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-1

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.         30032366-004


   Sample Location                BH6


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



 Depth of Sample (m)           0.50-1.00

     Sample Date              10/04/2019

Oversize on Wet Basis
                                   0.0
      +19mm (%)
Field Moisture Content
                                  30.3
         (%)
  Optimum Moisture
                                  25.1
      Content (%)
Maximum Dry Density
                                 1.552
        (t/m³)
              Before
                                  1.48
 Density




              Soaking
  (t/m³)

   Dry




               After
                                  1.47
              Soaking
              Before
 Compactio




                                   95
  Relative




              Soaking
   n (%)




               After
                                   95
              Soaking
              Before
                                  24.9
 Moisture
 Content




              Soaking
   (%)




               After
                                  30.5
              Soaking
 Moisture Ratio Before
                                   99
     Soaking (%)

             Top 30mm             32.9
after test

Moisture
Content
   (%)




                Entire
                                  28.1
                Depth

Swell after Soaking (%)            2.0

      CBR Value                    2.5

  Penetration (mm)                 5.0

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