This standard provides the details to design an excavation plan, including general responsibilities, training and duties of excavation competent person, assessing underground utilities, water accumulation, and stability of adjacent structures, and protecting workers from falls, cave-ins, and confined spaces.
Table of Contents
1. Scope and Application
2. Definitions
3. General Responsibilities
3.1 Owner’s Responsibilities
3.2 Contractor’s Responsibilities
3.3 Project Constructor’s Responsibilities
4. Site Work
4.1 Public Entry
4.2 Surface Encumbrances
4.3 Survey Work
5. Excavation Competent Person: Necessary Training and Required Duties
5.1 Necessary Training
5.2 Required Duties
6. Inspections
7. Excavation Atmosphere
7.1 Excavation Atmosphere Testing and Control
8. Protection of Employees
9. Access and Egress
10. Underground Utilities
11. Excavation Equipment
12. Vehicles and Equipment
13. Material Handling
14. Water Accumulation in Excavations
15. Stability of Adjacent Structures
16. Fall Protection
17. Emergency Rescue from Falls, Cave-Ins, and Confined Spaces
18. Requirements for Excavation Protective Systems
19. Sloping, Benching and Shoring
20. Materials and Equipment
21. Installation and Removal of Protective Systems
22. Shield (Trench Box) Systems
Appendix A – Soil Classification
Appendix B – Sloping and Benching
Appendix C – Timber Shoring for Trench Excavations
Appendix D – Aluminum Hydraulic Shoring for Trenches
Appendix E – Alternative Worker Protection Systems
Appendix F – Excavations
Appendix G – Angle of Repose
Appendix H – Slope and Grade
References and Sources of Other Detailed Information
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