Excavation

What is Excavation Work 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.

High Risk Construction Work Regulation 291 – Part (g) Defines High Risk Construction Work This means any work Including excavation Refer page 46 of your notes

High Risk Construction Work

Who has Duties in relation to Excavation A person conducting a business or undertaking A person conducting a business or undertaking who has management or control of a workplace

Identify the Hazards Eliminate or Control the Risk Maintain the Controls Review and Maintain where necessary

Typical Specific Hazards Underground Services

Possible Control

Typical Specific Hazards Fall or Dislodgement of Earth or Rock

Possible Control Exclusion Zones for Excavations

Ground Collapse

Possible Controls

Possible Controls Where the excavation is greater than 1.5m it must be shored. Under 1.5m a competent person must asses the risk

Typical Specific Risks underground essential services the fall or dislodgement of earth or rock falls from one level to another falling objects inappropriate placement of excavated materials, plant or other loads

Possible Controls

Possible Controls

Possible Controls

Possible Controls

Possible Controls

Possible Controls

Possible Controls

Falls

Possible Control

Possible Control

Earthmoving Equipment Collapse of Trench

Possible Controls

Hazard - Blind Spots

Possible Controls