(Career Asssessments, Exploration & Counselling)
Career: Explosives Workers, Ordnance Handling Experts, and Blasters
Job 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. Includes seismograph shooters.
Job Tasks
Importance %age |
Task Description |
100
|
Examine blast areas to determine amounts and kinds of explosive charges needed and to ensure that safety laws are observed. |
100
|
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. |
100
|
Connect electrical wire to primers, and cover charges or fill blast holes with clay, drill chips, sand, or other material. |
100
|
Move and store inventories of explosives, loaded perforating guns, and other materials, according to established safety procedures. |
100
|
Drive trucks to transport explosives and blasting equipment to blasting sites. |
96
|
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. |
96
|
Mark patterns, locations, and depths of charge holes for drilling, and issue drilling instructions. |
96
|
Assemble and position equipment, explosives, and blasting caps in holes at specified depths, or load perforating guns or torpedoes with explosives. |
96
|
Maintain inventory levels, ordering new supplies as necessary. |
95
|
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. |
95
|
Measure depths of drilled blast holes, using weighted tape measures. |
92
|
Verify detonation of charges by observing control panels, or by listening for the sounds of blasts. |
87
|
Compile and keep gun and explosives records in compliance with local and federal laws. |
82
|
Lay primacord between rows of charged blast holes, and tie cord into main lines to form blast patterns. |
82
|
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. |
82
|
Cut specified lengths of primacord and attach primers to cord ends. |
76
|
Tie specified lengths of delaying fuses into patterns in order to time sequences of explosions. |
75
|
Repair and service blasting, shooting, and automotive equipment, and electrical wiring and instruments, using hand tools. |
74
|
Set up and operate equipment such as hoists, jackhammers, or drills, in order to bore charge holes. |
52
|
Set up and operate short-wave radio or field telephone equipment to transmit and receive blast information. |
30
|
Lower perforating guns into wells, using hoists; then use measuring devices and instrument panels to position guns in correct positions for taking samples. |
27
|
Repair electrical instruments, using electricians' hand tools. |
26
|
Insert waterproof sealers, bullets, and/or powder charges into guns, and screw gun ports back into place. |
26
|
Clean, gauge, and lubricate gun ports. |
26
|
Signal hoist operators to lower torpedoes or sample-taking guns into wells and to raise equipment for sampling from blast holes after detonation. |
22
|
Connect gun chambers to electric detonating devices, and operate controls at panelboards, in order to detonate charges in guns or to ignite chemical charges. |
22
|
Insert powder charges into chambers of sidewall sample-taking cylinders, and assemble cylinders, using special wrenches. |
22
|
Obtain samples of earth from sidewalls of well boreholes, using electrically exploding devices. |
22
|
Observe odometers, weight indicators, and instrument panels in trucks in order to position guns at predetermined points in wells. |
Work Activities
Importance %age |
Activity Description |
85
|
Handling and Moving Objects
|
77
|
Making Decisions and Solving Problems
|
77
|
Performing General Physical Activities
|
76
|
Updating and Using Relevant Knowledge
|
74
|
Monitor Processes, Materials, or Surroundings
|
73
|
Evaluating Information to Determine Compliance with Standards
|
72
|
Organizing, Planning, and Prioritizing Work
|
70
|
Identifying Objects, Actions, and Events
|
69
|
Controlling Machines and Processes
|
68
|
Inspecting Equipment, Structures, or Material
|
67
|
Getting Information
|
67
|
Judging the Qualities of Things, Services, or People
|
66
|
Scheduling Work and Activities
|
65
|
Processing Information
|
63
|
Communicating with Supervisors, Peers, or Subordinates
|
63
|
Training and Teaching Others
|
63
|
Coordinating the Work and Activities of Others
|
62
|
Coaching and Developing Others
|
61
|
Guiding, Directing, and Motivating Subordinates
|
60
|
Estimating the Quantifiable Characteristics of Products, Events, or Information
|
60
|
Establishing and Maintaining Interpersonal Relationships
|
59
|
Monitoring and Controlling Resources
|
59
|
Thinking Creatively
|
59
|
Documenting/Recording Information
|
58
|
Analyzing Data or Information
|
57
|
Repairing and Maintaining Mechanical Equipment
|
55
|
Operating Vehicles, Mechanized Devices, or Equipment
|
54
|
Performing Administrative Activities
|
54
|
Developing and Building Teams
|
53
|
Communicating with Persons Outside Organization
|
53
|
Resolving Conflicts and Negotiating with Others
|
52
|
Performing for or Working Directly with the Public
|
49
|
Provide Consultation and Advice to Others
|
46
|
Developing Objectives and Strategies
|
40
|
Interpreting the Meaning of Information for Others
|
39
|
Assisting and Caring for Others
|
39
|
Staffing Organizational Units
|
38
|
Drafting, Laying Out, and Specifying Technical Devices, Parts, and Equipment
|
38
|
Interacting With Computers
|
37
|
Selling or Influencing Others
|
33
|
Repairing and Maintaining Electronic Equipment
|