Research Article
Excavation Safety Modeling Approach Using BIM and VPL
Table 2
OSHA regulations related to excavation works.
| | Depth | Soil type | Slope ratio | Protection needed | | Cave-ins | Safety egress | Fall |
| | D < 5 ft | — | Vertical side 1 : 0 | No | No | No | | 5 ft < D < 20 ft | Stable rock | Vertical side 1 : 0 | No | Yes | Yes | | Type A | 0.75 : 1 | Yes | Yes | Yes | | Type B | 1 : 1 | Yes | Yes | Yes | | Type C | 1.5 : 1 | Yes | Yes | Yes | | D > 20 | — | Consult P.E | Yes | Yes | Yes |
|
|
