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Ramp Gradient Measurement Guide by rbero is a document available to read on EtoBox.

What is Ramp Gradient Measurement Guide about?

This document provides instructions for creating and using a simple ramp gradient finder. The ramp gradient finder is made from a paper copy of the instructions attached to paperboard with a string and coin attached. To use it, the ground connection side is placed on the ramp surface and the string location is observed. If the string is in the blue area, the ramp meets a 1:20 gradient criterion, and if in the green area, it meets a 1:12 criterion. Anything left of the green area indicates a steeper gradient

Author

rbero

Language

EN