7542-Shotfirers and blasters

Tasks include

• ensuring workplace safety and explosives handling, storage and transport procedures and regulations are followed
• planning and giving instructions for the lay out, depth and diameter of blast holes
• checking depth and cleanliness of blast holes
• determining quantity and type of explosives to be used
• loading explosives into blast holes
• assembling, or directing other workers to assemble, primer charges using detonators and explosive cartridges, and attaching electrical wires, fuses and detonating cords to primers
• connecting wires, fuses and detonator cords into series, testing electrical circuits and repairing malfunctions, and connecting series to blasting machines
• covering charges, filling blast holes with rock dust, sand and other materials, and tamping material to compact charges
• ensuring all explosives are detonated, and reporting and attending to misfires
• declaring blast areas safe before and after detonation of explosives
• compiling and maintaining records about usage of explosives in compliance with laws and regulations.