Safe Introduction of Electronic Detonators Your host... John Watson The Ensign-Bickford Company

Planning for their Safe Use Electronic Detonators... u u Introduction u u I.M.E. Activities u u Electronic Detonator/System Concepts u u Challenges and Opportunities

Institute of Makers of Explosives (I.M.E.)

I.M.E. & Electronic Detonators u u Safety Library Publications u u Electronic Detonator Committee u u Activity to Date – –Survey of Manufacturers – –New Additions to SLP 4 – –Forums

Fundamental Construction Differences Shock Tube Electric Igniter Delay Module Base Charge Electronic Delay Capacitor (Stored Energy) Shock TubeElectric Igniter Delay Elements Base Charge Pyrotechnic Delay

Basic Application Concepts

Factory Programmed (Fixed) Delay Periods Typically Two Wire Electric Tie -in Principles Coded Security Multiple Delay Periods Blast Machine Sequential Capability Typically Two Wire Electric Tie -in Principles Coded Security Multiple Delay Periods Blast Machine Sequential Capability

Field Programmed (Variable) Delay Periods Two Wire or Multi-Wired Digital / Coded Security One Millisecond Interval Delays Several Seconds (Maximum) Blast Machine Programming Hand-Held Programmers Blast Design Software Options Two Wire or Multi-Wired Digital / Coded Security One Millisecond Interval Delays Several Seconds (Maximum) Blast Machine Programming Hand-Held Programmers Blast Design Software Options

Fixed In - Hole Delay Interval Control Fixed In - Hole Delay Interval Control Five Wire Ribbon Wire Blast Machine & Controllers Series Tie In Plug In Connectors 32 Second In Hole Delay Pre Programmed Surface Controllers Five Wire Ribbon Wire Blast Machine & Controllers Series Tie In Plug In Connectors 32 Second In Hole Delay Pre Programmed Surface Controllers

Field Programmed Passive Programmed Field Programmed Passive Programmed Two Wire Blast Machine, Computer,Scanners Network Tie In Plug In Connectors Bar Code Reader Sequenced/Programmed Two Wire Blast Machine, Computer,Scanners Network Tie In Plug In Connectors Bar Code Reader Sequenced/Programmed

Shock Tube Leads Energy Transition Electronic Delay Standard Tie In Shock Tube Leads Energy Transition Electronic Delay Standard Tie In Shock Tube Initiated Factory Programmed 17ms

u u Added Blast Control u u Education of Blasters u u Understand Dynamics – –Better Blast Control u u Improved Flexibility u u Information u u Improved Economics u u Communication u u Information/Control Challenges / Opportunities u Added Complexity u Training Requirements u Environmental Limits –Temp/Pressure/Shock u Multiple User Interfaces u Dumb Intelligence u System Costs u Communication u Equipment

u u Frequency Control / PPV Control u u Large Open Pit Patterns -Casting/Long Delays u u Air Decking u u Multiple Decking - Minimal Delay Intervals u u Drifting - Standard Delays / Dual Delay Units u u Large Stope Blasting u u Smooth Wall Blasting u u Fragmentation Optimization u u Delay Period Re-Evaluation u u Frequency Control / PPV Control u u Large Open Pit Patterns -Casting/Long Delays u u Air Decking u u Multiple Decking - Minimal Delay Intervals u u Drifting - Standard Delays / Dual Delay Units u u Large Stope Blasting u u Smooth Wall Blasting u u Fragmentation Optimization u u Delay Period Re-Evaluation Mining / Blasting Opportunity

Safety Library Publication 4 SLP 4 WARNINGS and INSTRUCTIONS “ALWAYS and NEVERS”

Plan for their Safe Use ! Summary / Comments / Q&A Electronic Detonators...

Thanks to: I.M.E. Electronic Detonator Sub-Committee Mike Barber - Orica USA Ron Stewart - Orica Canada E.K. Skip Hurley - Dyno Nobel John Capers - Austin Powder Company Bob McClure - Daveyfire Inc. Rajeev Singhal - Senex Explosives, Inc. Mick Lownds - Viking Explosives Carl Lubbe - St. Lawrence Explosives Dave Leidel - Halliburton Inc. Lon Santis - I.M.E. John Watson - The Ensign-Bickford Company