Mining and Tunneling (M&T) Unit

  • 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.

All requests, reports and applications must be sent to the nearest M&T District Office where the activity occurs.

  • See a map of the M&T District Offices
  • Licenses, Certifications, and Permits

    Safety Representatives and Gas Testers:

    Certification exams to work in tunnels and mines.

    Blasters:

    Demolition Activities Using Explosives:

    Diesel Engines in Tunnels & Mines:

    Required Notifications to the M&T Unit

    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)

    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:

    Enforcement Branch, Region 5 (covers the entire state)

    James Wittry, Principal Safety Engineer
    1750 Howe Avenue, Suite 470
    Sacramento, CA 95825

    Phone:(818) 901-5420
    Fax:(818) 901-5579

    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

    Phone:(916) 574-2540
    Fax:(916) 574-2542

    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

    Phone:(818) 901-5420
    Fax:(818) 901-5579

    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

    Phone:(909) 383-6782
    Fax:(909) 388-7132

    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