06/1168 - Change a Development Approval [As Published] · 132006.1168.02

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fire, falling timber and any other causes arising from his operations.

Any fences damaged during the execution of the work shall be immediately repaired to the satisfaction of
the superintendent at the Contractor's expense.

3.2.4 Topsoil Operations

Topsoil material stripped from the site, where possible shall be stockpiled for later use in spreading on
the playing fields. Nominally 150 mm depth of topsoil is to be removed over the site for reuse.

The topsoil shall be respread over the playing fields in preparation for amelioration in accordance with
Section 3.4.5.

3.2.5 Tree Protection

The Contractor shall protect existing trees, as identified by the Superintendent on site.

Harmful Materials

Do not store, stockpile, dump or otherwise place under or near trees bulk materials and harmful materials
including oil, paint, waste concrete, clearings, boulders, plant and the like. Do not place spoil from
excavations against tree trunks even for short periods. Prevent wind-blown materials such as cement
from harming trees.

Damage
Prevent damage to tree bark. Do not attach stays, guys and the like to trees.

Work Under Trees

Do not remove topsoil from within the drip line of trees unless otherwise specified. If it is necessary to
excavate within the drip line, use hand methods such that root systems are preserved intact and
undamaged. Open up excavations under tree canopies for as short a period as possible.

Roots

Do not cut tree roots exceeding 50 mm diameter unless permitted by the Superintendent. Where it is
necessary to cut tree roots, ensure all such cuts are clean and even so that the cutting does not unduly
disturb or rock the remaining root system. Immediately after cutting, apply an approved bituminous
fungicide sealant to the cut surface to prevent the incursion of root rot disease.

3.3 Stripping of Organic Matter

In addition to any clearing and grubbing, the whole of the surface upon which any earthworks,
roadworks, drainage or services installation is required as well as on allotments shall be stripped of all
vegetable and organic matter. All stripped materia! shall be stockpiled on the site, where approved by
the Superintendent and replaced on embankment slopes, footpaths and service trenches following
completion of earthworks and backfilling.

The Contractor shall allow in his tender for stripping 150 mm of topsoil that incorporates organic matter to

41/22382/11840 Girraween Sports Precinct 16
Earthworks Package