Arboriculture Terms

a rigging device that guides a line. rope. or cable around an object or out of the way. Does not add mechanical advantage. Can be a block. hook. ring. or a hole in a structure (see slack tender; contrast with redirect).

equipment and techniques designed to ensure a climber will not fall from a tree or an aerial lift.

a full-body harness with a dorsal or sternal attachment. equipped with a shock-absorbing lanyard. designed to absorb the shock of a fall. reducing the forces exerted on the body. A fall arrest system is used only in the event of a fall and is not designed for work positioning.