Resume drillers blasters surface mining quarrying construction
Entry to Canada. Search this site. Unit Group Drillers and Blasters — Surface Mining, Quarrying and Construction Drillers in this unit group operate mobile drilling machines to bore blast holes in open-pit mines and quarries and to bore holes for blasting and for building foundations at construction sites. Blasters in this unit group fill blast holes with explosives and detonate explosives to dislodge coal, ore and rock or to demolish structures. They are employed by mining, quarrying and construction companies and by drilling and blasting contractors. Blasters in this unit group perform some or all of the following duties: Read instructions or diagrams, lay out drill pattern and determine depth and diameter of blast holes and conduct field tests to determine type and quantity of explosives required Assemble or direct other workers to assemble primer charges using selected detonators, fuses, detonating cords and other materials Load explosives in blast holes by hand or direct movement of bulk explosives trucks to load holes Connect electrical wires, detonating cords or fuses into series and connect series to blasting machines; press handle or button to detonate charges Handle, store and transport explosives and accessories in accordance with regulations and ensure that safety procedures are observed May operate air-track, rotary, down-the-hole or other drilling machines to drill blast holes or may direct drilling of blast holes.
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Blasters place explosives in blast holes and detonate explosives to dislodge coal, ore, and rock, and to demolish structures. Construction - Primary metal manufacturing - Wholesale trade - 6. Mining except oil and gas - 6. Transportation and warehousing - 5. Fabricated metal product manufacturing - 4.