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Explain Cross Section Method of Contouring?

Cross section method is most suitable for preparing contour maps for road works, rail works, canals etc.
Typically, this type of land has a very long strip but narrow width.

The steps involved are as follows:
i) The centre line of the strip of land is first marked

ii) Lines perpendicular to the longitudinal strip are marked dividing the strip into equal sections

iii) The perpendicular lines are divided into equally spaced divisions, thus forming rectangular grids.

iv) Levels are taken at the intersection of the grid lines to obtain the cross-section profile of the strip of land.

v) Contour map is plotted in the office by interpolating points of equal elevation based on the levels taken at site.


We at are thankful to Mr Ramasesh Iyer for submitting this useful information to us.

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Kanwarjot Singh

Kanwarjot Singh is the founder of Civil Engineering Portal, a leading civil engineering website which has been awarded as the best online publication by CIDC. He did his BE civil from Thapar University, Patiala and has been working on this website with his team of Civil Engineers.

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4 comments on "Explain Cross Section Method of Contouring?"

dinesh says:

Indirect method of contouring


liked it and would like to be part of you so as to access information easily

Musallam says:

I would like to be familiar with everything related to civil engineering

Steve says:

Thank you for the information, this helped a lot while working on CivilGEO’s GeoHECRAS software

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