Construction Confined Space Basics
What is a Confined Space?
Before we get into the requirements of a confined space program, let's discuss the basic characteristics of a confined space.
Confined Space Criteria
In the United States, a confined space is a space that meets all of the following 3 criteria:
- Size Requirement: It is large enough and so configured that an employee can fully enter the space and perform work.
- Access/Egress Requirement: It has limited or restricted means for entry, exit, or both.
- Occupancy Requirement: It is not designed for continuous human occupancy.
1. Size Requirement
A confined space must be large enough for a worker to access completely.
A space that is just large enough for a person to squeeze into, but not perform any work, is not a confined space. Similarly, a space that is too small for a person to enter completely is not a confined space.
Note: In Canada, OHS regulations are the responsibility of each province. Many of the regulations are similar between provinces, but there are differences. In Canada, a confined space is an enclosed or partially enclosed space. See Guidance for the interpretation and application of the amended Canada Occupational Health and Safety Regulations for more information.
Knowledge Check Choose the best answer for the question.
1-1. What is a characteristic of a confined space as defined by OSHA?
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