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 1

2. Kinross Gold Discussion points:
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
Discussion points:
Kinross Gold, based in Toronto Canada, & has portfolio of nine mines located in four key regions: South America, North America, West Africa and Russia.
In 2012, Kinross produced approximately 2.65M gold-equivalent ounces
Kinross employs approximately 9,000 worldwide.
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
Located in Nye County, approximately 400 Kilometers North West of Las Vegas Nevada
Employs approximately 900 people 3

4. Purpose of Slope Monitoring

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

6. South Ramp Failure Looking Southeast South Haul Road Alluvial Failure
Back Break Structure
Alluvial Failure
Rock Failure
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 Customized Access to Database Tables
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. Terrestrial Displacement Chart
Trimble 4D Control Software
GNSS Scatter Plot
Terrestrial Displacement Chart

13. Web Interface Functionality

14. Historical Data Integration
Before
After
Average Amplitude
0.70 ft
0.13 ft
Measurements/day/prism 4 11

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