California Code of Regulations
Title 8 - Industrial Relations
Division 1 - Department of Industrial Relations
Chapter 4 - Division of Industrial Safety
Subchapter 17 - Mine Safety Orders
Article 22 - Fire Prevention and Control
General
Section 7057 - Mine Exit Protection
Universal Citation: 8 CA Code of Regs 7057
Current through Register 2024 Notice Reg. No. 38, September 20, 2024
(a) Each mine required to maintain an escape exit shall protect underground employees against the hazard of all exits becoming impassable because of fire or fire gases by one or more of the following methods:
(1) By fireproofing the
main shaft and shaft stations where there is a fire hazard sufficient to
interrupt use of the main shaft hoist for rescue purposes.
(2) By maintaining a connecting passageway
between working levels of such mine and an adjoining mine which has a safe
access to the surface.
(3) By
mechanical control of the air currents that will permit good air to be supplied
through any shaft or escapeway by reversal of air currents.
(4) By installation of fire doors and
ventilation doors satisfactory to the Division.
(5) If none of the foregoing methods can be
made applicable to a particular mine, such mine may be required by the Division
to install a hoist in an escape exit and keep it in a usable
condition.
Disclaimer: These regulations may not be the most recent version. California may have more current or accurate information. We make no warranties or guarantees about the accuracy, completeness, or adequacy of the information contained on this site or the information linked to on the state site. Please check official sources.
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