This information is provided free of charge by the Department of Industrial Relations
from its web site at
www.dir.ca.gov. These regulations are for the
convenience of the user and no representation or warranty is made that the information
is current or accurate. See full disclaimer at
https://www.dir.ca.gov/od_pub/disclaimer.html.
Subchapter 20. Tunnel Safety Orders
Article 16. Mechanical Tunneling Methods, Machinery and Equipment
Go Back to the Tunnel Safety Orders Table of Contents