12 February 2020
20137096-009 Rev A
Figure 1: Proposed TSF layout - red-dashed line shows catchment to RL 335 m.
3.2
Design parameters
The design parameters and criteria adopted for the concept level design of the TSF are summarised in Table 1.
Table 1: Design parameters and criteria summary
Parameter
Design Input
Reference
Storage Requirement
12 to 36 Mt (9 to 27 Mm 3 )
TSF storage capacity
HML
Tailings Characteristics
1.35 t/m 3
Average tailings settled dry density
Assumed
Beach slope
0.5%
Assumed
Stage storage curve
Figure 2
Foundation Condition
Soil/Tailings
3 m of tailings within the gully (TBC)
Assumed
Bedrock
TBC
Stockpile
Location and thickness TBC
Embankment Design
Embankment raising technique
Downstream (towards pit)
6
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