OPW25/0012 - Arborist Report & Vegetation Management Plan

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[OCR of page images]
Arborist Report
3 &7 Serenity Close, Noosa Heads

e Any stockpiles of debris are to be stored outside of the TPZ.
e Where recommended by the Project Arborist, carry out remedial works to trees as
follows:
- Decompaction or aeration of the TPZ e.g. via vertical mulching or air spade.
- Any mechanical aeration of the topsoil layer should be undertaken by a suitability
qualified professional and supervised by the Project Arborist.
- Where required, application of a suitable fertiliser.
- Where required, additional topsoil is to be provided in accordance with AS
4419:2018 Soils for landscaping and garden use to maintain existing ground levels.
- Apply 100mm native forest mulch within fenced TPZ area to 100m settled depth.

5.3 CONSTRUCTION

Construction management is a necessary and critical part of protection of trees on
development sites. The following sections of the Arborist Report identify:

1. General construction requirements for all trees.
2. Specific requirements for individual trees.

5.3.1 GENERAL REQUIREMENTS FOR ALL TREES

Construction management measures for retained trees are indicated on the VMP drawings
(Appendix 1) and include:

e Retaining walls are to be constructed with bored piers to avoid impacts to any roots
which may be present at the edge of the TPZ. Strip footing is prohibited within the
TPZ without the prior approval of the Project Arborist.

e Service connections are to be vacuum excavated or hand dug if required by the
Project Arborist, where located near or directly adjacent to retained trees, to avoid
impacts on large roots.

e TPZ fencing is to be established in accordance with the approved drawings and
Australian Standard AS 4970-2009 Protection of trees on development sites
(Standards Australia 2009) including:

- Signage in accordance with AS 1379-1994 Safety signs for the occupational
environment, and,
- Fencing in accordance with AS 4687-2007 Temporary fencing and hoardings.

e If canopy pruning is required, licensed Wildlife Spotter Catcher is to inspect trees to
be pruned and identify hollows for retention or salvage.

e Project Arborist to monitor all works which occur within the TPZ of retained tree.

e Where roots are exposed by excavation, temporary root protection is installed to
prevent dehydration and root moisture is maintained.

e Where exposed roots require pruning, pruning shall be carried out in accordance
with procedures set out in:

- AS 4970-2009 Protection of trees on development sites, and,
- AS 4373-2007 Pruning of amenity trees.

LTORIAS

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