629 Planning for Workplace Emergencies

The following are basic requirements for the number and location of exits in the workplace:

The number of exit routes should be adequate.
At least two exit routes should be available in a workplace to permit prompt evacuation of employees and other building occupants during an emergency.

Never block exits.

The exit routes should be located as far apart as practical so that if one exit is blocked by fire or smoke, employees can evacuate using the other.

More than two exit routes should be available in a workplace if the number of employees, the size of the building, its occupancy, or the arrangement of the workplace is such that all employees would not be able to evacuate safely during an emergency.
A single exit route is permitted where the number of employees, the size of the building, its occupancy, or the arrangement of the workplace is such that all employees would be able to evacuate safely during an emergency.

For assistance in determining the number of exit routes necessary for your workplace, consult NFPA 101, Life Safety Code.

2-3. Why should exit routes be located as far apart as practical?

To comply with NFPA 1910.150, Chapter 7

To ensure all employees can exit during an emergency as quickly as possible

So that if one exit is blocked by fire or smoke, employees can evacuate using the other

To provide alternate evacuation routes if water sprinklers are active

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