RFI 10.03.2020 - Appendix C - Memorandum cooroibah waterway crossing · MCU16/0099.01

                                                                                                                                                                                                                                                                             25 King St
                                                                                                                                                                                                                                                                       Bowen Hills QLD 4006
                                                                                                                                                                                                                                                                        ph: +61 7 3173 8000
                                                                                                                                                                                                                                                                  e: [email protected]
                                                                                                                                                                                                                                                                                                                                          SOIL BH3
                                                                                                                                                             Client: NBN                                                                                     Driller: N/A                                                                 Commenced:30/01/2020
                                                                                                                                                             Project: Cooroibah Waterway Crossing                                                            Rig: Hand Auger                                                              Completed: 30/01/2020
                                                                                                                                                             Location: Cooroibah                                                                             Easting: 499963 m
                                                                                                                                                             Project Number: 247473                                                                          Northing: 7085452 m
                                                                                                                                                                                                                                                             Elevation: 10 mAHD                                                                                                             Sheet:1 of 1

                                                                                                                                                                        Drilling                                                            Soil Description                                                                          Testing                                                      Strata
                                                                                                                                                                      Information                                                                                                                                                                                                               Information




                                                                                                                                                                                                                                                                                                                                                                                                           Elevation (mAHD)
                                                                                                                                                                                                                                                                            Moisture Content
                                                                                                                                                                                                                     MATERIAL DESCRIPTION                                                                             Comments /
                                                                                                                                                                                                                                                                                                Consistency /                                   DCP Values
                                                                                                                                                                               Sample Type
                                                                                                                                                        Groundwater




                                                                                                                                                                                                                                                                                                                                                                                             Graphic Log
                                                                                                                                                                                                              Soil Type, Colour, Plasticity or Particle                                                              Test Results /
                                                                                                                                                                                             Depth (m)




                                                                                                                                                                                                                                                                                               Relative Density                          (Blows/100mm Penetration)




                                                                                                                                                                                                                                                                                                                                                                                                                              Depth (m)
                                                                                                                                                                                                         Characteristic, Secondary and Minor Components                                                                 Origin
                                                                                                                                                                      Method




                                                                                                                                                                                                                                                                                               VS S F St VSt H
                                                                                                                                                                                                                                                                                               VL L MD D VD C
                                                                                                                                                                                                                                                                                                                                           2        6       10            14          18




                                                                                                                                                                                                                                                                      USC
                                                                                                                                                                                                                                                                                                 1   2   3   4   5                         2    4   6   8   1 0     1 2   1 4   1 6   1 8




                                                                                                                                                                                                         0 m: TOPSOIL: Silty CLAY                                      CI   <PL                                        TOPSOIL
                                                                                                                                                                                  D                      Dark brown, medium plasticity, with minor fine grained
                                                                                                                                                                                                         sand, organics (rootlets), <PL, very stiff
                                                                                                                                                                                  D                      0.25 m: decrease in sand content, high plasticity            CH

                                                                                                                                                                                  D                      0.4 m: Silty Sandy CLAY                                       CI   >PL                                        ALLUVIAL
                                                                                                                                                                                             0.5         Brown grey, medium plasticity, with fine grained sand,                                                                                                                                            9.5                   0.5
                                                                                                                                                                                                         >PL, stiff
                                                                                                                                                                       HA




                                                                                                                                                                                                         0.7 m: becomes pale brown grey mottled red-orange
                                                                                                                                                                                  D                      0.8 m: Silty CLAY                                            CH    >PL
                                                                                                                                                                                  D                      Pale brown-grey mottled red-orange, high plasticity, with
                                                                                                                                                                                             1.0         minor fine grained sand, >PL, very stiff                                                                                                                                                          9.0                   1.0
                                                                                                                                                                                                         1 m: becomes stiff


                                                                                                                                                                                  D                      1.2 m: becomes grey mottled yellow-brown
                                                                                                                                                                                  D
Full File Name: P:\WP\ADMIN\GEOTECH\TENDERS, PROPOSALS AND PROJECTS\PROJECTS\247473 COOROIBAH WATERWAY CROSSING GI\NEW FOLDER\247473 COOROIBAH_MG.GPJ




                                                                                                                                                                                                         1.35 m: increase in fine grained sand content
                                                                                                                                                                                             1.5
                                                                                                                                                                                                         BH3 Terminated at 1.37 m                                                                                                                                                                          8.5                   1.5
                                                                                                                                                                                                         (Obstruction in the hole)




                                                                                                                                                                                             2.0                                                                                                                                                                                                           8.0                   2.0




                                                                                                                                                                                             2.5                                                                                                                                                                                                           7.5                   2.5




                                                                                                                                                                                             3.0                                                                                                                                                                                                           7.0                   3.0




                                                                                                                                                                                             3.5                                                                                                                                                                                                           6.5                   3.5




                                                                                                                                                                                             4.0                                                                                                                                                                                                           6.0                   4.0




                                                                                                                                                                                             4.5                                                                                                                                                                                                           5.5                   4.5




                                                                                                                                                            Remarks:                                                                                                                                                                                              Logged: MG
                                                                                                                                                            - End of hole at 1.37m bgl due to hand auger refusing on protruding rock in the auger hole
                                                                                                                                                            - No groundwater was encountered                                                                                                                                                                      Logged Date: 30/01/2020
                                                                                                                                                            - Coordinates recorded using a hand-held GPS unit (+/- 5m accuracy).                                                                                                                                  Checked: JB
                                                                                                                                                            Elevation data was retrieved from the State of Queensland's Department of Natural Resources,                                                                                                          Checked Date: 14/02/2020
                                                                                                                                                            Mines and Energy online mapping tool "Queensland Globe".