Attachment 12 - Geotechnical Investigation Report

SMEC Testing Services Pty Ltd
14/1 Cowpasture Place, Wetherill Park NSW 2164 (Base Site Address)
Intersection of Lake Kawana Blvd and Birtinya Blvd, Birtinya QLD 4575 (Branch Site Address)
Phone: (07) 5341 9500 Email: [email protected]

                                     California Bearing Ratio Determination Report
Project: Proposed Retirement Centre Development                                                               Project No.: 30032366-012
Client: Tectonic Geotechnical Pty Ltd                                                                         Report No.:   30032366-012-CBR-3

Address: PO Box 899, Buderim QLD 4556                                                                        Report Date: 1/05/2019
Test Method: AS 1289 6.1.1, 2.1.1                                                                                  Page: 1 of 1
No. of Days Soaked: 4                                                                                Compactive Effort: Standard
                                                                                                Target Compaction (%): 95
Client Request No.: 19071                                                                                  Surcharge (Kg): 4.5
Sampling Procedure: Geotechnical Investigation (Not covered under NATA Scope of Accreditation)


  SMEC / Sample No.         30032366-008


   Sample Location                BH13


                             CI - CLAY: medium
                                   plasticity,
  Material Description       orange/brown, with
                           some fine grained sand



 Depth of Sample (m)          0.50-1.00m

     Sample Date              10/04/2019

Oversize on Wet Basis
                                    0.0
      +19mm (%)
Field Moisture Content
                                   28.4
         (%)
  Optimum Moisture
                                   20.4
      Content (%)
Maximum Dry Density
                                  1.653
        (t/m³)
              Before
                                   1.57
 Density




              Soaking
  (t/m³)

   Dry




               After
                                   1.57
              Soaking
              Before
 Compactio




                                    95
  Relative




              Soaking
   n (%)




               After
                                    95
              Soaking
              Before
                                   20.0
 Moisture
 Content




              Soaking
   (%)




               After
                                   27.0
              Soaking
 Moisture Ratio Before
                                    98
     Soaking (%)

             Top 30mm              29.4
after test

Moisture
Content
   (%)




                Entire
                                   24.6
                Depth

Swell after Soaking (%)             3.0

      CBR Value                     2.6

  Penetration (mm)                  2.5

Remarks:      +19mm material excluded from test / Laboratory testing was undertaken at Sunshine Coast Branch Facility


                                                                                      Approved Signatory
Technician: CBL                                                                                  Adrian Collier - Manager Geotechnics (SC)

  Form: RPS25A                                              Date of Issue: 26/07/18                                               Revision: 0