07pm On Apr 26, 2020

please I need your help about the view ads pls a brother

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