Mining and Tunneling (M&T) Unit
The Mining and Tunneling (M&T) Unit is Responsible for:
- Investigating complaints of hazards and reports of accidents in mines and tunnels, and issuing citations
- Conducting pre-job safety conferences and issuing permits prior to any initial underground mining or tunneling operation
- Performing periodic inspections of
- Tunnels under construction
- Underground mines
- Surface mines and quarries
- Offering safety classes for mine operators and employees
Mine Safety Training
Mine safety training provides New Miner, Newly Hired Experienced Miner and Annual Refresher Trainings as required by Mine Safety and Health Administration (MSHA) 30 CFR parts 46 and 48.
- For the class schedule visit the Mine Safety Training page.
Licenses, Certifications, and Permits
Safety Representatives and Gas Testers:
Certification exams to work in tunnels and mines.
Blasters:
Licensing exams to use explosives.
Demolition Activities Using Explosives:
Diesel Engines in Tunnels & Mines:
Permits allowing the use of diesel engines in tunnels & mines
Required Notifications to the M&T Unit
Plans to Start an Underground Mining, Tunneling, or Jack-and-Bore Piping Operation
Owners of projects proposing tunneling, underground mining, or pipe-jacking operations (30" and over) must obtain a Classification of environmental hazards from the M&T Unit prior to bidding the project. Instructions for obtaining a Classification are available at all M&T offices.
Operators and contractors must report plans to start a tunneling, underground mining, or pipe-jacking operations (30" and over) prior to beginning the project. The M&T Unit will schedule a pre-job safety conference. Instructions for obtaining a pre-job safety conference are available at all M&T offices. (Labor Code sections 7955 and 7956)
Excessive Gas Levels, Fires, and Other Hazards
Operators and contractors must report excessive gas levels in a mine or tunnel, fires in a tunnel, and other hazards. (Labor Code sections 7967, 7972, and 7997)
Contact the M&T Unit to:
- File a mining and tunneling-related complaint
- Report a mining and tunneling-related accident
- Submit required notifications
- Obtain a classification
- Request a pre-job safety conference
- Apply for a permit, certification, or license
Enforcement Branch, Region 5 (covers the entire state)
James Wittry, Principal Safety Engineer
1750 Howe Avenue, Suite 470
Sacramento, CA 95825
To report a work-related injury, illness, or fatality, if you cannot call, you may use email: caloshaaccidentreport@tel-us.com
For other matters, use DOSHReg5Sac@dir.ca.gov
Mining & Tunneling District Offices
Mining & Tunneling Unit – Sacramento District Office
Jeffrey Wallace, Senior Safety Engineer
1750 Howe Avenue, Suite 450
Sacramento, CA 95825
To report a work-related injury, illness, or fatality, if you cannot call, you may use email:
caloshaaccidentreport@tel-us.com
For other matters, use DOSHMTSAC@dir.ca.gov
Mining and Tunneling – Van Nuys District Office
Matthew Switzer, Senior Safety Engineer
6150 Van Nuys Blvd., Suite 310
Van Nuys, CA 91401
To report a work-related injury, illness, or fatality, if you cannot call, you may use email:
caloshaaccidentreport@tel-us.com
For other matters, use DOSHMTVN@dir.ca.gov
Mining and Tunneling – San Bernardino District Office
Diane Fionda, Senior Safety Engineer
464 W. 4th Street, Suite 354
San Bernardino, CA 92401
To report a work-related injury, illness, or fatality, if you cannot call, you may use email:
caloshaaccidentreport@tel-us.com
For other matters, use DOSHMTSB@dir.ca.gov
January 2024