Arboriculture is an activity with its own requirements, and must be done without damage to the tree. The use of an elevating access platform is often difficult to arrange and does not provide access to all parts of the tree.
Access to the top of the tree is mainly done from below by climbing the tree. Trimming requres a large amount of freedom to move around in thetree and the worker must often get in awkward positions.
The work positioning system is always backed-up. Here the Petzl Grillon, compact adjustable lanyards, are being used.
Diagrams courtesy of Petzl
Petzl Grillon 2M
Petzl Treesbee
Petzl Sequoia SRT Harness (optional)
Petzl Secur
Petzl Croll
Petzl Delta Link
Petzl Am'd Triact
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