Perth Earthmoving – Full Site Preparation – Earth Moving Perth

Excavations and Trenching Safety Procedures

The excavation site is one of the most hazardous areas in a construction project. Most excavation accidents are the result of cave-ins or crumpling excavation walls. However, there are several procedures and protective systems designed to protect you in or around an excavation.

Identify safe excavation access, and do not enter an unprotected trench. Make sure to inspect the excavation, adjacent areas, and protective systems daily by a competent person.

A competent person must determine soil type. That person can identify existing and predictable hazards in the surroundings or working conditions that are hazardous to workers and who has the authorization to take immediate corrective measures to eliminate them. A competent person must determine soil type.

Workers must be protected from cave-ins by a sufficient protective system in 5 feet-deep or deeper trenches. Use trench boxes or shields that go with the manufacturer’s recommendations or as designed and approved by a registered professional engineer. Use ramps, runways, ladders, or stairs for access if the trench is over four feet deep.

A certified professional engineer must design more than twenty feet deep excavations, and access must be provided within 25 feet of a work area.

There should be sufficient protection from hazards associated with water accumulation that must be in place before working in excavations. Employees exposed to public vehicular traffic must be provided with and wear reflective warning vests. Walkways with standard guardrails must be provided where workers or equipment are expected to cross over an excavation.

All areas of the excavation site must have a warning system for pedestrians, and vehicular traffic must be in place. The warning system must consist of barricades, hand or mechanical signals, stop logs and flashing lights at night.

Any material or equipment, including spoil that could fall or roll into an excavation, must be placed at least two feet from the edge of the excavation. All surface encumbrances that may create a hazard to workers must be removed or supported.

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