A remodeler is excavating for a new spread footing beside an existing house. At what depth must employees in the excavation be protected by a sloping, benching, shoring, or shielding system, unless the excavation is entirely in stable rock?
- A2 feet
- B4 feet
- C5 feet, unless a competent person finds no indication of a potential cave-in in a shallow…
- D10 feet only