Make sure each exit is a permanent part of the workplace.
Make sure an exit route has only those openings necessary to permit access to, or exit from, occupied areas of the workplace.
Make sure any opening into an exit through a fire wall is protected by a self-closing fire door that remains closed.
Make sure each fire door, its frame, and its hardware is listed or approved by a nationally recognized testing laboratory.
Make sure construction materials, used to separate an exit route, have at least:
One-hour fire resistance rating if the exit connects three stories or less.
Two-hour fire resistance rating if the exit connects four stories or more.
Make sure employees are provided with stairs or a ramp, if the exit route is not substantially level.
[Statutory Authority: RCW 49.17.010, [49.17].040, and[49.17].050 . 01-11-038, § 296-800-31015, filed 5/9/01, effective 9/1/01.]