Course Aim:
The course aims to embed This unit standard is intended to promote general skills, knowledge and understanding of being able to design blasts for surface excavations in the mining and minerals sector in order to ensure knowledgeable and informed workers.
Course Objectives:
After completion of the course, the delegate will have an understanding of the following:
- Explain legal requirements relating to blasting in surface excavations.
- Explain the types, applications, and selection of explosives, initiation systems, and accessories used and required in surface excavations.
- Explain the drilling equipment required and their applications in surface excavations.
- Explain the factors influencing blast design and their impacts on surface excavations.
- Design safe and efficient blasting.
Estimate the likely environmental effects of the blasts. - Monitor the blasting performances and take appropriate actions.
Course Content:
- Explain the types, applications and selection of explosives, initiation systems and accessories used and required in surface excavations.
- Initiating systems are identified, and their function explained in accordance with specified requirements
- Accessories are identified, and their function is explained in accordance with specified requirements.
- The factors influencing the selection of an explosive are explained.
- Drilling methods and accessories are evaluated to match site-specific requirements.
- Appropriate equipment for blast hole drilling for production requirements is identified.
- Explain the factors influencing blast design and their impacts on surface excavations.
- The effect of blast design and practice on slope stability is explained.
- Hazards and risks are anticipated, and measures are taken in accordance with specified requirements to eliminate them or mitigate their effect.
- Monitor the blasting performances and take appropriate actions.
- The economics of drilling and blasting are regularly calculated, and blast design improvements are made in accordance with specified requirements.
Target Audience:
All employees interested in following a career in the mining or mineral sector.