TUNNEL CONSTRUCTION
- Section 43.11 - Safety requirements
- Section 43.12 - Superintendents
- Section 43.13 - Hoisting engineer
- Section 43.14 - Hoisting procedure
- Section 43.15 - Hoisting ropes
- Section 43.16 - Signals
- Section 43.17 - Hoisting cages
- Section 43.18 - Stairways and ladders
- Section 43.19 - Shaft protection
- Section 43.20 - Mechanical haulage
- Section 43.21 - Timbering; sumps
- Section 43.22 - Storage of explosives
- Section 43.23 - Transportation of explosives
- Section 43.24 - Conveying of explosives
- Section 43.25 - Loading of explosives
- Section 43.26 - Blasting
- Section 43.27 - Loose rock
- Section 43.28 - Lighting
- Section 43.29 - Means of communication
- Section 43.30 - Electrical equipment
- Section 43.31 - Underground stations and transformer rooms
- Section 43.32 - Cables and wires
- Section 43.33 - Electrical circuits
- Section 43.34 - Trolley wires
- Section 43.35 - Power wires and cables
- Section 43.36 - Joints in cables and conductors
- Section 43.37 - Fuses, circuit breakers, switches, and motors
- Section 43.38 - Fire protection
- Section 43.39 - Sanitation
- Section 43.40 - Ventilation
- Section 43.41 - First aid
- Section 43.42 - Special protective requirements
- Section 43.43 - Special protection against dust
- Section 43.44 - Special protection against gases