19 Viewland Drive Arborist Report · OPW19/0180

8 DETAILED TREE FINDINGS

8.1 TREE #1

A mature Pink Bloodwood located beneath overhead power lines. The trunk of the tree is
located adjacent to the front property boundary. Due to the past pruning regime over many
years by Energex the tree's canopy now significantly favours the direction of the dwelling. It is
uncertain if the trunk has moved in the past, but the tree does have a predisposed lean and
failure direction towards the dwelling. While the tree will not be directly affected by the
proposed renovation it does pose a threat to the dwelling.

Current Risk Rating

Likelihood of Failure Likelihood of impacting target
Possible High

Matrix Table 1 — Likelihood Matrix Consequences of failure
Somewhat Likely Severe

Matrix Table 2 and final Risk Score MODERATE

 

 

 

 

 

 

 

 

 

Hazard mitigation works - proactive removal.

Requested Outcome — Removal

8.2 TREE #2

A mature twin trunk Bribie Island Pine with a suppressed form resulting in a reduced structural
condition. The tree is located within the proposed front landscaping earthworks area where
the works will result in 300-400mm of Fill being placed over the tree's root system and a rock
retaining wall being constructed on the western side with continuation of the Fill on the eastern
side. This is likely to lead to the tree's decline and accelerated mortality.

Currently Risk Rating

 

Consult Arborist .....

Likelihood of Failure

Likelihood of impacting target

 

 

 

Improbable Low
Matrix Table 1 — Likelihood Matrix Consequences of failure
Unlikely Minor

 

 

Matrix Table 2 and final Risk Score

 

LOW

 

 

Renovation works conflict with the tree.

Requested Outcome — Removal

 

19_03_19_ArbRep_O'Grady_19 Viewland Drive

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