NZQA Unit Standard 17705:  Describe, develop, and maintain basic ventilation systems for an underground coal mine – Level 4, Credit 15

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Pre-requisites:  Unit 21281, Test for gases, interpret findings, and demonstrate knowledge of follow-up actions in an underground coal mine, or demonstrate equivalent knowledge and skills.

Learners Objectives:

• Describe the basic principles and practices of ventilation.
• Develop basic ventilation circuits.
• Read and interpret a basic ventilation plan.
• Measure, maintain, and document ongoing airflow, air quantity, and air quality.
• Measure gases and describe their impact in an underground coal mine.
• Demonstrate knowledge of fires, spontaneous combustion, and hazardous atmospheres in underground coal mines.