# Mining: read the benches of a pit

> Crests and toes of the whole pit from the ground surface, and each bench along a section: height, face angle, berm width and the inter-ramp angle.

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

Video: https://finitor.cl/learn/desktop-mining-benches-en.mp4 — The Mormont limestone quarry (Eclépens, Switzerland), airborne LiDAR of the national survey swissSURFACE3D 2019, coloured with the SWISSIMAGE 2020 orthophoto. Data © swisstopo.

## The limits

1. Build the ground surface first (bare earth only). In the Mining tab, say what counts as a face (steeper than 45° here), a berm (flatter than 20°) and a bench (at least 3 m high).

## The section

1. Draw section, then click across the benches from one side of the pit to the other, and right-click to finish.

## The benches

1. Read benches labels the whole surface (red crests, blue toes) and measures every bench along the section, with the mean face angle and the inter-ramp angle.

The Mining add-on is sold apart from the Finitor Desktop licence and installs itself at sign-in, with no reinstall. Measuring planes with the compass is free.

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