ARB_Arborist Final Report_McAnally Dr · OPW22/0106

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Contents
  1.     Introduction ...................................................................................................................................... 2
  1.1        Brief ............................................................................................................................................... 2
  1.2        Qualifications and Experience....................................................................................................... 2
  1.3        Site Description ............................................................................................................................. 2
  2. Data Collection ...................................................................................................................................... 3
  3.     Supporting documents and Information .......................................................................................... 3
  4.     Site Visit and Observations ............................................................................................................... 7
  5.     Inspection Results. ............................................................................................................................ 7
  5.1 Assessment table 1. ............................................................................................................................ 8
  5.2 Assessment table 2. ............................................................................................................................ 9
  6.     Site Images ...................................................................................................................................... 10
  7.     Conclusion: ...................................................................................................................................... 11
  8.     Recommendations: ......................................................................................................................... 11
  9.     Reference ........................................................................................................................................ 12
  Appendix 1 - Explanatory Notes ............................................................................................................. 13
  Appendix 2 – Disclaimer.......................................................................................................................... 14




Arborist report – TSA: 31 McAnally Drive, Sunshine Beach.
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1. Introduction
1.1 Brief
Treesafe Australia Pty Ltd. has been engaged to attend site and inspect several trees and shrubs
which are likely to be impacted by the proposed re-alignment and re-construction of a driveway
access from McAnally Drive.

1.2 Qualifications and Experience
The arborist report is based upon site observations from ground level and the data captured onsite
upon the day of assessment. The consulting arborist, Justin Harvey has attained an AQF level 5
in Arboriculture (Diploma of Arboriculture AHC 50510). Experiences also include an extensive
knowledge base in the field of conservation and land management.

1.3 Site Description
The site Lot 111 RP 81810 consists of a 654 square meter parcel of East facing, elevated
residential land located near the southern end of Noosa National Park.



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Figure 1: Aerial view of McAnally Drive and the assessment site outlined in blue. (Source: Google Earth, 2017)




Arborist report – TSA: 31 McAnally Drive, Sunshine Beach.
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2. Data Collection
The inspection was performed from ground level without detailed investigation. The method of
inspection performed was a basic level 2 visual tree assessment (VTA) as per ISA guidelines. A
“Timber” tree height app was used to estimate tree heights. A KDS diameter rule (Diameter
Measuring Tape) was used to measure trunk diameters to calculate the TPZ radius for trees
greater than 150mm in diameter at breast height (DBH) 1.5 meters from ground level.

3. Supporting documents and Information
The following Documents and information were provided by email from Danny Long (Senior
draftsman), Chris Clout Designs.

Documents:

 Figure 5         Side sectional view of the proposed development.
 Figure 6         Noosa Shire Council information request.
 Figure 7         Ground floor layout of the proposed development.
 Figure 8         Existing drive way with an over lay of the proposed re-alignment.




Arborist report – TSA: 31 McAnally Drive, Sunshine Beach.
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Arborist report – TSA: 31 McAnally Drive, Sunshine Beach.
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Arborist report – TSA: 31 McAnally Drive, Sunshine Beach.
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Arborist report – TSA: 31 McAnally Drive, Sunshine Beach.
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4. Site Visit and Observations
A site inspection was carried out on the 1st of June 2022 to collect data for the provisions of an
arborist report.

5. Inspection Results.
Upon the day of inspection, various species of native, introduced and weed species were
identified on site. All vegetation situated on the northern and southern side of the driveway access
to 31 McAnally Dr was assessed.

The vegetation mass located on the property frontage identifies as dense, shrubby plantings of
Ficus sp, Desert star, Blush satin ash, Beach Birdseye, New Zealand Christmas bush and
Tuckeroo with the presence of a sparse Pepper tree situated on the southern fringe of the
assessment site. (Refer to assessment table 1). No species with a DBH greater than 150 mm are
evident within this assessment area.




Figure 2: Image of the assessment area along the property frontage captured from McAnally drive (Source: J. Harvey, 2022)




Arborist report – TSA: 31 McAnally Drive, Sunshine Beach.
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Figure 3: Image of the assessment area on the northern side of the drive way access, captured from McAnally drive (Source: J.
Harvey, 2022)


5.1 Assessment table 1.
All species identified and assessed on the property frontage either side of the driveway access.

 Tree No.                 Common Name                                         Botanical Name

 1                        Beach birds-eye                                     Alectryon coriaceus

 2                        New Zealand Christmas bush                          Metrosideros sp.

 3                        Ficus                                               Ficus sp.

 4                        Tuckeroo                                            Cupaniopsis anacardioides

 5                        Blush satinash                                      Acmena hemilampra

 6                        Dessert star                                        Carissa macrocarpa

 7                        Brazilian pepper tree                               Schinus terebinthifolia




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An additional inspection area was identified beyond the block retaining wall on the northern side
of the property within the front gates. Four trees growing in close proximity of the wall were
inspected with estimates of trunk diameters at 1.5 meters being captured. These species included
Forest Red Gum, Weeping paper bark and Tuckeroo. (Refer to assessment Table 2)




Figure 4: Trees inspected within the additional assessment area beyond the northern block retaining wall. (Source: J. Harvey, 2022)

5.2 Assessment table 2.
All species assessed on the northern side of the property boundary within 1 meter of the block
wall.

 Tree No.        Common Name            Botanical Name         Height (M)             DBH (mm)               TPZ (mm)

                 Weeping                Melaleuca
 1                                                             6                      230                    2.76
                 paperbark              leucadendra
                 Forest                 Eucalyptus
 2                                                             9                      290                    3.48
                 red gum                teriticornus
                                        Cupaniopsis
 3               Tuckeroo                                      4                      210                    2.52
                                        anacardioides
                                        Cupaniopsis
 4               Tuckeroo                                      4                      230                    2.76
                                        anacardioides




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6. Site Images




 Image 1 - Juvenile Acmena                                  Image 2 - Vegetation on the
 Hemilampra near the front gate.                            southern side of the driveway.




  Image 3 - Shrubby species of Carissa                      Image 4 - Juvenile Ficus species,
  identified on the Northern side of the                    identified on the Northern side of the
  driveway.                                                 driveway
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7. Conclusion:
In conclusion to the inspection results, the vegetation situated along the property frontage on both
sides of the existing driveway has a low landscape value other than providing a privacy screen
from the McAnally Drive. As the majority of the vegetation is undersized, non-native or
insignificant the need for tree protection zones would prove to be impractical.

Construction works for the alteration of the proposed alignment of the new driveway would impact
the existing vegetation on both sides of the existing driveway with a moderate encroachment on
the northern side.

The proposed alignment sways away from the existing vegetation on the southern side, creating
more planting opportunities. This area can be densely planted to compensate for vegetation loss
on the northern side.

It is my opinion that if supplementary plantings of coastal native species are densely planted on
the southern side this will increase the depth of the canopy edge, create a denser buffer zone and
further protect the vegetation mass on the northern side from prevailing winds to the south.

In regard to the larger tree species on the northern side of the wall within the neighbouring
property. At this stage it is unclear whether the wall will be demolished or retained and
incorporated into the proposed build. Development encroachments for the trees beyond the
property boundary would need to be considered if this wall is to be modified or reconstructed. The
trees will need to be retained with minimal disturbances to their root zones if works are to proceed
beyond the existing property alignment.

8. Recommendations:
    •   Utilise sensitive earthworks methods to avoid damage to vegetation whilst removing the
        existing concrete driveway.

    •   Employ a qualified arborist team AQF 3 or equivalent to carry out the removal of the
        vegetation on the northern side of the existing driveway.

    •   Provide Supplementary plantings to compensate for vegetation loss.

    •   Consider all design implementations in favour of tree retention.

    •   Refer to the development guidelines AS 4970 Protection of trees on development sites.

    •   Refer to the guidelines of Noosa Shire Councils tree management principles.

    •   Employ a consulting arborist to oversee future excavation works around all trees
        assessed.

    •   Consider selecting species which are native and salt tolerant.




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9. Reference
Leaf & Limb Horticultural Consultancy; Registered (c) Samuel Cowie; Dip. Arb/Hort

Trees on Building Sites: Dr Gary W Watson, Dr Dan Neely; Published by The International Society
of Arboriculture (c) 1995 All Rights Reserved

Eucalypts of the Sunshine Coast and the Coast from Bundaberg to Coffs Harbour. Tony Bean.
Publisher T. Bean, 1983.

Harden, G, Mc Donald, B Williams, J
Rainforest trees and shrubs, A field Guide to their identification, Gwen Harden, NSW, Australia,
2006.

Glenn Leiper, Jan Glazebrook, Denis Cox and Kerry Rathie.
Mangroves to Mountains, Revised Edition 2014, A field guide to the Native Plants of Southeast
Queensland.

Matheck, C. Breloer, H.
The Body Language of Trees: A Handbook for Failure Analysis.TSO, London, England.


Matheny, N. Clark, J.R.
Trees and Development (A Technical Guide to Preservation of Trees During Land Development)
ISA, Illinois, 1998


Standards Australia
Australian Standard AS 4970 Protection of trees on development sites. (August 2009)


Standards Australia
Australian Standard AS 4373 Pruning of amenity trees. (March 2007)




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Appendix 1 - Explanatory Notes
•       Mathematical abbreviations: > = Greater than; < = Less than.

•     Measurements/estimates: All dimensions are estimates unless otherwise indicated.
Measurements taken with a tape or clinometer are indicated with a ‘+’. Less reliable estimated
dimensions are indicated with a '?'.

•         Species: The species identification is based on visual observations and the common
English name of what the tree appeared to be is listed first, with the botanical name after in
brackets. In some instances, it may be difficult to quickly and accurately identify a particular tree
without further detailed investigations. Where there is some doubt of the precise species of tree,
it is indicated with a '?' after the name in order to avoid delay in the production of the report. The
botanical name is followed by the abbreviation sp if only the genus is known. The species listed
for groups and hedges represent the main component and there may be other minor species not
listed.

•       Height: Height is estimated to the nearest metre.

•       Spread: The maximum crown spread is visually estimated to the nearest metre from the
furthest extent of live lateral branches on one side of the canopy to the tips of the live lateral
branches on the opposing side of the canopy.

•      Diameter: These figures relate to 1.5m above ground level and are recorded in
centimetres. If appropriate, diameter is measure with a diameter tape. ‘M’ indicates trees or
shrubs with multiple stems.

•       Estimated Age: Age is estimated from visual indicators and it should only be taken as a
provisional guide. Age estimates often need to be modified based on further information such as
historical records or local knowledge.

•       Distance to Structures: This is estimated to the nearest metre and intended as an
indication rather than a precise measurement.

Frass: A sawdust like after effect from wood and bark chewing/boring insects.

Tilth- The loosened effect of soil in the hole walls and floor.

Epicormic growth: Stress shoots, water shoots, re-growth or suckers. Poorly attached, quick
growing.

SRZ: Structural Root Zone

TPF: Temporary Protection Fencing

Adventitious shoots: A branch arising from a stem or parent branch having no connection to
apical meristems.

SRZ: Structural Root Zone
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CRZ: Critical Root Zone

Basic VTA: Detailed visual inspection of a tree & surrounding site that may include the use of
simple tools. It requires that a tree risk assessor walk completely around the tree trunk looking at
the site, above ground roots, trunk & branches.

Appendix 2 – Disclaimer
All care has been taken to obtain information from sources which by all means are reliable. All
information and data has been verified as far as possible. However, Treesafe Australia Pty Ltd
cannot guarantee nor be responsible for the accuracy of information provided by others.

Unless stated otherwise:

Information contained in this report covers only the trees that were inspected and reflects the
conditions of the trees at the time of inspection.

Trees are assessed under typical weather conditions and do not account for large weather events
with a rating of Beaufort scale 9 (Strong gale 76-87Km/h. 41-47knots) or greater.

The inspection was limited to the visual examination of the subject tree without drilling, coring,
probing, x-ray imaging, excavation, dissection or any other tool or method unless stated within
this report.

There is no warranty or guarantee, expressed or implied, that any issues, problems faults, failures
or deficiencies of the subject tree(s) may not arise in neither the present nor the future.

Treesafe Australia Pty Ltd reserves the right to forward a copy in full of this report to any local,
state, or federal government body or regulatory authority that may request this report for the
assistance in making an informed assessment of the trees on site.

This report has been prepared for the exclusive use of the client and Treesafe Australia Pty Ltd
accepts no responsibility for its use by other persons or organizations. The client/approved
recipient of this report acknowledges that this report and any options, opinions, advice, or
recommendations expressed or given in this report are based on the information supplied by the
client and on the data inspections, measurements and analysis carried out or obtained by
Treesafe Australia Pty ltd. and referred to in this report. The client/approved recipient should only
rely on this report and on its contents only to that extent.


Justin Harvey

0423 672 794

Diploma of Horticulture (Arboriculture)
AQF level 5/Certificate No. 916720500138510




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