Basic Requirements
Basic requirements for exit routes include the following:
Exit routes must be permanent.
- An exit route must be permanent. Each exit route must be a permanent part of the workplace.
- An exit must be separated by fire resistant materials. Construction materials used to separate an exit from other parts of the workplace must have a one-hour fire resistance-rating if the exit connects three or fewer stories and a two-hour fire resistance-rating if the exit connects four or more stories.
- Openings into an exit must be limited. An exit is permitted to have only those openings necessary to allow access to the exit from occupied areas of the workplace, or to the exit discharge.
- An opening into an exit must be protected by a self-closing fire door that remains closed or automatically closes in an emergency upon the sounding of a fire alarm or employee alarm system. Each fire door, including its frame and hardware, must be listed or approved by a nationally recognized testing laboratory.
Knowledge Check Choose the best answer for the question.
6-2. An opening into an exit must be protected by a _____.
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