skip navigational links Occupational Safety & Health Administration DOL.gov OSHA.gov DOL.gov
www.OSHA.gov
Safety and Health Topics > Multimedia > Logging Slide Presentation > Slide 59

                       Logging Slide Presentation
 
59 of 82 
Back  Back 
Next  Next 
Index  Index 
The Bottom or Undercut
The undercut is the second of two cuts that result in a V-shaped notch. The notch is made on the side of the tree facing the direction that you want it to fall.
The Correct Cut

1. Starting Point

Very Important -- begin at the level that will create at least a 70-degree notch opening.

2. Angle of Attack
Important -- cut upward at a 20-degree angle.

3. Ending Point
Very Important -- stop when the cut reaches the end point of the face cut.
The Bottom or Undercut The Bottom or Undercut

 
Back to Top Back to Top www.osha.gov www.dol.gov

Contact Us | Freedom of Information Act | Customer Survey
Privacy and Security Statement | Disclaimers
Occupational Safety & Health Administration
200 Constitution Avenue, NW
Washington, DC 20210