The A-Frame Level is a simple, yet accurate tool used for constructing contours on a hillside or slope. It is useful in the basic construction of hillside farming systems, such as the SALT systems, as well as for establishing level contours and drainage ditches. Level contours on a slope reduce erosion, increase water infiltration, protect slopes and facilitate reclamation of degraded hillsides. The A-Frame Level can also be used to determine the percent slope of a hillside. This document provides the basic instructions for constructing and using an A-Frame Level.

What’s Inside:

  • Materials for Construction
  • Assembly of A-Frame
  • Calibration of A-Frame
  • Marking Contour Lines
  • Measuring a Slope
  • Useful Resources 

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TN #55 A-Frame Level

Larry Yarger and Beth Doerr

The A-Frame Level is a simple, yet accurate tool used for constructing contours on a hillside or slope.  It is useful in the basic construction of hillside farming systems, such as the SALT systems, as well as for establishing level contours and drainage ditches.  Level contours on a slope reduce erosion, increase water infiltration, protect slopes and facilitate reclamation of degraded hillsides.  The A-Frame Level can also be used to determine the percent slope of a hillside.  This document provides the basic instructions for constructing and using an A-Frame Level.

What’s Inside:

  • Materials Needed for Construction
  • Assembling the A-Frame
  • Calibrating the A-Frame Level
  • Marking Contour Lines on a Slope
  • Measuring a Slope