Arboriculture Terms

(RPA) in British Standards. area of tree root zone to be protected from construction damage. the size of which is based on the size of the tree or trees to be protected.

in British Standards. area of tree root zone to be protected from construction damage. the size of which is based on the size of the tree or trees to be protected.

area of soil around a tree trunk where roots are located to be protected from construction damage. usually soil compaction damage. Rigid fencing is most effective for restricting access to this area.