Arboricultural Dismantling Techniques (ADT)

A new updated course for persons involved in planning and carrying out rigging operations with limited 'drop zones'.

Course content supported by recent research carried out by TreeConsult and . Soon to be released!


  • Regulations and safety requirements relating to 'rigging' trees.
  • Inspection and maintenance of rigging equipment (LOLER).
  • Visual Tree Assessment (VTA) prior to carrying out rigging operations.
  • Planning of safe systems and strategies for work.
  • Risk Assessment for site and operations.
  • Rigging forces and compatibility/configuration of equipment.
  • Construction of lowering ropes, effects of friction, bend ratios, 'cycles to failure' and safe working loads of rigging equipment. 
  • Aerial rescue from a standing stem.


Please read Course Assessments information.


Five days.



Dates & Location:


Croydon, London
Upon application.


Beddgelert, N Wales
2nd to 6th March 2009.

Upon application.



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