Site and Soil Evaluation

Soil Borehole Results
       MAIN HOUSE
                                Depth              Soil Description
                                00-300             Silty Clay CH
                                                   Med to heavy clay, dark brown
                                                   Moist, moderate. (Cat 5)

                                300-1000           Silty Clay CH
                                                   Med to heavy clay, orange
                                                   Moist, moderate. (Cat 5)

                                1000-2000          Silty Clay CH
                                                   heavy clay, red orange mottled grey
                                                   Moist, massive. (Cat 6)

                                2000               Borehole Terminated


WORKERS COTTAGE
                                Depth              Soil Description
                                00-200             Silty Clay CH
                                                   Med to heavy clay, dark brown
                                                   Moist, moderate. (Cat 5)

                                200-500            Silty Clay CH
                                                   Med to heavy clay, orange brown
                                                   Moist, moderate. (Cat 5)

                                500-1400           Silty Clay CH
                                                   heavy clay, red orange mottled grey
                                                   Moist, massive. (Cat 6)

                                1400-2000          Gravelly Clay CH
                                                   Med to heavy clay, red orange mottled grey
                                                   Moist, massive. (Cat 6)

                                2000               Borehole Terminated



Constant Head Method permeability results


The following design criteria is applicable for the following disposal methods: Main House

                                                     1                2               3
              Fall                     (mm)         25               25               25
              Time                     (mins)       300             124              300
                                       (secs)        0               12                0
   Indicative Permeability             (Ksat)     0.0133           0.0322           0.0133
        Soil Category                               5               5                 5
            Structure                            Moderate        Moderate          Moderate




   AUSTRALIAN SOIL INVESTIGATIONS                            3                                ASI Ref: 220144(A)