Print
SECTION FIVE - TRENCHES AND EXCAVATION
Trenching Regulations 208 Manual Soil Testing 225-227
Trenching Definitions 208-213 Trenches & Excavations 227-229
Trenching Hazards 213,214 Excavation Protection 229-246
Soil Mechanics 214-216 Preliminary Work 229,230
Trench Failure 217,218 Engineering Approvals 231
Types of Soil Collapse 218-221 Dangerous Conditions 231,232
Zone of Exposure 219 Protection System Types 232,233
Spoil Pile Slide 219 Sloping & Benching 233-237
Side Wall Shear 220 Shoring 237-240
Cave-ins (Sloughing) 220 Shielding 241-242
Soil Rotation 221 Installation of Shoring 243-246
Soil Classifications 221,222 Shafts & Tunnels 247-250
Soil Testing 222-227 Trench Collapse 250-252
Visual Soil Testing 224 Visual Soil Testing 224