Kingscote Streets Upgrades - Kangaroo Island Council
Kingscote Streets Upgrades - Kangaroo Island Council
Kingscote Streets Upgrades - Kangaroo Island Council
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3 Site Preparation and Earthworks<br />
This section of the specification details the requirements for Earthworks, including selection of<br />
materials, clearing, grubbing, stripping topsoil, excavation and filling. This section shall be read in<br />
conjunction with the design details and drawings.<br />
3.1 General<br />
This specification shall be read in conjunction with the following Standards and references, which<br />
are deemed to form a part of this specification.<br />
AS 3798<br />
AS 1289<br />
AS 1141<br />
DTEI Master Specification<br />
Guidelines on Earthworks for Commercial and Residential Developments<br />
Methods of Testing Soils for Engineering Purposes<br />
Sampling and Testing of Aggregates<br />
Part 210 – Earthworks<br />
3.2 Materials – Site Preparation and Earthworks<br />
3.2.1 General<br />
Site Preparation and earthworks materials are to be as specified herein or as otherwise approved by<br />
the Superintendent.<br />
3.2.2 Suitable Materials<br />
Suitable materials shall be any clean soil or soil-aggregate mixtures capable of being compacted to<br />
form a homogeneous mass and suitable for the construction of structural fill.<br />
Large particles must be broke down to a maximum particle size of 100 mm maximum.<br />
Classified Fill shall be clean sand or soil free from expansive clays, debris, weeds, roots, organic<br />
material or other foreign matter. Classified Fill shall meet the following requirements:<br />
Table 3.1<br />
Fill Material Classification<br />
Characteristic<br />
Aggregate Grading – % passing sieve size<br />
Type A<br />
Material Classification<br />
Type B<br />
General Fill<br />
(Unclassified)<br />
106 mm – 100 100<br />
75 mm 100 80–100 –<br />
37.5 mm 80–100 80–00 –<br />
0.075 mm 0–25 0–35