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Explosives Workers, Ordnance Handling Experts, and Blasters

SOC 47-5032.00Job Zone 2 · Some Preparationv.26.05

Context coveredThis framework covers explosives loading, detonation, fuse rigging, blast-site safety, drilling instruction, and regulatory recordkeeping in construction, quarry, and demolition environments calibrated to Job Zone 2 preparation and experience levels.

Sources:O*NET v30.2O*NET Resource Center — Occupational Information Network, v30.2 (Sept 2025). Opens in new tab.SkillsCrosswalkSkillsCrosswalk — O*NET enrichment + adjacency index. Opens in new tab.
Emerging
Entry / Apprentice
  1. Blast area boundaries — identify and mark using safety cones under direct supervisor guidance at a construction or quarry site.
  2. Explosive charge types — recognize and distinguish among dynamite, ammonium nitrate, and black powder when following written handling protocols.
  3. Blast hole depths — measure using weighted tape measures under close supervision at a drill site.
  4. Safety signals — perform worker-clearance signaling procedures following established site protocols before any detonation.
  5. Explosive materials records — assist in compiling gun and explosives logs under direction to meet local and federal compliance requirements.
  6. Tamping and packing procedures — follow step-by-step instructions to shovel drill cuttings and compact explosive charges in blast holes.
  7. Personal protective equipment — select and don required PPE correctly before entering any blast zone on a supervised work site.
  8. Delaying fuse lengths — cut and handle specified fuse segments under supervision while observing timed-sequence safety requirements.
  9. Drilling pattern markings — read and interpret charge-hole location diagrams issued by a lead blaster on a surface blasting site.
  10. Active listening and instruction-following — receive and confirm verbal safety directives from supervisors in a loud, high-hazard blasting environment.
Developing
Mid-level / Established
  1. Blast area assessments — examine charge locations and surrounding conditions routinely to verify compliance with safety laws at excavation or demolition sites.
  2. Explosive charge placement — insert and position charges in blast holes with reduced oversight, adjusting packing methods to match site soil or rock conditions.
  3. Delaying fuse patterns — tie specified fuse lengths into timed sequences independently to achieve planned explosion intervals on a multi-hole blast.
  4. Hole-depth measurements — measure and record drilled blast hole depths using weighted tape measures, flagging discrepancies for corrective action.
  5. Explosive loading calculations — apply basic mathematics to determine appropriate charge quantities based on assessed material type and blast area dimensions.
  6. Safety-zone coordination — set safety cones, monitor worker positions, and issue clearance signals without prompting before each detonation event.
  7. Explosives and gun records — compile and maintain compliant logs in spreadsheet or office software in accordance with local and federal regulations.
  8. Detonation operations — detonate explosive charges to loosen or displace earth, rock, or structures, following site-specific shot plans with moderate supervision.
  9. Drilling instructions — mark charge-hole patterns and depths on site drawings and communicate drilling instructions clearly to drill operators.
  10. Hazard monitoring — observe blast site conditions during and after detonation, identifying misfires or unexpected outcomes and reporting them to the shift supervisor.
Proficient
Senior / Expert IC
  1. Blast design evaluation — autonomously assess blast areas for complex terrain, structure proximity, and material variability to determine optimal explosive types and charge amounts.
  2. Non-routine misfire response — diagnose and safely resolve misfired charges using established protocols, exercising independent judgment in high-pressure demolition or quarry environments.
  3. Multi-sequence fuse architecture — engineer and tie intricate delay-fuse patterns to coordinate precise multi-stage detonation sequences for large-scale excavation or demolition projects.
  4. Charge placement in confined environments — execute explosive loading in structurally complex or restricted spaces, adapting packing and tamping techniques to non-standard conditions.
  5. Regulatory compliance management — independently compile, audit, and submit gun and explosives records to ensure full compliance with all applicable local and federal statutes.
  6. Drilling program direction — develop detailed drilling instructions, specifying hole patterns, angles, and depths for drill crews based on site geological assessments.
  7. CAD and GIS tool application — use computer-aided design and geographic information system software to model blast zones, optimize shot plans, and document spatial data.
  8. Critical problem-solving under time pressure — evaluate unexpected geological, structural, or environmental conditions mid-operation and adapt the blasting plan without compromising safety.
  9. Cross-functional coordination — collaborate with engineers, site supervisors, and equipment operators to integrate blasting schedules into overall project timelines on construction sites.
  10. Incident documentation and analysis — prepare detailed post-blast reports, analyze outcomes against planned parameters, and recommend process adjustments for future operations.
Advanced
Lead / Principal / Executive
  1. Organizational blasting standards — establish and continuously improve site-wide safety protocols, procedures, and training curricula for all explosives workers across multiple projects.
  2. Regulatory strategy and advocacy — interpret evolving federal and local explosives law, represent the organization in compliance audits, and guide policy updates for gun and explosives record systems.
  3. Workforce competency development — mentor and evaluate blasters at all skill levels, designing structured on-the-job learning pathways aligned with Job Zone 2 credential requirements.
  4. Complex demolition planning — lead full-scope blast design for high-risk or high-visibility projects, integrating engineering analysis, community impact assessment, and multi-agency coordination.
  5. Technology integration leadership — direct the adoption of analytical software, CAD platforms, and GIS tools across the blasting operation to improve precision and efficiency.
  6. Risk governance and decision authority — make final judgment calls on halting or modifying blast operations when safety, environmental, or regulatory conditions are unacceptable.
  7. Personnel resource management — allocate blasting crews, manage scheduling, and oversee performance of explosives handling teams across concurrent construction or extraction sites.
  8. Stakeholder and client communication — present blasting plans, risk assessments, and regulatory compliance status to project owners, government agencies, and community groups using professional presentation tools.
  9. Incident investigation and corrective action — lead post-incident investigations of blasting accidents or near-misses, identify root causes, and implement organization-wide corrective measures.
  10. Strategic planning for explosives operations — contribute to business-level decisions on equipment investment, subcontractor selection, and operational capacity to support long-term organizational growth in the blasting sector.

AI-at-Work Competency Framework

Sources:Anthropic Economic IndexAnthropic Economic Index — release_2026_03_24. Opens in new tab.Jadhav & Danve, 2026Skill Automation Feasibility Index — Jadhav & Danve, 2026 (arXiv:2604.06906). Opens in new tab.WEF Skills TaxonomyWEF Skills Taxonomy 2021 — Building a Common Language for Skills at Work. Opens in new tab.

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Sources:Pathsmith™ Durable SkillsPathsmith™ Durable Skills Framework — America Succeeds + CompTIA. Opens in new tab.O*NET v30.2O*NET Resource Center — Occupational Information Network, v30.2 (Sept 2025). Opens in new tab.
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Show O*NET source anchors58 anchors · skillscrosswalk.com

O*NET enrichment · skillscrosswalk.com

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Source anchors that ground each statement

Related titles
Aircraft Ordnance Technician · Ammunition and Explosives Handler · Blast Driller · Blast Hole Driller · Blast Setter · Blast Technician · Blaster · Blasting Clay Miner · Blasting Coal Miner · Blasting Contract Man · Blasting Contract Miner · Blasting Entry Specialist
RAPIDS apprenticeships
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O*NET skills
Active ListeningMonitoringJudgment and Decision MakingCritical ThinkingOperations MonitoringOperation and ControlComplex Problem SolvingTime ManagementSpeakingCoordinationReading ComprehensionActive LearningLearning StrategiesInstructingManagement of Personnel Resources
Knowledge domains
Public Safety and SecurityLaw and GovernmentMathematicsEngineering and TechnologyTransportationAdministration and ManagementCustomer and Personal ServiceEnglish LanguageMechanicalProduction and Processing
Abilities
Manual DexterityProblem SensitivityNear VisionInformation OrderingArm-Hand SteadinessDeductive ReasoningInductive ReasoningOral ComprehensionFinger DexterityOral Expression
Work styles
CautiousnessAttention to DetailStress ToleranceDependabilityIntegritySelf-Control
Technology
Computer aided design CAD softwareAnalytical or scientific softwareGeographic information systemMobile location based services softwareSpreadsheet softwareOffice suite softwareElectronic mail softwarePresentation softwareWord processing software
Tasks · seed anchors for statements
  1. Examine blast areas to determine amounts and kinds of explosive charges needed and to ensure that safety laws are observed.
  2. Tie specified lengths of delaying fuses into patterns in order to time sequences of explosions.
  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.
  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.
  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.
  6. Mark patterns, locations, and depths of charge holes for drilling, and issue drilling instructions.
  7. Compile and keep gun and explosives records in compliance with local and federal laws.
  8. Measure depths of drilled blast holes, using weighted tape measures.
CIP education codes
46.050446.050549.0202

Sources: O*NET v30.2 (CC BY 4.0), SkillsCrosswalk.com, LER.me®, Anthropic Economic Index, SAFI (Jadhav & Danve, 2026), WEF Skills Taxonomy 2021, Pathsmith™ Durable Skills Framework. © 2026 EBSCOed.