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In this paper, management procedures for post-blast re-entry that offer safety, efficiency, and economic benefits to mining operations are introduced. Such management procedures include use of dedicated and inaccessible exhaust airways for directing blast toxic and explosive gases, supported by use of advanced remote atmospheric monitoring technology and automated monitoring. A decrease in post-blast re-entry time with reliable remote monitoring processes and with effective ventilation management procedures results in safer and more efficient mining process and increased production yield. The presented management programs also aid mines in keeping their re-entry practices in compliance with regulatory bodies and company policies. A practical case study demonstrates the implementation of the program in an operating hard rock mine and provides evidence of actual realized benefits.

Procedures for mitigating safety risks associated with post-blast re-entry times