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Prepared by Richard Musselman Operations Support Engineer Round Mountain Gold Corporation

Using Trimble 4D Control for High Wall Monitoring at Round Mountain Gold Corporation. Prepared by Richard Musselman Operations Support Engineer Round Mountain Gold Corporation. Kinross Gold. Dvoinoye, Russia Kupol, Russia. Fort Knox Fairbanks, AK, USA. Kettle River – Buckhorn

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Prepared by Richard Musselman Operations Support Engineer Round Mountain Gold Corporation

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  1. Using Trimble 4D Control for High Wall Monitoring at Round Mountain Gold Corporation Prepared by Richard Musselman Operations Support Engineer Round Mountain Gold Corporation

  2. Kinross Gold Dvoinoye, Russia Kupol, Russia Fort Knox Fairbanks, AK, USA Kettle River – Buckhorn Republic, WA, USA K Corporate Offices Toronto, ON, Canada Round Mountain, NV, USA Tasiast, Mauritania Chirano, Ghana Fruta del Norte, Ecuador Paracatu, Brazil Lobo-Marte, Chile La Coipa, Chile Maricunga, Chile

  3. Round Mountain Gold Corporation • Joint Venture with Barrick Gold Corporation (50:50) • Conventional Open Pit Mining

  4. Purpose of Slope Monitoring

  5. NE Highwall–T1/T2 Failure Round Mtn Prior to Pit Expansion Mining Looking Northeast “Slip Face” Looking Northeast

  6. South Ramp Failure South Haul Road Alluvial Failure Rock Failure Back Break Structure Toe Heave Looking Southeast

  7. Damage to South Haul Road Looking Southeast

  8. Solution • 2 - Trimble S8 1” Robotic, DR HP, Long Range Instruments • 6 – Trimble NetR9 Ti-1 Reference Stations • 1 –Trimble 4D Control Software v3.0 with various licenses (Upgraded to v4.1 in March 2013)

  9. Monitoring Strategy Trimble Data Storage Server Trimble SQL Server Database Customized Access to Database Tables Wireless Mine Network Post Processing • Trimble 4D Control Server • Post Processing • RTK • Terrestrial Control Application Reports Web Based Reports Report Generator Application Threshold Alerts

  10. Mobile Slope Monitoring Station

  11. Monitoring Strategy–Field Configuration

  12. Trimble 4D Control Software GNSS Scatter Plot Terrestrial Displacement Chart

  13. Web Interface Functionality http://rmo-sql-02/t3dweb

  14. Historical Data Integration

  15. Why is slope monitoring valuable?

  16. Protect Property? 3 electric shovels 14 haul trucks

  17. Maintain Production?

  18. Putting People First Rigorous Financial Discipline High Performance Culture Outstanding Corporate Responsibility

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