Judging the validity of the TIP pull test by Jim Kasper May 2023
Climbing arborists use various techniques to assess tree stability and ensure safety. A pull test is used to determine the structural integrity of the tree at the tie-in-point (TIP). By applying a concentrated load to a specific point on a tree, climbers can determine its structural integrity. ANSI standards even prescribe pre-testing TIPs before ascent.
Is it useful? Does the TIP pull test actually make sense?
Industry experts including John Ball, Ph.D., Craig Bachman, CTSP, TRAQ, Jeff Inman Jr., CTSP and others weigh in. The range of responses might surprise you.
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