ASWP03 Ascending Trees
9.0 Tree Descent Technique
Once all work is completed aloft, the arborist will ensure that all tools and
severed limbs are removed from the tree. The arborist then descends from the
tree; the following action applies for continuing descent.
Step Action
Position arborist life line for descent
Position arborist life line vertical to the descent
route
Ensure friction hitch is dressed and
set
Control descent speed by
pulling the friction hitch down
the arborist life line
Descend in a slow and controlled fashion
10.0 Emergency Response Plan
The following should be used as a guideline for developing your in-house Emergency
Response Plan for a worker aloft. It is not intended to be used as a step by step procedure
as each emergency situation will differ depending on the circumstances
Step Action
Assess the Emergency Scene Observations
Electrical Conductors/Contact
Note: If there's electrical contact DO NOT proceed
before calling the proper authorities.
Struck by limbs or tree sections, struck by
lightning or victim pinned by tree structure etc.
Medical conditions (bug/animal bites, heat
exhaustion, diabetes, etc.
Identify and assess hazards such as:
Rigging systems in tension
Tangled ropes
Dangling limbs
Ground hazards
Suspended chain saws
Brush piles
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