Washington Code|Chapter 49.24 - Health and safety—Underground workers.

Section 49.24.010 - Pressure defined.

Section 49.24.020 - Compressed air safety requirements.

Section 49.24.030 - Medical and nursing attendants.

Section 49.24.040 - Examination as to physical fitness.

Section 49.24.060 - Penalty.

Section 49.24.070 - Enforcement.

Section 49.24.080 - Requirements for underground labor.

Section 49.24.100 - Lighting appliances.

Section 49.24.110 - Exhaust valves.

Section 49.24.120 - Fire prevention.

Section 49.24.130 - Air chambers—Hanging walks.

Section 49.24.140 - Locks.

Section 49.24.150 - Explosives and detonators.

Section 49.24.160 - Air plant—Feed water.

Section 49.24.170 - Electric power requirements.

Section 49.24.180 - Inspection.

Section 49.24.190 - Cars, cages, buckets—Employees riding or walking.

Section 49.24.200 - Speed of vehicles.

Section 49.24.210 - Oil supply restricted.

Section 49.24.220 - Explosives, use of—Blasting.

Section 49.24.230 - Firing switch—Warning by blaster.

Section 49.24.240 - Inspection after blast.

Section 49.24.250 - Code of signals.

Section 49.24.260 - Requirements as to caissons.

Section 49.24.270 - Shields to be provided.

Section 49.24.280 - Caissons to be braced.

Section 49.24.290 - Cages—Hoisting apparatus.

Section 49.24.300 - Buckets in vertical shafts.

Section 49.24.310 - Telephone system for tunnels.

Section 49.24.320 - Location of lights.

Section 49.24.330 - Generators, transformers, etc., to be grounded.

Section 49.24.340 - Electrical voltage.

Section 49.24.350 - Lamps to be held in reserve.

Section 49.24.360 - Insulators required.

Section 49.24.370 - Director to make rules and regulations.

Section 49.24.380 - Penalty.

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