Geotechnical Report

                         LINDSAY CONSULTING PTY LTD
Project   9 MYALL STREET, GYMPIE                           Project Number        231154
                                                                            FACTORY POOLS
                                                           Client


                            LANDSLIDE FREQUENCY ANALYSIS
A         NATURAL SHALLOW LANDSLIDES

          FEATURE                                                           FACTOR

          SLOPE ANGLE                                                          0.500
          SLOPE SHAPE                                                          0.900
          SITE GEOLOGY                                                         1.000
          MATERIAL STRENGTH                                                    4.000
          CONCENTRATION OF SURFACE WATER                                       0.800
          EVIDENCE OF GROUNDWATER                                              0.700
          EVIDENCE OF INSTABILITY                                              0.500

          CALCULATED RELATIVE FREQUENCY                                        0.504 LOW
          APPROXIMATE ANNUAL SITE PROBABLITY FOR FEATURE                    2.02E-03

B         ROCKFALL

          FEATURE                                                           FACTOR

          SLOPE OF ROCK FACE                                                   0.000
          ORIENTATION OF DEFECT SYSTEM                                         0.000
          EVIDENCE OF INSTABILITY                                              0.000

          CALCULATED RELATIVE FREQUENCY                                        0.000 N/A
          APPROXIMATE ANNUAL SITE PROBABLITY FOR FEATURE                    0.00E+00

C         BOULDERS

          FEATURE                                                           FACTOR

          BOULDER SIZE                                                         0.000
          BOULDER SHAPE                                                        0.000
          SLOPE ANGLE                                                          0.000
          SLOPE SURFACE                                                        0.000
          EVIDENCE OF INSTABILITY                                              0.000

          CALCULATED RELATIVE FREQUENCY                                        0.000 N/A
          APPROXIMATE ANNUAL SITE PROBABLITY FOR FEATURE                    0.00E+00

D         FILL BATTERS

          FEATURE                                                           FACTOR

          FILL HEIGHT                                                          0.200
          SITE GEOLOGY                                                         1.000
          BATTER SLOPE ANGLE                                                   0.500
          NATURAL SURFACE SLOPE                                                0.200
          EVIDENCE OF INSTABILITY                                              0.500

          CALCULATED RELATIVE FREQUENCY                                        0.010 VERY LOW
          APPROXIMATE ANNUAL SITE PROBABLITY FOR FEATURE                    4.00E-05

E         CUT BATTERS

          FEATURE                                                           FACTOR

          CUT HEIGHT                                                           0.500
          SLOPE OF CUT FACE                                                    0.500
          MATERIAL IN CUTTING                                                  2.000
          NATURAL SURFACE SLOPE ABOVE CUT                                      0.200
          CUT SLOPE SUPPORT                                                    0.500
          DISTANCE OF TOE OF CUT TO STRUCTURE                                  2.000
          EVIDENCE OF INSTABILITY                                              0.500

          CALCULATED RELATIVE FREQUENCY                                        0.050 VERY LOW
          APPROXIMATE ANNUAL SITE PROBABLITY FOR FEATURE                    2.00E-04

          Basic Frequency Adopted for Site                                     0.004