Unit group 7542

PSOC Unit group 7542 — Shotfirers and blasters (2026)

Shot firers and blasters, position, assemble, and detonate explosives at mining, quarrying and demolition sites. Their tasks include: a) ensuring workplace safety and explosives handling, storage and transport procedures and regulations are followed; b) planning and giving instructions for the lay out, depth and diameter of blast holes; c) checking depth and cleanliness of blast holes; d) determining quantity and type of explosives to be used; e) loading explosives into blast holes; f) assembling, or directing other workers to assemble, primer charges using detonators and explosive cartridges, and attaching electrical wires, fuses and detonating cords to primers; g) connecting wires, fuses and detonator cords into series, testing electrical circuits and repairing malfunctions, and connecting series to blasting machines; h) covering charges, filling blast holes with rock dust, sand and other materials, and tamping material to compact charges; i) ensuring all explosives are detonated, and reporting and attending to misfires; j) declaring blast areas safe before and after detonation of explosives; k) compiling and maintaining records about usage of explosives in compliance with laws and regulations. Examples of the occupations classified here: Blaster, Mine shot firer, Powder monkey, Powder man, Quarry shot firer, Some related occupations classified elsewhere: Driller (mining) - 8111, Driller (oil or gas well) - 8113, Mining Supervisor - 3121, Mining laborer - 9311, Quarry laborer - 9311

Level Unit group
Code 7542
Source PSOC
Practical summary

What this code covers

Shot firers and blasters, position, assemble, and detonate explosives at mining, quarrying and demolition sites. Their tasks include: a) ensuring workplace safety and explosives handling, storage and transport procedures and regulations are followed; b) planning and giving instructions for the lay out, depth and diameter of blast holes; c) checking depth and cleanliness of blast holes; d) determining quantity and type of explosives to be used; e) loading explosives into blast holes; f) assembling, or directing other workers to assemble, primer charges using detonators and explosive cartridges, and attaching electrical wires, fuses and detonating cords to primers; g) connecting wires, fuses and detonator cords into series, testing electrical circuits and repairing malfunctions, and connecting series to blasting machines; h) covering charges, filling blast holes with rock dust, sand and other materials, and tamping material to compact charges; i) ensuring all explosives are detonated, and reporting and attending to misfires; j) declaring blast areas safe before and after detonation of explosives; k) compiling and maintaining records about usage of explosives in compliance with laws and regulations. Examples of the occupations classified here: Blaster, Mine shot firer, Powder monkey, Powder man, Quarry shot firer, Some related occupations classified elsewhere: Driller (mining) - 8111, Driller (oil or gas well) - 8113, Mining Supervisor - 3121, Mining laborer - 9311, Quarry laborer - 9311

Administrative context

Where this code is used

Use this unit group when the occupation wording needs to sit under Other craft and related workers.

Selection note

How to choose it

Use this node when the job title is more specific than the broader Other craft and related workers grouping.

FAQ

What does PSOC 7542 cover?

Shot firers and blasters, position, assemble, and detonate explosives at mining, quarrying and demolition sites. Their tasks include: a) ensuring workplace safety and explosives handling, storage and transport procedures and regulations are followed; b) planning and giving instructions for the lay out, depth and diameter of blast holes; c) checking depth and cleanliness of blast holes; d) determining quantity and type of explosives to be used; e) loading explosives into blast holes; f) assembling, or directing other workers to assemble, primer charges using detonators and explosive cartridges, and attaching electrical wires, fuses and detonating cords to primers; g) connecting wires, fuses and detonator cords into series, testing electrical circuits and repairing malfunctions, and connecting series to blasting machines; h) covering charges, filling blast holes with rock dust, sand and other materials, and tamping material to compact charges; i) ensuring all explosives are detonated, and reporting and attending to misfires; j) declaring blast areas safe before and after detonation of explosives; k) compiling and maintaining records about usage of explosives in compliance with laws and regulations. Examples of the occupations classified here: Blaster, Mine shot firer, Powder monkey, Powder man, Quarry shot firer, Some related occupations classified elsewhere: Driller (mining) - 8111, Driller (oil or gas well) - 8113, Mining Supervisor - 3121, Mining laborer - 9311, Quarry laborer - 9311

Where is PSOC 7542 used in practice?

Use this unit group when the occupation wording needs to sit under Other craft and related workers.

How do I choose PSOC 7542 over nearby options?

Use this node when the job title is more specific than the broader Other craft and related workers grouping.