Four-Day Hands-On Underground Drill and Blast Training - October 2025
Early Bird 5% Discount Valid Until July 6, 2025. Payment can be made through our website or by purchase order. Please contact Nathan at nathan@tbredblast.com if you prefer another transaction method.
Click HERE to download the course flyer PDF.
General Information
October 6-10, 2025
Missouri S&T Experimental Mine and Mine Building, 12350 Spencer Rd, Rolla, MO 65401
Hotel room block to be determined
4-day course with 4 hours classroom and 4 hours underground hands-on activities each day
Hands-On Activities
Sympathetic detonation and deadpressing
Detonator accuracy and spray pattern
Impact of stemming on face movement and optimum timing
Full development round design, instrumentation, and data analysis
and much more!
Classroom Topics
Underground explosives and performance characteristics
Foundational underground blasting concepts
Underground blast design calculations
Development blasting overview and design methodologies
Longhole blasting overview and design methodologies
Raise, slot, and ore pass design
Underground delay timing and sequencing
Geologic considerations
Perimeter control
Overbreak, underbreak, dilution, and recovery
Troubleshooting and continuous improvement
Early Bird 5% Discount Valid Until July 6, 2025. Payment can be made through our website or by purchase order. Please contact Nathan at nathan@tbredblast.com if you prefer another transaction method.
Click HERE to download the course flyer PDF.
General Information
October 6-10, 2025
Missouri S&T Experimental Mine and Mine Building, 12350 Spencer Rd, Rolla, MO 65401
Hotel room block to be determined
4-day course with 4 hours classroom and 4 hours underground hands-on activities each day
Hands-On Activities
Sympathetic detonation and deadpressing
Detonator accuracy and spray pattern
Impact of stemming on face movement and optimum timing
Full development round design, instrumentation, and data analysis
and much more!
Classroom Topics
Underground explosives and performance characteristics
Foundational underground blasting concepts
Underground blast design calculations
Development blasting overview and design methodologies
Longhole blasting overview and design methodologies
Raise, slot, and ore pass design
Underground delay timing and sequencing
Geologic considerations
Perimeter control
Overbreak, underbreak, dilution, and recovery
Troubleshooting and continuous improvement
Early Bird 5% Discount Valid Until July 6, 2025. Payment can be made through our website or by purchase order. Please contact Nathan at nathan@tbredblast.com if you prefer another transaction method.
Click HERE to download the course flyer PDF.
General Information
October 6-10, 2025
Missouri S&T Experimental Mine and Mine Building, 12350 Spencer Rd, Rolla, MO 65401
Hotel room block to be determined
4-day course with 4 hours classroom and 4 hours underground hands-on activities each day
Hands-On Activities
Sympathetic detonation and deadpressing
Detonator accuracy and spray pattern
Impact of stemming on face movement and optimum timing
Full development round design, instrumentation, and data analysis
and much more!
Classroom Topics
Underground explosives and performance characteristics
Foundational underground blasting concepts
Underground blast design calculations
Development blasting overview and design methodologies
Longhole blasting overview and design methodologies
Raise, slot, and ore pass design
Underground delay timing and sequencing
Geologic considerations
Perimeter control
Overbreak, underbreak, dilution, and recovery
Troubleshooting and continuous improvement