Attachment F - Effluent disposal report

- 2000. A further 100mm diameter hole was excavated to determine the soil profile. The site was then
Classified in accordance with AS 1547 — 2000 On-Site Wastewater Management for the purposes of
effluent disposal.

Results:

Site Observations
Ves No

Suitable Area for siting a Land Application Area

Adequate area for a Reserve area

Is there Adequate Soil Depth depth above rock or the water table

Is the Soil Type Satisfactory

io ee ae oe

Is the potential of runoff from the proposed area OK

Is there a potential for groundwater seepage V

Soil Borehole Results

Depth Soié Description

0-400 Silty Sand SM
Fine to coarse grained, dark grey
Moist, massive.

400-1200 Silty Clay CH
Med to heavy clay , orange brown
Moist, mod. (Cat 5)

1200-2000 Sandy Clay CH
Med to heavy clay, pale brown
Moist, mod (Cat 5-6)

2000 Borehole Terminated

Constant Head Method permeability results

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

Test Site:

3 4 5
Faee (mm) 75) 25 25
Time (mins) 107 375 300
(secs) 14 0 0
Indicative Permeability (Ksat) 0.0373 0.0107 0.0133
Soié Category 6 6 6

AUSTRALIAN SOIL INVESTIGATIONS 3 ASI Ref: 150105(A)