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7372.2 – Blasters - surface mining, quarrying and construction

Blasters in this group fill blast holes with explosives and detonate explosives to dislodge coal, ore and rock or to demolish structures.

Profile

Example titles Help

  • Construction blaster
  • Open-pit blaster

Main characteristics Help

  • General learning ability to understand and apply the principles, techniques and safety regulations that apply to the use, handling and firing of explosives
  • Spatial perception and Form perception to read instructions and diagrams, to lay out drill patterns and to determine depth and diameter of blast holes
  • Motor co-ordination and Finger dexterity and Manual dexterity to load explosives in blast holes by hand, to press handles or buttons to detonate charges, to handle, store and transport explosives and accessories according to regulations, and to ensure that safety procedures are followed
  • Objective interest in precision working to connect electrical wires, detonating cords and fuses into series, and to connect the series to blasting machines; may operate air-track, rotary, down-the-hole and other drilling machines
  • Innovative interest in analyzing information to conduct field tests to determine the type and quantity of explosives required
  • Directive interest in speaking - signaling to direct workers in assembling primer charges using selected detonators, fuses, detonating cords and other materials, and to direct bulk-explosive trucks to load holes; may direct drilling of blast holes

Aptitudes Help

One of five levels assigned for each factor, with levels representing normal curve distribution of the labour force:

G
General learning ability
V
Verbal ability
N
Numerical ability
S
Spatial perception
P
Form perception
Q
Clerical perception
K
Motor co-ordination
F
Finger dexterity
M
Manual dexterity

Levels legend
  1. The highest 10% of the working population
  2. Upper third, exclusive of the highest 10%
  3. Middle third of the working population
  4. Lowest third, exclusive of the lowest 10%
  5. Lowest 10% of the working population

An individual's overall capacity to learn the skills needed to perform job duties is based on his or her specific aptitudes for acquiring information and transforming it into action.

General learning ability G-3

Ability to 'catch on' or understand instructions and underlying principles; to reason and make judgments.

Verbal ability V-4

Ability to understand the meaning of words and the ideas associated with them, and to use them effectively; to comprehend language, to understand relationships between words and to understand the meaning of whole sentences and paragraphs; to present information or ideas clearly.

Numerical ability N-4

Ability to carry out arithmetical processes quickly and accurately.

Spatial perception S-3

Ability to think visually about geometric forms and comprehend the two dimensional representation of three dimensional objects; to recognize the relationships resulting from the movement of objects in space. May be used in such tasks as blueprint reading and in solving geometry problems. Frequently described as the ability to 'visualize' objects of two or three dimensions.

Form perception P-3

Ability to perceive pertinent detail in objects and in pictorial and graphic material; to make visual comparisons and discriminations and to see slight differences in shapes and shadings of figures and widths and lengths of lines.

Clerical perception Q-4

Ability to perceive pertinent detail in verbal or tabular material; to observe differences in copy, to proofread words and numbers, and to avoid perceptual errors in arithmetical computation.

Motor co-ordination K-3

Ability to co-ordinate eyes, hands and fingers rapidly and accurately when required to respond with precise movements.

Finger dexterity F-3

Ability to move the fingers and manipulate small objects with the fingers rapidly and/or accurately.

Manual dexterity M-3

Ability to move the hands easily and skillfully; to work with the hands in placing and turning motions.

Interests Help

Three of five descriptive factors, assigned in order of predominance and lower case rating indicating weaker representation:

D
Directive
I
Innovative
M
Methodical
O
Objective
S
Social

Objective O

Objective persons enjoy working with tools, equipment, instruments and machinery. They like to repair and/or fabricate things from various materials according to specifications and using established techniques. Objective persons are interested in finding out how things operate and how they are built.

Innovative I

Innovative persons like to explore things in depth and arrive at solutions to problems by experimenting. They are interested in initiating and creating different ways to solve questions and present information. They enjoy scientific subjects. Innovative persons prefer to be challenged with new and unexpected experiences. They adjust to change easily.

Directive D

Directive persons like to take charge and control situations. They like to take responsibility for projects that require planning, decision making and co-ordinating the work of others. They are able to give direction and instructions easily. They enjoy organizing their own activities. They see themselves as independent and self-directing.

Data, people, and things Help

Data

0
Synthesizing
1
Co-ordinating
2
Analyzing
3
Compiling
4
Computing
5
Copying
6
Comparing
7
N/A
8
Not Significant

People

0
Mentoring
1
Negotiating
2
Instructing - Consulting
3
Supervising
4
Diverting
5
Persuading
6
Speaking - Signaling
7
Serving - Assisting
8
Not significant

Things

0
Setting up
1
Precision working
2
Controlling
3
Driving - Operating
4
Operating - Manipulating
5
Tending
6
Feeding - Offbearing
7
Handling
8
Not significant
Data Analyzing 2

Examining and evaluating data; frequently presenting alternative action in relation to the evaluation.

People speaking - Signaling 6

Talking with and/or signalling people to convey or exchange information; giving assignments and/or directions to helpers.

Things Precision working 1

Using the body and/or equipment to move, guide, place, install and/or interface with objects, in order to attain specifications and precise standards. Considerable judgment is required to select, adjust and utilize appropriate tools, products and/or materials to accomplish specified objectives.

Physical activities Help

V - Vision

1
Close visual acuity
2
Near vision
3
Near and far vision
4
Total visual field

H - Hearing

1
Limited
2
Verbal interaction
3
Other sound discrimination

L - Limb co-ordination

0
Not relevant
1
Upper limb co-ordination
2
Multiple limb co-ordination

C - Colour discrimination

0
Not relevant
1
Relevant

B - Body position

1
Sitting
2
Standing and/or walking
3
Sitting, standing, walking
4
Other body positions

S - Strength

1
Limited
2
Light
3
Medium
4
Heavy
Vision Near and far vision V-3

The use of sight in the work performed. The levels are organized in terms of the visual field involved in the performance of the work.

3 - Near and far vision

Some work activities involve the monitoring of processes, objects or situations in the work environment that are far from the worker. Other work activities involve Near vision (2).

Examples:

  • installing shingles/tiles on roofs
  • conducting surveys to establish legal property boundaries
  • developing trading strategies by monitoring market conditions from the exchange floor
Colour discrimination Relevant C-1

The use of colour descrimination to identify, distinguish and match colours and different shades of the same colours.

1 - Relevant

Colour discrimination is relevant in the performance of the work.

Examples:

  • observing signals while operating vehicles
  • installing, testing and repairing electrical wiring
  • restoring and conserving museum and art gallery artifacts
  • designing, constructing and repairing dentures
Hearing Verbal interaction H-2

The use of hearing in the work performed. The levels are organized in terms of the type of auditory discrimination involved in the performance of the work.

2 - Verbal interaction

Work activities involve communication with colleagues, clients and/or the public on a regular basis.

Examples:

  • operating directory listing systems to provide directory assistance to customers
  • resolving work problems and recommending measures to improve productivity
  • consulting with families of the deceased regarding funeral services
  • analyzing and providing advice on managerial methods and organization of establishments
Body position Other body positions B-4

Primary type of posture or body movement involved in performing the work. These postures or body movements range from simple to complex and from sedentary to mobile.

4 - Other body positions

Work activities involve body postures other than, or in addition to, Sitting (1) and Standing and/or walking (2) such as bending, stooping, kneeling and crouching

Examples:

  • performing labouring duties in warehouses
  • measuring, cutting and installing carpeting
  • adjusting, repairing or replacing parts and components of automotive systems
  • treating patients' disorders of the spine and body through corrective manipulation
Limb co-ordination Upper limb co-ordination L-1

The use of limbs in performing work.

1 - Upper limb co-ordination

Work activities involve co-ordination of upper limbs.

Examples:

  • keyboarding
  • performing maintenance services such as oil changes, lubrications and tune-ups
  • operating video cameras
  • instructing students in sign language
Strength Medium S-3

The use of strength in the handling of loads such as pulling, pushing, lifting and/or moving objects during the work performed.

3 - Medium

Work activities involve handling loads between 10 kg and 20 kg.

Examples:

  • setting up and operating finishing machines or finishing furniture by hand
  • measuring, cutting and applying wallpaper to walls
  • adjusting, replacing or repairing mechanical or electrical components using hand tools and equipment
  • operating film cameras to record live events

Environmental conditions Help

Location

L1
Regulated inside climate
L2
Unregulated inside climate
L3
Outside
L4
In a vehicle or cab

Hazards

H1
Dangerous chemical substances
H2
Biological agents
H3
Equipment, machinery, tools
H4
Electricity
H5
Radiation
H6
Flying particles, falling objects
H7
Fire, steam, hot surfaces
H8
Dangerous locations

Discomforts

D1
Noise
D2
Vibration
D3
Odours
D4
Non-toxic dusts
D5
Wetness
Discomforts Noise D1

Work conditions that create disturbances but are not hazardous. In general, these conditions create discomfort, but are not direct sources of injury. In extreme instances, however, these conditions might cause injury.

D1 - Noise

Work that produces sufficient noise – constant or intermittent – to cause marked distraction or possible loss of hearing.

Examples:

  • operating drilling equipment in underground mines
  • using power saws in logging operations
  • blasting rock surface in mining
  • operating heavy equipment for construction jobs
  • using firearms
Discomforts Non-toxic dusts D4

Work conditions that create disturbances but are not hazardous. In general, these conditions create discomfort, but are not direct sources of injury. In extreme instances, however, these conditions might cause injury.

D4 - Non-toxic dusts

The presence of non-poisonous airborne particles such as textile dust, flour, sand, sawdust and feathers in the work environment.

Examples:

  • preparing dough or batter
  • cutting fur pelts or fabric for garments
  • operating woodworking machines
  • cleaning chimneys
  • removing poultry feathers
Hazards Dangerous chemical substances H1

Potential hazards to which the worker may be exposed. The codes provide an indication of the type(s) of hazard(s) most likely to be present in the workplace environment. They are not a measure of frequency, duration or degree of exposure to hazards, but an indication of the presence or absence of a particular hazard in the work environment.

H1 - Dangerous chemical substances

Exposure to any chemical that may endanger health through inhalation, absorption or ingestion, contact with skin or eyes, or any chemical with the potential for fire or explosion. Substances may be in forms such as solids, liquids, gases, aerosols or particles.

Examples:

  • extracting coal (involves exposure to silica particles)
  • removing asbestos insulation from buildings
  • joining bricks with mortar (contains lime)
  • mixing pesticides to spray crops
  • painting building interiors
Hazards Flying particles, falling objects H6

Potential hazards to which the worker may be exposed. The codes provide an indication of the type(s) of hazard(s) most likely to be present in the workplace environment. They are not a measure of frequency, duration or degree of exposure to hazards, but an indication of the presence or absence of a particular hazard in the work environment.

H6 - Flying particles, falling objects

Exposure to flying particles and falling objects in the work environment that pose the risk of bodily injury.Flying particles refer to particles such as wood chips, metal particles and rock chips generated by the handling, crushing, grinding, rapid impact or explosion of materials.

Examples:

  • operating machining tools such as lathes/grinders
  • constructing underground installations in mines using hand and power tools
  • operating chain saws to fell, delimb and buck trees
  • operating hoisting devices to load cargo onto ships
  • laying brick to construct or repair walls
Hazards Dangerous locations H8

Potential hazards to which the worker may be exposed. The codes provide an indication of the type(s) of hazard(s) most likely to be present in the workplace environment. They are not a measure of frequency, duration or degree of exposure to hazards, but an indication of the presence or absence of a particular hazard in the work environment.

H8 - Dangerous locations

Working in locations that are inherently treacherous and are potential sources of injury. Such work locations include construction sites, underground sites, erected support structures and marine environments.

Examples:

  • building underground passageways in mines
  • installing roof shingles
  • washing exterior windows of buildings
  • commanding fishing vessels
  • operating underwater video, sonar, recording and related equipment
Location Outside L3

The work performed is carried out indoors in a regulated environment, indoors in an unregulated environment, outdoors or in a vehicle. In many occupations, the Main Duties may be performed in more than one location. Therefore, a group may have more than one Location code, for example:

  • firefighting and fire prevention duties
  • maintenance of interior/exterior of buildings
  • managing operations and paperwork of farms

L3 - Outside

An outdoor work environment where the worker is exposed to variations in weather conditions and seasonal weather patterns.

Examples:

  • maintaining lawns
  • repairing buildings, roads, bridges and dams
  • operating power saws to thin and space trees
  • delivering mail

Employment requirements Help

Education/training Help

1
No formal education or training requirements
2
Some high school education and/or on the job training or experience
3
High school
4
Course work, training, workshops and/or experience related to the occupation
5
Apprenticeship, specialized training, vocational school training
6
College, technical school (certificate, diploma)
7
Undergraduate degree
8
Post-graduate or professional degree
+
Additional requirement beyond education and training
R
Regulated requirement(s)
3, 4, R
  • Completion of secondary school is usually required.
  • On-the-job training is provided.
  • Experience as a blaster helper in surface mining and quarrying or construction may be required for blasters.
  • Provincial blasting licence is usually required for blasters.
  • Trade certification for blasters is compulsory in Nova Scotia.

Workplaces/employers Help

  • Drilling and blasting contractors
  • Mining, quarrying and construction companies

Occupational options Help

  • Blasters often perform both drilling and blasting activities.
  • Progression to supervisory positions is possible with experience.

Exclusions Help

Breakdown summary

Broad occupational category
7 - Trades, transport and equipment operators and related occupations
Skill level
B - Occupations usually require college education, specialized training or apprenticeship training
Major group
73 - Maintenance and equipment operation trades
Minor group
737 - Crane operators, drillers and blasters
Unit group
7372 - Drillers and blasters - surface mining, quarrying and construction
Version
2016
Date modified: