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Virginia regulations · Through 2026 Regular Session (effective July 1, 2026)

4VAC25-40-3180: Fan housings and air ducts

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Where this section sits in the code
  1. Title 4. Conservation And Natural Resources
  2. Agency 25. Department of Energy
  3. Chapter 40. Safety and Health Regulations for Mineral Mining
  4. Part XV. Safety and Health Regulations—Underground Only
  5. Article 3. Air Quality, Radiation and Physical Agents

Fan housings and air ducts connecting main fans to underground openings shall be fire resistant.

Collected 2026-09-14T04:46:03Z. Source file · JSON

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