220239 - 44 Williams Road, KIN KIN - SSE - TE222036 - 44 Williams Road, Kin Kin QLD 4571 (1) (1)

The design of the AES system is presented in Appendix A.
The Advanced Enviro-Septic Approved Design Calculator is presented in Appendix B.
The AES Treatment Plant Approval is presented in Appendix C.


5      Effluent Quality

Table 4 below presents the effluent standards produced by approved wastewater treatment systems
with subsurface disposal.

Table 6: Effluent Quality
 Parameter                        Secondary                             Advanced Secondary
 BOD                              90% < 20 mg/L; 100% < 30 mg/L         90% < 10 mg/L; 100% < 20 mg/L
 TSS                              90% < 30 mg/L; 100% < 45 mg/L         90% < 10 mg/L; 100% < 20 mg/L




6      Setback Distances

The Queensland Plumbing and Wastewater Code V1:2019 Appendix Part 2, Table T2 and Table T5,
outlines minimum setback separation distances required for subsurface land application areas. These
distances are presented in Table 5.

Table 7: Separation Distances
                                                                              Separation Distance
                              Feature
                                                                  Up Slope        Down Slope                 Level
 Property boundaries, pedestrian paths, walkways,
                                                                     2m                4m                     2m
 recreation areas, retaining walls, footings
 Inground swimming pool, Inground potable water tank                 6m                6m                     6m
                                                                              Separation Distance
                              Feature
                                                                  Adv. Sec.       Secondary                Primary
 Top of bank of watercourse / waterbody, Bore or dam,
                                                                    10 m              30 m                   50 m
 Open stormwater drainage channel or drain
 Permanent water table (vertical)                                  0.3 m             0.6 m                   1.2 m




Site and Soil Evaluation                                                         44 Williams Road, Kin Kin QLD 4571
Taylor Environmental (Australia) Pty Ltd                                                                Page 6 of 19