WHAT’S AT STAKE?

Excavation work generally means work involving the removal of soil or rock from a site to form an open face, hole or cavity, using tools, machinery or explosives. It is mandatory that any trench or excavation more than 1.2 m (4 feet) is properly sloped or shored to comply with the occupational health and safety regulations. No employee shall enter any trench or excavation that is not properly sloped or shored.

WHAT’S THE DANGER?

EXCAVATION HAZARDS The main hazards associated with excavation work include:

• Surface encumbrances.
• Excavation collapse.
• Loose rock or soil.
• Contact with underground services and/or overhead power lines.
• Falling […]

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