This video shows how the road construction in done in Nepal and India.
First the Sub base and the base layer is prepared as per the road standard. And then the surface is graded properly and broomed properly. Then the layer coat is provided. And the final pitching is done.
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https://www.youtube.com/channel/UCqubdaLzEXK3FpbT-R1knCQ?
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https://www.youtube.com/watch?v=mpDjZWZ9RqE&t=383s
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How to draw Contour, Road profile and Cross section using SWDTM Software
https://www.youtube.com/watch?v=A9_Gt5B2Yho
