MINE PLANNING BASICS FRIDAY - INTER-RAMP DESIGN ANGLE TOOL!!
I found this handy tool from Edumine that you can use to determine the inter-ramp angle for a specified bench geometry and the approximate change (%) in excavation volume due to a change in inter-ramp angle.
Kindly click on the link below to use the tool:
"http://www.edumine.com/xtoolkit/xmlicon/bench_geometry.htm"
![](https://static.wixstatic.com/media/a840a4_3fb1f8003542488d90ea5182f472a57e~mv2.gif)