RFI - Attachment 6 - Technical Note

Devcon Property Group                                                                           4 February 2021


Design for lateral earth pressures could be based upon an effective friction angle of 30° and soil unit weight
of 19 kN/m³, with the following lateral earth pressure parameters:

       Ka (active)      0.33
       Ko (at-rest)     0.5
       Kp (passive)     3.0
Your attention is drawn to the document Limitations, which is attached to this letter report.

Please contact the undersigned should you wish to discuss any of the above matters.

Yours faithfully

TECTONIC GEOTECHNICAL PTY LTD




Ashley Davey BEng RPEQ 8159
Principal Geotechnical Engineer


Attachments: Limitations




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