Training centre: 100 Tesma Way, Unit 5, Concord 416-930-6180

Trenching and excavation safety training

Trenching and excavation work is dangerous. Hazards include cave-ins, struck-by injuries, electrical contact, and slips, trips and falls. This training helps your crews recognize and control them.

Trenches and excavations

An excavation is a hole left in the ground after material is removed. A trench is an excavation that is deeper than it is wide. Ministry of Labour inspectors target excavation work such as:

  • Trenching to install or repair gas, electrical, telecommunications and sewer services
  • Building foundations
  • Soil retention
  • Digging basements for homes
  • Forming footings for buildings and bridges
  • Road construction and repair

Cave-ins

Cave-ins are one of the biggest hazards. An unstable trench can collapse and bury a worker. Trench stability depends on factors such as:

  • Improper use or installation of a support system or trench box
  • Soil type and moisture
  • Weather and vibration
  • Depth of the trench and how long it stays open
  • Excessive weight near the trench
  • Nearby buildings, existing foundations and previous excavations

Protecting workers

There are three basic ways to protect workers from cave-ins: sloping, shoring and trench boxes.

Need training for your team?

Tell us the course, how many people and when. We'll come back with dates and a price, at our Concord centre or at your workplace.