1
Prepared by
Richard MusselmanOperations Support EngineerRound Mountain Gold Corporation
Using Trimble 4D Control for High Wall Monitoring at Round Mountain Gold Corporation
2
Round Mountain, NV, USA
Kettle River – BuckhornRepublic, WA, USA
Dvoinoye, RussiaKupol, RussiaFort Knox
Fairbanks, AK, USA
Tasiast, Mauritania
Lobo-Marte, ChileLa Coipa, Chile
Maricunga, Chile
Fruta del Norte, Ecuador
Chirano, Ghana
Paracatu, Brazil
KCorporate Offices
Toronto, ON, Canada
Kinross Gold
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 FailureLooking Northeast
Looking Northeast
“Slip Face”
Round MtnPrior to Pit Expansion
Mining
6
South Ramp Failure
South Haul Road
Back Break Structure
Alluvial Failure
Rock Failure
Toe HeaveLooking 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
Control Application ReportsWeb Based ReportsReport Generator ApplicationThreshold Alerts
Customized Accessto Database Tables
PostProcessing
WirelessMine
Network
TrimbleSQL ServerDatabase
TrimbleData
StorageServer
Trimble 4D Control Server•Post Processing•RTK•Terrestrial
10
Mobile Slope Monitoring Station
11
Monitoring Strategy–Field Configuration
12
Trimble 4D Control Software
Terrestrial Displacement Chart
GNSS Scatter Plot
13http://rmo-sql-02/t3dweb
Web Interface Functionality
14
Before After
Average Amplitude 0.70 ft 0.13 ft
Measurements/day/prism 4 11
Historical Data Integration
15
Why is slope monitoring valuable?
16
3 electric shovels14 haul trucks
Protect Property?
17
Maintain Production?
18
Putting People First
Rigorous Financial Discipline High Performance Culture
Outstanding Corporate Responsibility
