Podcast
Questions and Answers
______ signs should be placed to warn people of the excavation.
______ signs should be placed to warn people of the excavation.
Warning
The walls of every excavation over 1 m (3 ft) deep should be supported by adequate ______ and timbering to prevent collapse.
The walls of every excavation over 1 m (3 ft) deep should be supported by adequate ______ and timbering to prevent collapse.
shoring
Workers shall not enter any excavation over 4 ft in depth unless the sides are sloped to a safe angle. No slope can be steeper than _____ ft horizontal to 4 ft vertical.
Workers shall not enter any excavation over 4 ft in depth unless the sides are sloped to a safe angle. No slope can be steeper than _____ ft horizontal to 4 ft vertical.
3
An Experienced and Trained Worker is designated to directly supervise each excavation project to ensure compliance with sloping and ______ requirements
An Experienced and Trained Worker is designated to directly supervise each excavation project to ensure compliance with sloping and ______ requirements
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Every part of an excavation over 2 m deep where workers work shall be inspected for evidence of a situation that could result in an accident, including compliance with ______ requirements
Every part of an excavation over 2 m deep where workers work shall be inspected for evidence of a situation that could result in an accident, including compliance with ______ requirements
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Top of the walls of an excavation more than 2.0 m deep shall be barricaded to a height of at least 1 m to prevent the fall of workers, meeting ______ requirements
Top of the walls of an excavation more than 2.0 m deep shall be barricaded to a height of at least 1 m to prevent the fall of workers, meeting ______ requirements
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______ is a form of driven piling using thin interlocking sheets of steel to obtain a continuous barrier in the ground.
______ is a form of driven piling using thin interlocking sheets of steel to obtain a continuous barrier in the ground.
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________ means to protect workers by using trench boxes or other types of supports to prevent soil cave-ins.
________ means to protect workers by using trench boxes or other types of supports to prevent soil cave-ins.
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________ involves protecting workers from cave-ins by excavating the sides of an excavation to form horizontal levels or steps.
________ involves protecting workers from cave-ins by excavating the sides of an excavation to form horizontal levels or steps.
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________ is a support system designed to keep the sides of an excavation from caving in, and should be installed from top down and removed from bottom up.
________ is a support system designed to keep the sides of an excavation from caving in, and should be installed from top down and removed from bottom up.
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Study Notes
Excavation Safety Regulations
- Signs should be placed to warn people of the excavation.
- Walls of every excavation over 1 m (3 ft) deep should be supported by adequate shoring and timbering to prevent collapse.
Sloping and Shielding Requirements
- Workers shall not enter any excavation over 4 ft in depth unless the sides are sloped to a safe angle.
- No slope can be steeper than 1.5 ft horizontal to 4 ft vertical.
Supervision and Inspection
- An Experienced and Trained Worker should be designated to directly supervise each excavation project to ensure compliance with sloping and shielding requirements.
- Every part of an excavation over 2 m deep should be inspected for evidence of a situation that could result in an accident, including compliance with sloping requirements.
Barricading and Support Systems
- Top of the walls of an excavation more than 2.0 m deep should be barricaded to a height of at least 1 m to prevent the fall of workers, meeting safety requirements.
- Sheet piling is a form of driven piling using thin interlocking sheets of steel to obtain a continuous barrier in the ground.
- Shielding means to protect workers by using trench boxes or other types of supports to prevent soil cave-ins.
- Benching involves protecting workers from cave-ins by excavating the sides of an excavation to form horizontal levels or steps.
- Shoring is a support system designed to keep the sides of an excavation from caving in, and should be installed from top down and removed from bottom up.
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Description
Test your knowledge on excavation safety measures such as placing warning signs, diverting traffic, and following OSH requirements. Learn about keeping tools and materials at a safe distance from excavation edges to prevent accidents.
