Our more than 36,000 members lead, manage, supervise, research and consult on occupational safety and health across all industries and represent diverse voices across age, gender and ethnicity.
ASSP has a long-standing reputation of delivering top-quality occupational safety and health education and training members can immediately put into practice
ASSP engages in a consensus process that brings together diverse viewpoints to ensure that standards reflect the latest industry developments and recognized best practices.
Safety professionals count on ASSP publications to deliver the information they need to create safer, healthier workplaces that protect workers and improve organizational performance.
We are committed to advancing our profession through evidence-based approaches such as risk assessment and prevention through design.
We are your source for insights on trends in the safety profession, including developments in safety management, worker safety, government and regulatory affairs, and standards.
We connect you to great resources that help you prevent workplace injuries, illnesses and fatalities.
Welcome to the safety profession. With ASSP, you can grow your future career, build your network, expand your education, connect with industry experts and earn scholarships.
Click here to share your question with us.
Sorry, this item can only be purchased by current members.
Would you like to...
This standard establishes safety requirements pertaining to the construction of tunnels, shafts and caissons. The requirements set forth in this standard cover environmental control; related facilities; fire prevention; hoisting; haulage; electrical, drilling and blasting; and compressed air work....
This standard establishes safety requirements pertaining to the construction of tunnels, shafts and caissons. The requirements set forth in this standard cover environmental control; related facilities; fire prevention; hoisting; haulage; electrical, drilling and blasting; and compressed air work. This standard is not intended for application to mining or quarrying operations.
1. General 1.1 Scope 1.2 Purpose 1.3 Exceptions 2. References Standards 2.1 Related American National Standards 2.2 Other Standards 3. Definitions 4. General Provisions 4.1 Accident Prevention Program 4.2 Inspection and Maintenance of Excavations 4.3 Access 4.4 Existing Utilities 4.5 Safety Precautions 4.6 Protection Against Flooding 4.7 Protection of Openings 4.8 Structural Adequacy 4.9 Shaft and Tunnel Lining, Roof Support and Rock Bolting 4.10 Stairways 4.11 Ladders 4.12 Platforms, Runways and Ramps 4.13 Lasers 4.14 Tunnel and Raise Boring Machines 4.15 Raising Boring 5. Environmental Control 5.1 Ventilation 5.2 Oxygen 5.3 Air Quality 5.4 Testing Records 5.5 Internal-Combustion Engines 6. Related Facilities 6.1 First Aid and Medical 6.2 Drinking Water 6.3 Toilets 6.4 Change House 6.5 Communication Systems 6.6 Rescue Equipment and Personnel 7. Fire Prevention 7.1 General 7.2 Combustible Structures 7.3 Combustible Materials 7.4 Storage and Handling of Flammable and Combustible Liquids 7.5 Welding or Cutting 8. Hoisting 8.1 General 8.2 Emergency Provisions 8.3 Construction 8.4 Operation 8.5 Maintenance 9. Haulage Systems 9.1 Track 9.2 Automatic Derailers 9.3 Holding Devices on Inclines 9.4 Locomotives and Similar Off-Track Equipment 9.5 Transportation of Workers 9.6 Automatic Coupling Devices 9.7 Block Signals 9.8 Safe Access 9.9 Mobile Equipment 10. Electrical 10.1 General 10.2 Illumination 10.3 Conductors 10.4 Grounding of Equipment 10.5 Protection of Circuits 10.6 Protection of Personnel 10.7 Protection of Equipment 10.8 Switchboards 10.9 Transformers 10.10 Switches and Circuit Breakers 10.11 Battery Charging 10.12 Lightning Arresters 11. Drilling and Blasting 11.1 Regulations 11.2 Drilling Operations 12. Compressed Air 12.1 General 12.2 Air Plant 12.3 Locks 12.4 Medical Care of Compressed-Air Workers 12.5 Compressed-Air Operations 12.6 Fire Prevention Under Compressed Air 13. Training 13.1 Designated Persons 13.2 Lockout/Tagout 13.3 Compressed Air 13.4 Emergency Action Appendices Appendix A – Instruction for the Guidance of Compressed-Air Workers Appendix B – Survey of Job Site
ASSP does not accept returns on standards, either digital or hardcopy versions. Please read the sales page of the specific standard of interest and review the scope and table of contents to ensure applicability to your needs. If your concerns are related to the quality of a standard, please contact ASSP Standards Development staff.