Section 7952.
7952. There shall be within the division a separate unit of safety engineers trained to inspect all tunnel construction and mine operations. (Added by Stats. 1972, Ch. 1430.)
Section 7967.
7967. Whenever gas levels in excess of 10 percent of the lower explosive limit are encountered initially in a tunnel or underground mine classified as gassy, the division shall be notified immediately by telephone or telegraph. The chief of the division or his authorized representative may waive subsequent notification for gas readings less than 20 […]
Section 7953.
7953. Sufficient manpower shall be maintained to provide for four annual inspections of underground mines, one inspection of surface mines or quarries annually, and six inspections of tunnels under construction annually. (Added by Stats. 1972, Ch. 1430.)
Section 7968.
7968. In any gassy tunnel or underground mine, the division may order work halted until adequate testing can be completed to determine the level of hazard from gases or vapors. A notice of such shutdown shall be filed by the division inspector with his superiors as soon as practicable. Any overruling of such order must […]
Section 7954.
7954. To assist the unit of safety engineers in determining the safety of tunnel construction and mine operation, the division shall make available at least one industrial hygiene engineer and one chemist. A laboratory for analysis of dust, gas, vapors, soil, or other materials shall be available to members of this unit. Contracts to provide […]
Section 7969.
7969. In any gassy tunnel or underground mine the division shall review plans for electrical lighting and power for equipment. When it is necessary for safety, the inspector may require changes in the amount and type of lighting, and may require permissive-type wiring, switches, tools, and equipment. (Added by Stats. 1972, Ch. 1430.)
Section 7955.
7955. The division and the owner of a mine, if he is not the operator of the mine, shall be notified before any initial mining operation or construction may be started at any mines or tunnels. A prejob safety conference shall be held with an authorized representative of the division for all underground operations. Representatives […]
Section 7956.
7956. All personnel, including both employees working above ground and those in the tunnel or underground mine, shall be informed of the classification designated by the division for that job. A notice of the classification and any special orders, rules, or regulations to be used in construction, remodeling, demolition, or operation of the tunnel or […]
Section 7957.
7957. An emergency rescue plan shall be developed by the employer for every tunnel or underground mine. Such plan, including a current map of the tunnel or underground mine, shall be provided to local fire and rescue units, to the division, and to every employee at the place of employment. (Added by Stats. 1972, Ch. […]
Section 7958.
7958. A trained rescue crew of at least five men shall be provided at underground mines with more than 25 men or tunnels with 10 or more men underground at any one time. Smaller mines shall have one man for each 10 men underground who receives annual training in the use of breathing apparatus. Two […]