Erosion occurred very frequently along Malaysia highway due to high rainfall at this country. Thus, qualify and profesional people needed for this kinds of project.
Before Engineer carry out his work. A proper survey need to be carried out. Cross section for this kind of work is vital for a engineer to re-design the drainage.
Before a land surveyor start the work. Please ensure that there is control point around this section. The control point is the coordinate (x,y) and TBM height (z). If the site do not have these main information, so as a land surveyor need to setup this particular control for the client. The coordinate either in cassini solder or RSO projection. Discussion is important before start this kind of work.
Interval of Cross section also important for a engineer for his work.
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