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Explosives Workers, Ordnance Handling Experts, and Blasters

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.

Tasks
27 tasks18 core, 4 supplemental, 5 not rated
Family
Construction & ExtractionOne of its 65 occupations
Code
47-5032.00SOC 2018: 47-5032

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What the work is made of

18 core tasks, 4 supplemental and 5 not rated, each quoted as published, with where it came from.

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Core: central to the jobSupplemental: done by some, not allNot rated: O*NET has not rated it core or supplemental

  1. Task 1. Examine blast areas to determine amounts and kinds of explosive charges needed and to ensure that safety laws are observed.Core taskTask 9904Rated by 24 occupational experts, June 2006
  2. Task 2. Tie specified lengths of delaying fuses into patterns in order to time sequences of explosions.Core taskTask 9905Rated by 21 occupational experts, June 2006
  3. Task 3. 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.Core taskTask 9906Rated by 23 occupational experts, June 2006
  4. Task 4. 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.Core taskTask 9907Rated by 23 occupational experts, June 2006
  5. Task 5. 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.Core taskTask 9908Rated by 22 occupational experts, June 2006
  6. Task 6. Mark patterns, locations, and depths of charge holes for drilling, and issue drilling instructions.Core taskTask 9909Rated by 23 occupational experts, June 2006
  7. Task 7. Compile and keep gun and explosives records in compliance with local and federal laws.Core taskTask 9910Rated by 23 occupational experts, June 2006
  8. Task 8. Measure depths of drilled blast holes, using weighted tape measures.Core taskTask 9911Rated by 22 occupational experts, June 2006
  9. Task 9. Connect electrical wire to primers, and cover charges or fill blast holes with clay, drill chips, sand, or other material.Core taskTask 9912Rated by 24 occupational experts, June 2006
  10. Task 10. Lay primacord between rows of charged blast holes, and tie cord into main lines to form blast patterns.Core taskTask 9913Rated by 22 occupational experts, June 2006
  11. Task 11. Assemble and position equipment, explosives, and blasting caps in holes at specified depths, or load perforating guns or torpedoes with explosives.Core taskTask 9914Rated by 24 occupational experts, June 2006
  12. Task 12. Verify detonation of charges by observing control panels, or by listening for the sounds of blasts.Core taskTask 9915Rated by 24 occupational experts, June 2006
  13. Task 13. Move and store inventories of explosives, loaded perforating guns, and other materials, according to established safety procedures.Core taskTask 9916Rated by 24 occupational experts, June 2006
  14. Task 14. Light fuses, drop detonating devices into wells or boreholes, or activate firing devices with plungers, dials, or buttons, in order to set off single or multiple blasts.Core taskTask 9917Rated by 22 occupational experts, June 2006
  15. Task 15. Drive trucks to transport explosives and blasting equipment to blasting sites.Core taskTask 9918Rated by 24 occupational experts, June 2006
  16. Task 16. Cut specified lengths of primacord and attach primers to cord ends.Core taskTask 9919Rated by 22 occupational experts, June 2006
  17. Task 17. Maintain inventory levels, ordering new supplies as necessary.Core taskTask 9920Rated by 24 occupational experts, June 2006
  18. Task 18. Repair and service blasting, shooting, and automotive equipment, and electrical wiring and instruments, using hand tools.Core taskTask 9922Rated by 24 occupational experts, June 2006
  19. Task 19. Set up and operate short-wave radio or field telephone equipment to transmit and receive blast information.Supplemental taskTask 9923Rated by 23 occupational experts, June 2006
  20. Task 20. Insert waterproof sealers, bullets, and/or powder charges into guns, and screw gun ports back into place.Supplemental taskTask 9924Rated by 23 occupational experts, June 2006
  21. Task 21. Clean, gauge, and lubricate gun ports.Supplemental taskTask 9925Rated by 23 occupational experts, June 2006
  22. Task 22. Lower perforating guns into wells, using hoists; then use measuring devices and instrument panels to position guns in correct positions for taking samples.Supplemental taskTask 9927Rated by 23 occupational experts, June 2006
  23. Task 23. Create and lay out designs for drill and blast patterns.Not ratedTask 23490Listed by O*NET analysts, November 2020
  24. Task 24. Document geological formations encountered during work.Not ratedTask 23491Listed by O*NET analysts, November 2020
  25. Task 25. Operate machines to flush earth cuttings or to blow dust from holes.Not ratedTask 23492Listed by O*NET analysts, November 2020
  26. Task 26. Set up and operate equipment such as hoists, jackhammers, and drills, in order to bore charge holes.Not ratedTask 23493Listed by O*NET analysts, November 2020
  27. Task 27. Signal crane operators to move equipment.Not ratedTask 23494Listed by O*NET analysts, November 2020

Where this comes from

Quoted from the U.S. Department of Labor, and credited. Nothing on this page is written by us.

How we copy and credit sources
  1. Published by
    O*NET 29.0, U.S. Department of LaborEmployment and Training Administration
  2. Classification
    Standard Occupational Classification 2018, 47-5032
  3. License
    CC BY 4.0Free to copy and reuse, with credit
  4. Changed by us
    Nothing.

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