SSE - TE249167 - 328 Upper Pinbarren Creek Road, Pinbarren Qld 4568

2.3         Soil Investigation
The site and soil evaluation was undertaken on 31 October 2024, with earlier soil tests undertaken by
Global Testing in 2019. The soil profile and design characteristics for the effluent disposal area are
presented in Table 3.

Table 3: Soil Type
                                BH1                                                         BH2
                               Sandy Clay, Category 4                                     Sandy Clay, Category 4
      0 – 500                                                       0 – 500
                                   Low plasticity                                             Low plasticity
                               Sandy Clay, Red/brown                                      Sandy Clay, Red/brown
    500 – 1200                                                  500 – 1200
                                 Medium plasticity                                          Medium plasticity
        Ksat                          0.20 m/day                     Ksat                        0.22 m/day
                                                   Design Characteristics
    Receiving depth                           Basal area will be around 900mm deep
    Texture                                   Light Clay
    Structure                                 Strongly Structured
    Category                                  5
    Design Loading Rate (DLR)                 12 mm/day for secondary+ effluent




2.4         Habitable Buildings
This property has a number of habitable buildings with wastewater systems. Table 4 below online each
building and its number of Equivalent Persons in reference to the Environmental Protection Regulations
Equivalent Persons.

Table 4: Habitable Buildings
                                                                                                     ERA63 Equivalent
    Building                                   Bedrooms                AS1547 Persons1
                                                                                                        Persons2
    Tiny house                                     1 br                2 persons = 300L                     1.5 EP
    Vistor Accomodation #1                         1 br                2 persons = 300L                     1.5 EP
    Visitor Accommodation #2                       2 br                3 persons = 450L                     2.25 EP
    Visitor Accommodation #3
                                                   1 br                2 persons = 300L                     1.5 EP
    “Mango Tree Cabin”
    Caretakers                                     3 br                5 persons = 750L                     3.75 EP
    Granny Flat                                    2 br                3 persons = 450L                     2.25 EP
    Primary Residence                              3 br                5 persons = 750L                     3.75 EP
    Total                                          13 br              22 persons = 3300L                    16.5 EP




1
    Where 1 person = 150 L/day
2
    Where 1 Equivalent Person = 200 L/day
Site and Soil Evaluation                                               328 Upper Pinbarren Creek Road, Pinbarren Qld 4568
Taylor Environmental (Australia) Pty Ltd                                                                      Page 5 of 19