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TERRAMIN AUSTRALIA Limited

TERRAMIN AUSTRALIA Limited. Angas Zinc Project. The Angas Zinc Project: Vegetation and visual impact. The aim of this presentation is to provide stakeholders with a clear image of the process and outcomes of the Angas Zinc Project with respect to vegetation & visual amenity related issues

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TERRAMIN AUSTRALIA Limited

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  1. TERRAMIN AUSTRALIA Limited Angas Zinc Project

  2. The Angas Zinc Project: Vegetation and visual impact • The aim of this presentation is to provide stakeholders with a clear image of the process and outcomes of the Angas Zinc Project with respect to vegetation & visual amenity related issues • Current condition: vegetation, visual impact • Proposed development: changes to current vegetation lay out, proposed structural changes to site

  3. The Angas Zinc Project: Vegetation and visual impact • The construction of a mine will inevitably change the visual landscape of the site. • The goal is to achieve a positive visual impact during operations and on closure

  4. Vegetation survey • Matt Rose: Natural State • Experienced native vegetation specialist, locally based • Recognised expertise in survey, cultivation, planting & maintenance of native vegetation

  5. Revegetation Domains

  6. Effluent ponds/Tuckers Swamp(Northern Domain) • No operational impact on this Domain • Effluent ponds/Tuckers Swamp • Significant remnant habitat: River Red Gums, Lignum shrub • To be preserved in current condition

  7. Operating Domains(Central & Southern) Current quarry/proposed box cut, plant and TSF • Site vegetation - severely degraded with respect to natural condition • Broad-acre cropping – TSF area • Majority of vegetation introduced, weeds • Small remnant vegetation patches; native grasses • Only significant trees: Dryland Tea Trees

  8. Significant vegetation

  9. Habitat quality of existing vegetation

  10. Habitat quality of existing vegetation

  11. Habitat quality of existing vegetation

  12. Revegetation Objective • Objectives (short & long term) • Significant increase environmental benefit (SEB) • Remove feral habitat • Significantly reduce noise, dust • Improve habitat quality • Increase biodiversity • Significantly improve visual amenity

  13. Revegetation Program • Contouring sound barriers to merge • Revegetation planning • What and when to plant; Matt Rose • Commence before construction starts • Ongoing for life of mine • Included in closure planning • Total of 6,615 new plants

  14. Revegetation program Highlighted areas are the domain based plans for the revegetation plan

  15. Vegetation outcome • Outcome • Avoid loss of biodiversity through clearance of native vegetation. Significant environmental benefit (SEB) will be provided to increase biodiversity • Criteria • Periodic (at least annual) photographic evidence for specified photo monitoring sites will show no clearance of native vegetation. If vegetation is cleared, SEB will be provided in accordance with approved Native Vegetation Council guidelines

  16. Visual amenity

  17. Visual amenity- current site

  18. Current site

  19. Artists impression

  20. Artist impression

  21. Artist impression

  22. Visual amenity • Minimising impacts of proposed structures • Placement & design of all structures is being developed to minimise impact on visual amenity • Placement in box cut, low lying ground • Infrastructure painted in neutral (green) tones • Revegetation planning, bunding • Night lighting focused down • Topsoil stockpiles <2.5m • Waste rock stockpiles <10m

  23. Visual amenity • The TSF is the most difficult structure to “hide”. Revegetation begins day 1 • Measures to mitigate include: • Use of low lying ground to reduce height relative to undisturbed ground • TSF capping trials start Year 1

  24. Artists impression: TSF Closure

  25. Visual amenity: Outcome • Outcome • improve visual impact & amenity of site • Criteria • photo monitoring points to indicate visual amenity of site improved relative to initial condition; monitoring points to be determined in consultation with the CCC

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