Construction Safety Question:

☛ 1. Excavation area should be suitable barricade
☛ 2. Put sign boards lights and flags
☛ 3. Avoid heavy vehicle coming near the sides
☛ 4. PPE like helmet, safety shoes should be used
☛ 5. Keep the excavated soil at least 5 feet distance
☛ 6. Excavated sides should be sloped bake to a safe angle
☛ 7. Hand excavation should be done at the present of UG pipes or cables place
☛ 8. Cutting shall be done from top to bottom
☛ 9. All narrow trenches 4 feet or more deep shall be supplied at least one ladder
☛ 10. While excavating on the slope on the slope whose height is over 10 feet men should use safety belts