Fortification Project

Case Studies

Fortification Project

One of the top gold producers wanted to optimize the fortification cost per square meter without diminishing the miners’ safety at an underground mine in Chile.

Shotcrete thickness, type of rock mass, and blast damage were among some of the variables identified. The result of the sampling analysis provided the project objective to reduce the standard deviation of thickness. A Kaizen event to optimize the fortification process, and training in new procedures were among actions taken.

As a result, the mine obtained a total control of the shotcrete applied in terms of thickness, length, and perimeter. A reduction in the thickness standard deviation was realized, reducing the cost per square meter and an annualized cost savings of more than $500,000 USD.

Activities in this case study include:

  • Analysis
  • Kaizen
  • Action plan
  • Training in new procedures

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