Shotfirers and blasters
South Africa Shotfirers and blasters, position, assemble, and detonate explosives at mining, quarrying and demolition sites.
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Tasks
- (a) ensuring workplace safety and explosives handling, storage and transport procedures and regulations are followed
- (b) planning and giving instructions for the lay out, depth and diameter of blast holes
- (c) checking depth and cleanliness of blast holes
- (d) determining quantity and type of explosives to be used
- (e) loading explosives into blast holes
- (f) assembling, or directing other workers to assemble, primer charges using detonators and explosive cartridges, and attaching electrical wires, fuses and detonating cords to primers
- (g) connecting wires, fuses and detonator cords into series, testing electrical circuits and repairing malfunctions, and connecting series to blasting machines
- (h) covering charges, filling blast holes with rock dust, sand and other materials, and tamping material to compact charges
- (i) ensuring all explosives are detonated, and reporting and attending to misfires
- (j) declaring blast areas safe after detonation of explosives
- (k) compiling and maintaining records about usage of explosives in compliance with laws and regulations
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