Landscape Technical Specification - OPW14/0197

Doonella – Stage C
        Freedom from the following on the sawn upper face
        Loose and unsound knots
        Shakes
        Loose Gum Veins
        Knot Holes
        Termite Galleries
        Want, wane and bark
        Checks wider than 1mm
        End splits wider than 1mm
        Included bark
        Borer holes larger than 3m
        Additionally permitted defects shall not cover more than 15% of the top face.



Preservative Treatment
Treatment, natural durability classes and combinations thereof shall conform to AS 1604, TUMA (Timber
Utilisation and Marketing Act Qld 1987) and TMA (Timber Marketing Act NSW 1977). Where timber is in
contact with the ground sapwood shall be treated to Level H5, in accordance with TUMA. Where timber is
not in contact with the ground, sapwood shall be treated to Level H4 in accordance with TUMA. A
certification of treatment shall be provided.

Species
Timber shall be selected from the following species.
spotted gum
tallowwood
forest red gum
ironbark
blackbutt (Qld sourced and vein free)
Tolerances
Unless noted otherwise, the actual cross sectional dimensions of the timber may vary from the dimensions
stated by the following;
width                     +_ 3mm
thickness                 -0, +2mm
length                    0
length (cut to size)      +- 5mm



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AECOM                                       15