ATCAC Arborist report

Page 2

                     Australian Tree Contractors & Arboricultural Consultants Pty Ltd

P O Box 1411, Noosaville DC Queensland 4566.
Mobile: 0431586371
Email: [email protected]
Web: www.australianconsultarborist.com.au


                       Arboricultural Report
Client: Peninsular Aviation Pty Ltd and Myles Baldwin Designs Pty Ltd
Site Address: 12 Park Rd, Noosa Heads 4567
Date of Inspection: 23/2/2018


Table of Contents
Professional Disclaimer
General References
Report Limitations
Qualifications
What is TRAQ
Site Plan
Scope of Works and Time Frame
TRAQ Assessment Forms and Field Inspection Data
ARBORICULTURAL REPORT, PHOTOS AND RISK MITIGATION OPTIONS

Page 3

                           Australian Tree Contractors & Arboricultural Consultants Pty Ltd

P O Box 1411, Noosaville DC Queensland 4566.
Mobile: 0431586371
Email: [email protected]
Web: www.australianconsultarborist.com.au

Professional Disclaimer:
 Although Australian Tree Contractors & Arboricultural Consultants PTY Ltd (ACN 614 266 125) (ATCAC) uses all due care and
skill in providing you with the information made available in this Report, to the extent permitted by law ATCAC otherwise
excludes all warranties of any kind, either expressed or implied. To the extent permitted by law, you agree that ATCAC is not
liable to you or any other person or entity for any loss or damage caused or alleged to have been caused (including loss or
damage resulting from negligence), either directly or indirectly, by your use of the information (including by way of example,
Arboricultural advice) made available to you in this report. Without limiting this disclaimer, in no event will ATCAC be liable
to you for any lost revenue or profits, or for special, indirect, consequential or incidental damage (however caused and
regardless of the theory of liability) arising out of or related to your use of that information, even if Tree Logic has been
advised of the possibility of such loss or damage. This disclaimer is governed by the law in force in the State of Queensland,
Australia. This Report is addressed to you and may not be distributed to, or used or relied on by, another person without the
prior written consent of ATCAC. ATCAC accepts no liability to any other person, entity or organisation with respect to the
content of this Report unless that person, entity or organisation has first agreed in writing to the terms upon which this
Report may be relied on by that other person, entity or organisation. Report Assumptions The following qualifications and
assumptions apply to the Report: • Any legal description provided to ATCAC is assumed to be correct. Any titles and
ownership of any property are assumed to be correct. No responsibility is assumed for matters outside of ATCAC’s control. •
ATCAC assumes that any property or project is not in violation of any applicable codes, ordinances, statutes or other local,
state or federal government regulations. • ATCAC shall take care to obtain all information from reliable sources. All data shall
be verified insofar as possible; however, ATCAC can neither guarantee nor be responsible for the accuracy of the information
provided by others not directly under ATCAC’s control. • No ATCAC employee or contractor shall be required to give
testimony or to attend court because of the Report unless subpoenaed or subsequent contractual arrangements are made,
including payment of an additional fee for such services. • Loss of the report or alteration of any part of the report not
undertaken by ATCAC invalidates the entire Report and shall not be relied upon by any party. • The Report and any values
expressed therein represent the opinion of ATCAC’s consultant and ATCAC’s fee is in no way conditional upon the reporting
of a specified value, a stipulated result, the occurrence of a subsequent event, nor upon any finding to be reported. •
Sketches, diagrams, graphs and photographs used in the Report, is intended as visual aids, are not necessarily to scale and
should not be construed as engineering or architectural drawings, reports or surveys. • Unless expressed otherwise: i) The
information contained in the Report will cover those items that were outlined in the project brief or that were
examined during the assessment and reflect the condition of those items at the time of inspection; and ii) The
inspection is limited to a visual examination of accessible components without dissection, excavation or probing
unless otherwise stipulated. • There is no warranty or guarantee, expressed or implied by ATCAC, that the
problems or deficiencies of the plants or site in question may not arise in the future. • All instructions (verbal or
written) that define the scope of the Report have been included in the Report and all documents and other
materials that the ATCAC Consultant has been instructed to consider or to consider in preparing the Report
have been included or listed within the Report. • The Report is strictly limited to the matters stated in it and
does not apply by implication to any other matters. • To the writer’s knowledge all facts, matter and all
assumptions upon which the Report proceeds have been stated within the body of the report and all opinion
contained within the report will be fully researched and referenced and any such opinion not duly researched is
based upon the writer's experience and observations.

 General References
    • Australian Standards AS 4373 – 2007 Pruning of amenity trees.
     •    AS 4970-2009 - Protection of trees on development sites
     •    Wild Plants of Greater Brisbane – Queensland Museum

Page 4

                       Australian Tree Contractors & Arboricultural Consultants Pty Ltd

P O Box 1411, Noosaville DC Queensland 4566.
Mobile: 0431586371
Email: [email protected]
Web: www.australianconsultarborist.com.au

    •   Fraser Coast website and Maps/overlays
    •   Evaluating Tree Defects – A Field Guide by Ed Hayes, Second Edition
    •   Body Language of Trees - Research for Amenity Trees, Claus Mattheck
    •   Smiley E. Thomas, Nelda Matheny and Sharon Lilly April 2012. Tree Risk Assessment: Levels of
        Assessment
    •   Matheny Nelda and Jim Clark Feb 2009. Tree Risk Assessment: What we know (and What We Don’t
        Know)
    •   The use of the TRAQ as trained by the International Society of Arboriculture




What is TRAQ
TRAQ is an ISA qualification program that trains arborists how to use the methodologies outlined in
the ISA Best Management Practices for Tree Risk Assessment. This qualification promotes the safety
of people and property by providing a standardized and systematic process for assessing tree risk.

Report Limitations
This Arboricultural Report has been done to a Basic Assessment as defined by the International
Society of Arboriculture. This level of assessment will be noted which assessment was used thru out
the report.

Page 5

                    Australian Tree Contractors & Arboricultural Consultants Pty Ltd

P O Box 1411, Noosaville DC Queensland 4566.
Mobile: 0431586371
Email: [email protected]
Web: www.australianconsultarborist.com.au

Qualifications

Page 6

                      Australian Tree Contractors & Arboricultural Consultants Pty Ltd

P O Box 1411, Noosaville DC Queensland 4566.
Mobile: 0431586371
Email: [email protected]
Web: www.australianconsultarborist.com.au




 Scope of Works and Time Frame
Report Time Frame: 12 Months

The scope of works is the assess the Endiandra sievert suitability for retention as there is a concern
from both the homeowner and the landscape designer for protection of both people and property
including the hard and soft landscaping.

Page 7

                    Australian Tree Contractors & Arboricultural Consultants Pty Ltd

P O Box 1411, Noosaville DC Queensland 4566.
Mobile: 0431586371
Email: [email protected]
Web: www.australianconsultarborist.com.au

    1. Risk assessment using the TRAQ method tool.
    2. Present this assessment findings.
    3. Mitigation options.




TRAQ Assessment.

Page 8

                    Australian Tree Contractors & Arboricultural Consultants Pty Ltd

P O Box 1411, Noosaville DC Queensland 4566.
Mobile: 0431586371
Email: [email protected]
Web: www.australianconsultarborist.com.au




ARBORICULTURAL REPORT, PHOTOS AND RISK MITIGATION OPTIONS

Page 9

                    Australian Tree Contractors & Arboricultural Consultants Pty Ltd

P O Box 1411, Noosaville DC Queensland 4566.
Mobile: 0431586371
Email: [email protected]
Web: www.australianconsultarborist.com.au




Species: Endiandra sievert
Age- 25 plus
DBH -1690mm

Page 10

                    Australian Tree Contractors & Arboricultural Consultants Pty Ltd

P O Box 1411, Noosaville DC Queensland 4566.
Mobile: 0431586371
Email: [email protected]
Web: www.australianconsultarborist.com.au

Height 18m- Plus
Crown Width -10m plus
Slope of ground -32’
Soil Type – Sand
Observation
This Corkwood tree is growing on the side of a sandy based soil slope of approx. 32 degrees
and it has a major bias downhill. The crowns centre is approximately 8 to 10 metres from
the centre of its root plate (difficult to measure accurately due to topography and
structures).
There is the very poor taper of the truck to the root plate and reaction growth to the
increased load by this phototrophic growing tree, primarily no laying down of supporting
wood on either the tension or compression side.
The crown has a lot of epicormic growth present which I interpret to be a direct correlation
to the root system under severe load and stress.
As identified in the TRAQ assessment this tree is in the process of failure although not
necessarily immediately if left with no mitigation response to the issues identified this tree
will fail and as the targets also identified in he TRAQ assessment are all in the target zone
and the potential impact is very significant to both property and life.


Mitigation Options Identified in TRAQ Assessment
Option 1: Complete Removal
This is an absolute way to eliminate the risk and to protect all identified targets.
Option 2: End Weight Crown Reduction
This is an option but not a favourable one due to the minor pruning able to be done as per
AS 4373-2007 and the balancing act between helping and hindering. Also the loss of canopy
to aide with wind dampening. As with all pruning this will stress the tree and this tree is
already under load at present and these works will increase this stress and will not decrease
enough load off its root system to really help correct the imbalance this tree has at present.

Page 11

                    Australian Tree Contractors & Arboricultural Consultants Pty Ltd

P O Box 1411, Noosaville DC Queensland 4566.
Mobile: 0431586371
Email: [email protected]
Web: www.australianconsultarborist.com.au

Recommendation
I recommend complete removal of the Corkwood Tree and replacement with a structurally
sounder species able to adapt to this site and the soil conditions. This was an option that the
owner had wanted to avoid but the risk and targets are too critical to ignore this obvious
issue. The time wasted in potential remedial pruning of this tree with the very extensive
lean / bias to the road and the tree still fail when this could be removed at the earliest
opportunity and replaced. This risk is more heighten by the loss of the Ficus in last years
weather event which both offered protection and now with it gone the exposure is evident.


Kind regards
Kurt Brown
AQF Level 5 Arborist
ISA TRAQ Certified Arborist




                        Australian Tree Contractors & Arboricultural Consultants Pty Ltd




Professional Membership