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of /home/abouaayt/public_html/aboutcivil/answers/qa-plugin/user-management/layer.php can any body tell me.... .How to calculate R.L of formation by using downward or upward gradient and R. L of ground for road work estimation - Civil Engineering Technical Questions Answers - Ask a Civil Engineer
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Earthwork estimation on roads having a problem related to r.l of formation and here by using this r.l of formation depth or height was calculated I didn't understand what is calcution is behind on that..... So any one please help me

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