Original EA Amendment

Rehabilitation

Final Land Use

Land Suitability Objective

Mine Feature

Horse Paddock Dump

Airfield Dump

Completely backfilled. PAF waste rock and tailings transferred from stockpiles to void. Water removed. Dry cover – store and release. Drainage system constructed Completely backfilled with tailings. PAF waste rock exposed during construction transferred to void. Water removed from surface. Dry cover – store and release installed. Drainage system constructed

Land management monitoring and maintenance of rehabilitated areas

Sandstone Gully TSF

Native Ecosystem

Class 4

Upper Mundic Gully TSF

Reshape and rehabilitate

Land management monitoring and maintenance of rehabilitated areas

Powerline

Backfill exploration holes. Replace vegetation

Surface Exploration

Reshape & rehabilitate

Roads

Justification for the changes described in Table 9 are as follows:

• Inclusion of the Upper Mundic Gully TSF in Table H12 is required to provide central points of

the regulated structure.

Table 9. Proposed Table H1 Replacement

Central Points

Regulated Structure

Latitude

Longitude

(GDA 94)

(GDA 94)

Sandstone Gully Tailings Storage Facility

-23.64196

150.36510

Upper Mundic Gully Tailings Storage Facility

-23.62970

150.35353

Justification for changes described in Table 10 are as follows:

• Updating the maximum volume of Sandstone Gully TSF as justified in Section 2.2.3;

• Removing reference to “Cyanide” as referencing “Tailings” is sufficient to the purposes of

describing the regulated structure; and

• Inclusion of the Upper Mundic Gully TSF in Table H2 is required to authorise the consequence

category, maximum surface area, maximum volume and purpose.

43

Wulguru Technical Services Pty Ltd – Supporting Information Report

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