Revised Code of Washington
2024 Archive

Chapter 49.24 RCW
HEALTH AND SAFETY—UNDERGROUND WORKERS
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Sections
49.24.010Pressure defined.
49.24.020Compressed air safety requirements.
49.24.030Medical and nursing attendants.
49.24.040Examination as to physical fitness.
49.24.060Penalty.
49.24.070Enforcement.
49.24.080Requirements for underground labor.
49.24.100Lighting appliances.
49.24.110Exhaust valves.
49.24.120Fire prevention.
49.24.130Air chambers—Hanging walks.
49.24.140Locks.
49.24.150Explosives and detonators.
49.24.160Air plant—Feed water.
49.24.170Electric power requirements.
49.24.180Inspection.
49.24.190Cars, cages, buckets—Employees riding or walking.
49.24.200Speed of vehicles.
49.24.210Oil supply restricted.
49.24.220Explosives, use of—Blasting.
49.24.230Firing switch—Warning by blaster.
49.24.240Inspection after blast.
49.24.250Code of signals.
49.24.260Requirements as to caissons.
49.24.270Shields to be provided.
49.24.280Caissons to be braced.
49.24.290Cages—Hoisting apparatus.
49.24.300Buckets in vertical shafts.
49.24.310Telephone system for tunnels.
49.24.320Location of lights.
49.24.330Generators, transformers, etc., to be grounded.
49.24.340Electrical voltage.
49.24.350Lamps to be held in reserve.
49.24.360Insulators required.
49.24.370Director to make rules and regulations.
49.24.380Penalty.
NOTES:
Coal mining code: Title 78 RCW.
Protection of employees: State Constitution Art. 2 s 35.
Supervisor of safety: RCW 43.22.040.