Labor Code - LAB
DIVISION 5. SAFETY IN EMPLOYMENT [6300 - 9254]
( Division 5 enacted by Stats. 1937, Ch. 90. ) PART 9. TUNNEL AND MINE SAFETY [7950 - 8004]
( Part 9 added by Stats. 1972, Ch. 1430. ) CHAPTER 1. Tunnels and Mines [7950 - 7964.5]
( Chapter 1 added by Stats. 1972, Ch. 1430. ) 7964.
Whenever an access shaft is used as the normal means of entrance or exit to an underground mine or tunnel, it shall be constructed of fireproof material or fireproofed by chemical or other means.
(Added by Stats. 1972, Ch. 1430.)