Part 9 - EXCAVATION, TRENCHING, AND SHORING
- Part 9 - EXCAVATION, TRENCHING, AND SHORING
- Section R. 408.40901 - Scope and referenced standards
- Section R. 408.40925 - Definitions A to Q
- Section R. 408.40926 - Definitions; S
- Section R. 408.40927 - Definitions; T, U
- Section R. 408.40931 - Locating utility lines
- Section R. 408.40932 - Excavation; consideration of soil types; water; slide hazards
- Section R. 408.40933 - Excavation; obstructions; retaining materials; egress; guarding; heavy equipment
- Section R. 408.40934 - Hazardous atmospheres; testing and controls
- Section R. 408.40941 - Excavation; angle of repose
- Section R. 408.40942 - Supporting systems; angle of repose; tie backs; sheeting; additional bracing
- Section R. 408.40943 - Additional requirements for trench support systems
- Section R. 408.40944 - Benching and sloping
- Section R. 408.40945 - Trenching boxes and shields
- Section R. 408.40946 - Rescinded
- Section R. 408.40951 - Walkways, sidewalks, roadways
- Section R. 408.40952 - Rescinded
- Section R. 408.40953 - Adjacent structures; protection; design; inspection of shoring, bracing, and underpinning