# Mining: check a haul road

> Draw the road's centreline: grade, running width, cross-fall and the safety berm every metre, with the stretches outside each limit.

Page: https://finitor.cl/learn/desktop-mining-road

Video: https://finitor.cl/learn/desktop-mining-road-en.mp4 — A ramp of the Mormont limestone quarry (Eclépens, Switzerland), airborne LiDAR swissSURFACE3D 2019 and SWISSIMAGE 2020, © swisstopo: 179 m at 7.5 % mean grade, 13.6 m wide.

## The road

1. Set the limits: maximum grade, minimum running width, maximum cross-fall and the berm height.
2. Draw centreline, click along the middle of the road, right-click to finish, then Check road.

## The result

1. Green is within the limits; red grade, orange width, yellow berm, purple cross-fall. The list gives each stretch outside a limit, from where to where.

A berm narrower than the terrain model's cell shows as missing: check it in the field. Part of the Mining add-on.

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