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Controlled Branch Lowering using Rigging Techniques

9:11
33:25
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What happens here

An arborist (Mariah) demonstrates the technique of 'rigging down' branches. A climber (not visible in this shot, but heard communicating) makes cuts high in the tree. The cut branches are attached to ropes and controlled by ground crew members using friction wraps around the tree trunk or a designated friction device. This allows large, heavy branches to be lowered slowly and precisely, preventing damage to structures or other trees below.

Goal: Safely lower tree branches in a controlled manner.

Tools and materials

  • Chainsaw Stihl — Cutting branches (used by the arborist in the tree)
  • Climbing Harness — Securing the arborist in the tree
  • Climbing Ropes — Arborist ascent/descent and rigging branches
  • Friction Device/Pulley System — Controlling the descent rate of cut branches
  • Safety Helmets with Comms Peltor — Communication between arborist and ground crew

What they say

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[Music] well let's take a closer look at what they're doing here real quick hey can you walk me through what you're doing here real quick yeah so basically he's rigging down pieces so that's controlled okay and we're not just bombing down on our provides okay um so yeah he's kind of just communicating to us through the comms and he's kind of just telling us how much weight and then that kind of determines uh how much wraps for friction oh so you so it's how much you wrap that is determined by how much weight he's estimate oh okay yep so there's no guesswork to this thing you guys got her down to a science yeah it's really foreign [Music]

Auto-generated from the video audio.