Property owners will often seek advice from a Consulting Arborist if they have concerns for the condition of a tree or group of trees within or adjacent to their property. The Arborist Report or Tree Report (as it is often referred to) is often used to support an application for tree removal or tree pruning work when the specified works require approval from the consent authority (Council).


A Preliminary Tree Assessment (or Pre-development Tree Report) is a comprehensive survey or assessment of trees within a designated site or parcel of land. A Preliminary Tree Assessment is most effective during the earliest stages of development planning, prior to the Development Application (DA). The Preliminary Tree Assessment provides base arboricultural data and information to guide the layout of the development.


An Arboricultural Impact Assessment is a detailed and comprehensive report that reflects the potential impacts of a development on trees within and adjacent to a proposed development site. The Arboricultural Impact Assessment report should follow and incorporate the data from the Preliminary Tree Assessment report.


The Project Arborist is responsible for carrying out the inspections, supervision, monitoring and certification of trees during a development project.


A Tree Risk Assessment Report includes detailed information on any trees within the site that pose and increased risk of harm. This information will include the overall health and condition of the trees, as well as any significant/visible defects that may be present. The technical report should include a tree location map prepared using CAD or ArcGIS software showing each of the identified trees, their allocated number and risk rating. The report must also provide management/mitigation options to reduce or eliminate the risk posed by the identified trees.


Tree Mapping is used to collect arboricultural data and information relating to the population of trees within the specific site. The type of information that is collected can be tailored to the needs or requirements of the project. Tree Mapping is often used by councils or property managers to compile an electronic tree database used for tracking and scheduling inspections, maintenance or implementing tree management plans.
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