Prominent Hill Paste Backfill Project

Scope of Work

GR Engineering was awarded a design and construct contract by Oz Minerals to supply a continuous production paste backfill plant for the Prominent Hill copper-gold mine.

The paste plant is designed to cyclone a proportion of the copper-gold plant tailings to provide a suitable paste plant feed and then filter and repulp the tailings in a controlled fashion with cement. The plant has a design throughput rate of 146 dry t/h of tailings at a paste feed of 77% solids to produce 90 m³/h of paste.

GR Engineering is using the Solid Edge 3D CAD drafting package to model and design the paste plant which enables a high level of review from all discipline and process engineers to ensure design errors, omissions and clashes are eliminated to the maximum extent prior to fabrication and installation.

Structural, mechanical, piping and electrical installations will be completed and managed on site by GR Engineering direct hired personnel. Earthworks and civil installations will be subcontracted to third parties and managed by GR Engineering supervisors.

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Prominent Hill Paste Backfill Project

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Summary

  • Client Oz Minerals Pty Ltd (ASX:OZL)

  • Award Date May 2011

  • Completion Date December 2011

  • Location 650 km north west of Adelaide and approximately 130 km south east of Coober Pedy in South Australia

  • Project Manager Dan Gregory

  • Process Manager Bill Gosling

  • Process Type Brownfields, EPC lump sum