Cjrane2:


This is good that they are making the road surface stronger.

The problem with our engineers is that they have not learnt the principle that drives erosion, so they always focus on road surface instead of reducing the SPEED OF WATER RUNOFF.

Americans and people in advanced countries their engineers already know that flood water must NEVER fall from a height to a bare ground, else it will lead to a massive erosion. In Nigeria, our half-baked engineers build roads and channel the drainage water to the bush knowing that there is a valley in the bush and water runoff will probably drop at great speed on that portion. They abandon that it and only after a few months of rain, the erosion created is enough to threaten the roads.

Our engineers need to know that once the see that water will drop from a height, that areas the water is expected to drop must be reinforced with concrete encasement and effort made to slow the speed of the runoff flood water.

Ogbuefi2020:

Anambra's works commissioner is not an engineer that is why all their projects are of very poor standard. The "mgbidi jericho" at awka which has now reduced everything in Enugu to "mere brigdes" is both architectural and structural misfit that has been undergoing "patch patch" and later barricaded. The worst is that obiano will be going there to snap pictures everyday claiming to be "inspecting"

Cjrane2:


Each time i see them packing sand into an erosion area to fill it up without working on slowing down the speed of runoff flood water or rechanneling the water to a safer route, it breaks my heart the type of engineers we have now. It is like throwing firewood inside fire and hoping to stop the fire. The fire will simply consume the firewood.

Water will always wash out soil unless you slow the speed of the water! Instead of packing sand into gullies, go in there and construct flood speed breakers! The water channel is still open for the flood to pass, but will not continue as erosion.

Instead of packing sand into an erosion channel, they should build speed breakers that will ensure water flows through the gullies but not at speeds that cause erosion.

B2marlo:



IT IS A STATEMENT OF FACT

Cjrane2:


This is good that they are making the road surface stronger.

The problem with our engineers is that they have not learnt the principle that drives erosion, so they always focus on road surface instead of reducing the SPEED OF WATER RUNOFF.

Americans and people in advanced countries their engineers already know that flood water must NEVER fall from a height to a bare ground, else it will lead to a massive erosion. In Nigeria, our half-baked engineers build roads and channel the drainage water to the bush knowing that there is a valley in the bush and water runoff will probably drop at great speed on that portion. They abandon that it and only after a few months of rain, the erosion created is enough to threaten the roads.

Our engineers need to know that once the see that water will drop from a height, that areas the water is expected to drop must be reinforced with concrete encasement and effort made to slow the speed of the runoff flood water.

We must learn how to slow that runoff water in gully erosions in the second picture

Ogbuefi2020:

What is wrong with this id.iot. The only interchange you know is cloverleaf because you are not in the field. Secondly cloverleaf is not in anyway superior. It all depends on how the road intersect. If two federal highways intersect at crossroad you use cloverleaf. If they meet at T-Junction you use Trumpet or semi cloverleaf. But if minor state road crosses a federal express in the busy city centre you use the diamond interchange. The enugu "Tunnel" is a railway overpass. Ignorance plus arrogance is your case

SwedishDocument:
Lecture the bushman please..