K - Preliminary Arborist Report (29.08.2019)

04             THE DESIGN AND REPORTING STAGES


The intention of the Preliminary Arboricultural Report is to assist those concerned with
layout design, by providing a balanced appraisal and considered advice on the value of
established existing subject tree(s).             The report does not set out arguments for or against
the development or for the removal/retention of trees.


NOTE: It is assumed that a topographical survey, detail and feature survey and tree
survey has been provided.


STAGE ONE: Completion of the Preliminary Arboricultural Report at the pre-design stage
assesses the value and contribution of the tree(s) located on-site, independent of any
proposed layout design.               This unbiased approach to evaluating trees will allow the highest
quality tree(s) to be retained, which will be capable of tolerating the pressures during the
development process. This represents the constraints imposed on-site by the existing
tree(s), indicating TPZ’s, tree dimensions, tree health and structure. This raw information
should be used as a design tool to inform the proposed layout.


STAGE TWO: In the post planning stage the Preliminary Arboricultural Report will help
inform the design team of the potential conflicts associated with the location of
established existing tree(s), help establish a satisfactory layout, which will allow a
harmonious juxtaposition of the established existing tree(s) with built structures and their
associated infrastructure.


STAGE THREE: As a part of the post planning approval stage an Arboricultural Impact
Assessment is to be commissioned. This report will determine that the final layout designs
have satisfactorily been mitigated in alliance with a construction methodology to ensure
the development can successfully be achieved based on the arboricultural constraints. The
Arboricultural Impact Assessment will review the impacts of the planning conditions, which
may include modifications to the Tree Protection Zones (TPZ’s) to meet the legislative
requirements for the various State/Local Government Planning Authorities and compliance
with AS4970-2009.


STAGE FOUR: The conclusion of the approval phase culminates with the implementation
of the approved Arboricultural Impact Assessment a level of on-site Arboricultural
supervision ‘Project Arborist’ for the following stages maybe required:


     o     pre-construction
     o     construction
     o     post construction
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     o     final certification report



PAR: V2
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