Info Request Response Traffic Management Plan 25-9-25 - JN1006_2-Bennett-3FergusonSt-AIA092025

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natural infiltration and increasing drought stress. The degree of impact depends on the type
of surface and its intended function. Where feasible, using permeable materials and
designing drainage systems that support tree health can help reduce these adverse effects.
4.2    Construction impacts specific to the subject trees
Section 0 is to be read in conjunction with Figure 9: Proposed Construction Impacts below.
 Tree ID                                      1
 Botanical name (Common name)                 Araucaria heterophylla (Norfolk Island Araucaria)
 Origin                                       Australian Native
 Height                                       25m
 Trunk diameter (DBH)                         77cm
 Diameter above root butress (DAB)            95cm
 Crown spread (N-S x E-W)                     10 x 10m
 Notational Root Zone (NRZ) radius            9.24m
 NRZ area                                     268.22m²
 SRZ radius                                   3.24m
 NRZ incursion                                21%
 Encroachment type (AS4970-2025)              Major
 Health                                       Fair
 Structure                                    Fair
 Age                                          Mature
 Useful Life Expectancy (ULE)                 15 - 40
 Significance                                 Council tree, Growing adjacent to/below
                                              powerlines (inappropriate location), Prominent in
                                              the landscape
 Defects                                      Epicormics
 Retention Value (IACA, 2010)                 Medium
 Recommendation                               Retain and protect *The protection of this tree forms the
                                              basis of this report.




Tree Management Plan (TMP)               Ref: JN0823                                       Page 9 of 33