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Traditional ventilation design is based on a calculation that includes the number and location of diesel equipment. Diesel equipment often is the largest factor in determining the ventilation needs at a mine. The number of diesel equipment, e.g. trucks and other mobile equipment, is traditionally based on a spreadsheet calculation showing the desired production rate, the size of the ore handling equipment, the hours expected to work in a period, and the travel time for the equipment from a production or development area to a loading pock-et at a shaft or through the portal of a ramp. This calculation results in the diesel fleet requirements and is repeated for various time phases in the mine life. However, even though contingencies are included in these calculations for equipment interference and/or production rate limitations, these are often underestimated. With DEES these calculations can be far more accurate and result in more accurate ventilation requirements. In addition, DEES can help determine where and if a ventilation on demand system will be cost effective.
Best Paper Presentation Award - 1st place at the 2021 North American Mine Ventilation Symposium.
Watch VideoOne thing we've noticed when visiting mines around the world is the difference between airflow measurements taken for the purposes of general quantity checks and measurements required in the comparison and development of ventilation models.
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