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Ventilation Study Focuses Efforts in Right Direction

Jess Van Diest, Keith Wallace
Thursday, January 12, 2017
First presented: 
Mine Ventilation

In October of 2016, Mine Ventilation Services (MVS)—which recently merged with SRK’s US practice—performed a ventilation survey for a large-opening room and pillar mine. MVS discovered that the mine had many areas with low airflow velocity causing dust to be suspended and built up. The 50-year-old ventilation system had reached its capacity and was in need of an upgrade.

MVS conducted further ventilation studies to identify and evaluate options for improving the mine’s ventilation system in the short and long term. We considered several ventilation shaft locations and the use of forcing versus exhausting fans, assessing the impact of each option on the existing ventilation system. After comparing results for the different options, we determined the optimal ventilation system for the mine and apprised our client of the required implementation costs. Through rigorous investigation of the mine’s ventilation system and evaluation of possible alternatives, we helped our client develop an enhanced system that would solve the existing ventilation problems and avoid future impairment of operations and productivity. 

Feature Author

Keith Wallace
Mr. Wallace has over 30 years of underground ventilation experience. He manages a small team of engineers in the design and implementation of underground mine ventilation systems for mining and civil projects around the world. Worldwide there are less than five firms that specialize in only underground mine ventilation.
Mr. Wallace has been active in the ventilation community by serving on the executive committee of the Underground Ventilation Committee of the Society of Mining Engineers, publishing over 30 papers on various aspects of ventilation and was the editor of the 12th US/North American Mine Ventilation Symposium. He has been in involved with numerous ventilation studies at both metal/non-metal mines, coal mines and tunnel construction projects throughout the world. Mr. Wallace is also active in developing ventilation software and organizing and has conducted over 40 workshops on ventilation planning and design to mining professionals.
Mine Ventilation Specialist
MS Eng. Mineral Engineering, Underground Ventilation
SRK Clovis
Brian Prosser

Mr. Prosser has over 20 years of experience in the design and planning of large underground ventilation systems, ventilation and air climatic surveys, network analysis, dust and gas control, and the development of network ventilation and fire models. He has experience overseeing numerous ventilation studies involving nuclear waste repositories, hard rock mines, and coal mines. Brian has performed ventilation studies, surveys, optimization and planning for mines located in North America, South America, Europe and Indonesia. Brian has been responsible for survey planning, coordination with third party consultants and vendors, business development and job estimating. He has also conducted ventilation short courses to expand the knowledge base of clientele.

Mine Ventilation Specialist
SRK Clovis
SRK United Kingdom