Revised Code of Washington
Title 49 - Labor Regulations
Chapter 49.24 - Health and Safety—Underground Workers.

49.24.010 - Pressure defined. - RCW 49.24.010 Pressure defined. The term "pressure" means gauge air...

49.24.020 - Compressed air safety requirements. - RCW 49.24.020 Compressed air safety requirements. Every employer of persons...

49.24.030 - Medical and nursing attendants. - RCW 49.24.030 Medical and nursing attendants. Every employer of persons...

49.24.040 - Examination as to physical fitness. - RCW 49.24.040 Examination as to physical fitness. If an employee...

49.24.060 - Penalty. - RCW 49.24.060 Penalty. Violation of or noncompliance with any provision...

49.24.070 - Enforcement. - RCW 49.24.070 Enforcement. The director of labor and industries shall...

49.24.080 - Requirements for underground labor. - RCW 49.24.080 Requirements for underground labor. Every person, firm or...

49.24.100 - Lighting appliances. - RCW 49.24.100 Lighting appliances. (1) All lighting in compressed air...

49.24.110 - Exhaust valves. - RCW 49.24.110 Exhaust valves. Exhaust valves shall be provided, having...

49.24.120 - Fire prevention. - RCW 49.24.120 Fire prevention. All reasonable precaution shall be taken...

49.24.130 - Air chambers—Hanging walks. - RCW 49.24.130 Air chambers—Hanging walks. (1) Whenever the air pressure...

49.24.140 - Locks. - RCW 49.24.140 Locks. (1) Each bulkhead in tunnels of twelve...

49.24.150 - Explosives and detonators. - RCW 49.24.150 Explosives and detonators. When locking explosives and detonators...

49.24.160 - Air plant—Feed water. - RCW 49.24.160 Air plant—Feed water. (1) A good and sufficient...

49.24.170 - Electric power requirements. - RCW 49.24.170 Electric power requirements. When electric power is used...

49.24.180 - Inspection. - RCW 49.24.180 Inspection. While work is in progress, the employer...

49.24.190 - Cars, cages, buckets—Employees riding or walking. - RCW 49.24.190 Cars, cages, buckets—Employees riding or walking. No employee...

49.24.200 - Speed of vehicles. - RCW 49.24.200 Speed of vehicles. No vehicle shall be operated...

49.24.210 - Oil supply restricted. - RCW 49.24.210 Oil supply restricted. Oil for illumination or power...

49.24.220 - Explosives, use of—Blasting. - RCW 49.24.220 Explosives, use of—Blasting. (1) No greater quantity of...

49.24.230 - Firing switch—Warning by blaster. - RCW 49.24.230 Firing switch—Warning by blaster. When firing by electricity...

49.24.240 - Inspection after blast. - RCW 49.24.240 Inspection after blast. (1) After a blast is...

49.24.250 - Code of signals. - RCW 49.24.250 Code of signals. Any code of signals used...

49.24.260 - Requirements as to caissons. - RCW 49.24.260 Requirements as to caissons. All shafting used in...

49.24.270 - Shields to be provided. - RCW 49.24.270 Shields to be provided. Wherever, in the prosecution...

49.24.280 - Caissons to be braced. - RCW 49.24.280 Caissons to be braced. All caissons shall be...

49.24.290 - Cages—Hoisting apparatus. - RCW 49.24.290 Cages—Hoisting apparatus. In all shafts where men are...

49.24.300 - Buckets in vertical shafts. - RCW 49.24.300 Buckets in vertical shafts. In all vertical shafts...

49.24.310 - Telephone system for tunnels. - RCW 49.24.310 Telephone system for tunnels. Where tunnels are driven...

49.24.320 - Location of lights. - RCW 49.24.320 Location of lights. (1) While work is in...

49.24.330 - Generators, transformers, etc., to be grounded. - RCW 49.24.330 Generators, transformers, etc., to be grounded. The frames...

49.24.340 - Electrical voltage. - RCW 49.24.340 Electrical voltage. In electrical systems installed, no higher...

49.24.350 - Lamps to be held in reserve. - RCW 49.24.350 Lamps to be held in reserve. Lamps or...

49.24.360 - Insulators required. - RCW 49.24.360 Insulators required. (1) All underground cables and wires,...

49.24.370 - Director to make rules and regulations. - RCW 49.24.370 Director to make rules and regulations. The director...

49.24.380 - Penalty. - RCW 49.24.380 Penalty. Every person violating any of the provisions...