Sometimes civilians have much difficulty making a return feed work, clear from the viewpoint of road, but actual calculation of volume, good
first thing we have to do is get the topography of the land before and after, because with these two facts create the surfaces to be compared. Then
Tenemo to draw cross sections, a Vaez sections we add a criterion for calculating assessments, and ready when we plot the sections refer to sections with materials table.
Well here is the video for a better understanding of the process.
http://www.4shared.com/account/dir/13692619/683eb622/sharing.html?rnd=98
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