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<p>Determining the location, design, and construction method for orepasses in underground mining operations can be challenging. Existing studies and literature contribute useful content but stop short of offering standardized methodologies for design and placement decisions. Past surveys have documented operational procedures at select operations, with the most recent published survey being from 2013. This paper presents the results of a survey conducted in 2024 of numerous underground operations in Canada and the United States. The survey obtained information regarding orepass design, construction, and planning. Responses are compared to industry best practices and case studies found in the available literature. Topics covered in this article include construction methods, orepass dimensions, guarding, mechanical support, causes of hang-ups, corporate policies on placement, and geotechnical factors, among others. The survey responses provide valuable insights into the current state of orepass practices and the benefits of orepass placement for effective and efficient strategic and operational mine planning.</p>

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A Survey of Current Planning, Design, and Geotechnical Practices for Orepasses

  • 期刊论文

  • 发表日期：

    2025年5月28日

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  • Kristin Guerin-Davey,
  • Andrea Brickey

摘要

Determining the location, design, and construction method for orepasses in underground mining operations can be challenging. Existing studies and literature contribute useful content but stop short of offering standardized methodologies for design and placement decisions. Past surveys have documented operational procedures at select operations, with the most recent published survey being from 2013. This paper presents the results of a survey conducted in 2024 of numerous underground operations in Canada and the United States. The survey obtained information regarding orepass design, construction, and planning. Responses are compared to industry best practices and case studies found in the available literature. Topics covered in this article include construction methods, orepass dimensions, guarding, mechanical support, causes of hang-ups, corporate policies on placement, and geotechnical factors, among others. The survey responses provide valuable insights into the current state of orepass practices and the benefits of orepass placement for effective and efficient strategic and operational mine planning.