Trenching and Excavation - Canadian Centre for Occupational …
2024年5月10日 · WorkSafe Saskatchewan defines a temporary protective structure as “a structure or device in an excavation, trench, tunnel or excavated shaft that is designed to provide protection from cave-ins, collapse, sliding or rolling materials, and includes shoring, trench boxes, trench shields and similar structures.”
Trenching and Excavation CCOHS Health and Safety Programs Trenching and Excavation On this page What is meant by a trench and an excavation? Generally speaking, an excavation . is a hole in the ground as the result of removing material. A trench is an excavation in which the depth exceeds (is bigger than) the width. What are the hazards
CCOHS: Health and Safety Report - Past Issues
2024年11月20日 · An unstable trench or excavation can collapse, killing or injuring workers by suffocation or crushing from the falling soil. A number of factors such as the improper use or installation of a support system or trench box, soil type and moisture content, the activities carried out adjacent to the site, weather, vibration, depth of the trench, and ...
CCOHS: Health and Safety Report - Past Issues
2024年11月20日 · Monitor other types of trench-related hazards that can occur such as falls from the edge, rigging hazards, or toxic and combustible gases. Implement and enforce procedures to ensure that work in an unprotected trench is not permitted. Workers. Do not enter an unprotected trench. Inspect the protected trench before entering.
CCOHS: Landscaping - Shovelling and Digging
In addition, there may be requirements in your jurisdiction’s health and safety regulations relating to excavation and trenching. Always verify the legislative requirements before digging. For more information on trenching and excavation, please see the …
For more information on trenching and excavation, please see the OSH Answers: Trenching and Excavation . What should I know about cave-ins? One cubic foot of soil can weigh over 45 kg (100 pounds) - a small amount of soil falling into. an unprotected trench can lead to injuries or . fatalities. Even being buried up to the waist can
CCOHS: Confined Space - Introduction
What should be done when preparing to enter the confined space? Back to top. The important thing to remember is that each time a worker plans to enter any work space, the worker should determine if that work space is considered a confined space.
CCOHS: Health and Safety Report - Past Issues
2024年10月17日 · Test for hazardous gas, vapours, dust, and oxygen levels before entering the trench and continue testing oxygen levels as needed. Protect workers from falling into the excavation by installing barriers or guardrails. Ensure workers wear appropriate personal protective equipment as needed. Determine if the trench is considered a confined space.
CCOHS: Health and Safety Report - Past Issues
Keep excavated material at least 1.2 metres away from the edge of an excavation or trench; Remove any loose material that may fall into the excavation or trench. See sections 180 to 188 of General Regulation91-191, under the Occupational Health and Safety Act , for more information about excavations and trenches.
CCOHS: Ladders - Extension
Raise and lower ladders from the ground. Ensure that locking ladder hooks are secure before climbing. For access to an elevated work surface, erect ladders so that a minimum of 1 m (3 ft) extends above a landing platform.
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