Installation and Removal of Protective Systems
You must take the necessary steps to protect yourself and your employees when installing and removing a protective system.
The OSHA standard permits exposed excavation of two feet or less below the vertical members.
The OSHA standard requires you to take the following steps to protect your employees:
- connect members of the support systems securely;
- install support systems safely;
- avoid overloading members of support systems; and
- install other structural members to carry loads imposed on the support system when you need to remove individual members temporarily
The OSHA standard permits exposed excavation of two feet or less below the vertical members of a support or shield system of a trench if the system is designed to resist the forces calculated for the full trench depth.
Knowledge Check Choose the best answer for the question.
2-4. How much exposed excavation is allowed below the members of a support or shield system if the system is properly designed?
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