4.
Upper Mundic Gully Environmental Value Description
51
4.1
Upper Mundic Gully Location and Catchment Description
51
4.2 4.3 4.4
Topography and Drainage
55 60
Ephemeral Dam Water Quality
Dam 8 Description and Environmental Values
61
5.
Proposed TSF
63
5.1
Basis of Design
68 69
5.2 5.3
Ancillary Infrastructure
Dam Break and Consequence Category Assessment
71 71
5.3.1
Failure mechanisms
5.3.2
Consequence Category Assessment
72 76
5.4 5.5 5.6 5.7 5.8 5.9
Tailings and Water Management
Deposition Volumes
77
Decant Pond
80 80 80 84 85 85 88 90 92 92 94 96 97 98
Liner Requirements
Embankment Design and Geotechnical Considerations
Seepage Management
5.9.1
Seepage plan limitations
5.9.2
Seepage management Stage 1
5.10
Tunnel Management
5.11
Flood Potential
5.12 5.13 5.14
Clean Water Diversion
Potential impacts of future deposition expansion
Process Plant Flow Sheet
5.14.1
Tailings Geochemical Characterisation
5.15 5.16
Spillway design
Compliance with existing EA conditions
6.
Environmental Setting and Considerations
99
6.1
Climate Geology
99 101
6.2 6.3 6.4
Soils
103 104 104 104 106 109
Bioregion and subregion
6.4.1
Land Zones
6.5 6.6
Hydrology
Site Hydrogeology
6.6.1
Recent investigations
Project number: 25B061
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