Occupation information for Explosives Workers, Ordnance Handling Experts, and Blasters District Of Columbia

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description

Place and detonate explosives to demolish structures or to loosen, remove, or displace earth, rock, or other materials. May perform specialized handling, storage, and accounting procedures.

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details

Currently Employed: Not Available

Projected Annual Job Openings: Not Available

Typical Hourly Wage: Not Available

Typical Annual Salary: Not Available

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typical training

Typical education needed for entry: High school diploma or equivalent

Typical work experience needed for a job in this occupation: Less than 5 years work experience

Typical on-the-job training once you have a job in this occupation: More than 1 year on-the-job training

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typical job duties
  • Examine blast areas to determine amounts and kinds of explosive charges needed and to ensure that safety laws are observed.
  • Tie specified lengths of delaying fuses into patterns in order to time sequences of explosions.
  • Place safety cones around blast areas to alert other workers of danger zones, and signal workers as necessary to ensure that they clear blast sites prior to explosions.
  • Place explosive charges in holes or other spots; then detonate explosives to demolish structures or to loosen, remove, or displace earth, rock, or other materials.
  • Insert, pack, and pour explosives, such as dynamite, ammonium nitrate, black powder, or slurries into blast holes; then shovel drill cuttings, admit water into boreholes, and tamp material to compact charges.
  • Compile and keep gun and explosives records in compliance with local and federal laws.
  • Mark patterns, locations, and depths of charge holes for drilling, and issue drilling instructions.
  • Measure depths of drilled blast holes, using weighted tape measures.
  • Connect electrical wire to primers, and cover charges or fill blast holes with clay, drill chips, sand, or other material.
  • Lay primacord between rows of charged blast holes, and tie cord into main lines to form blast patterns.
tools & technology
Tools:
  • Cargo trucks
  • Core drills
  • Detonators
  • Grab hooks
  • Voltage or current meters

Technology:
  • Analytical or scientific software
  • Computer aided design CAD software
  • Electronic mail software
  • Geographic information system
  • Mobile location based services software
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