๐Ÿ“‹ Core RequirementsEssential Guide

Emergency Exit Plans: OSHA Requirements & Guide

A practical guide to OSHA exit-route duties, locally adopted posting rules, and creating an emergency exit-plan draft for workplace and AHJ review.

1910.36Exit Route Design
1910.37Exit Route Maintenance
28"Minimum Route Width
Exit Route Requirements

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๐Ÿ“„What Is an Emergency Exit Plan?

An emergency exit plan is a documented strategy and visual map showing how building occupants should exit the building during any emergency โ€” fire, severe weather, chemical release, active threat, or other hazard. Under OSHA, exit plans are governed by two key standards: 29 CFR 1910.36 (Design and Construction Requirements for Exit Routes) and 29 CFR 1910.37 (Maintenance, Safeguards, and Operational Features for Exit Routes). Together with the Emergency Action Plan requirement (29 CFR 1910.38), these standards form the foundation of workplace emergency preparedness.

๐Ÿ“‹OSHA Exit Route Requirements (29 CFR 1910.36)

  • ๐Ÿ“‹At least two exit routes unless a single route is permitted under 29 CFR 1910.36(b)(3)
  • ๐Ÿ“‹Exit routes must be permanent parts of the workplace
  • ๐Ÿ“‹Exit routes must lead directly to the outside or to a street
  • ๐Ÿ“‹Minimum 28-inch width for exit access (corridor width may need to be wider)
  • ๐Ÿ“‹Minimum 7 feet 6 inches ceiling height throughout exit route
  • ๐Ÿ“‹Exit doors must open from the inside without keys or special tools
  • ๐Ÿ“‹Exit doors must swing outward in the direction of exit travel
  • ๐Ÿ“‹Exit routes must be able to handle the building occupant load
  • ๐Ÿ“‹Exit discharge must lead to a public way (street, alley, or open space)

โœ“Exit Route Maintenance (29 CFR 1910.37)

  • โœ“Exit routes kept free from obstructions at all times
  • โœ“Exit routes kept free of explosive or highly flammable materials
  • โœ“Exit route surfaces maintained and in good repair
  • โœ“EXIT signs posted at each exit door
  • โœ“EXIT signs visible from maximum distance of 100 feet
  • โœ“EXIT sign letters at least 6 inches high, 3/4-inch wide strokes
  • โœ“Exit signs remain illuminated at all times (including power failure)
  • โœ“Emergency lighting provides 90 minutes of backup illumination
  • โœ“"NOT AN EXIT" signs on doors that could be mistaken for exits
  • โœ“Doors along exit routes equipped with panic hardware (if required)

โš ๏ธExit Sign & Lighting Specifications

ViolationMax Fine
EXIT sign letter height6 inches min
EXIT sign stroke width3/4 inch min
Visibility distance100 feet min
Emergency lighting backup90 minutes min
Exit route lighting (minimum)1 foot-candle
Route clear width28 inches min
Ceiling height7 ft 6 in min

๐Ÿ“„What Your Exit Plan Must Include

Common emergency exit-plan diagram content includes current available exits and routes, a location-specific "You Are Here" marker, relevant emergency equipment that is actually present, assembly information when used by the plan, applicable accessible-egress information, building or floor identification, a legend, and a revision date. Federal OSHA does not prescribe universal evacuation-map content or color coding. Confirm required content, symbols, colors, orientation, and posting locations under the adopted code and with the AHJ.

โœ“Where to Post Emergency Exit Plans

  • โœ“Use only locations required by the adopted code or approved by the AHJ
  • โœ“Consider decision points where a diagram would support orientation
  • โœ“Make each posted copy location-specific and legible
  • โœ“Confirm mounting height, accessibility, size, and protection requirements
  • โœ“For lodging, verify guest-room duties under licensing and adopted codes
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Expert Tip

Emergency Exit Planning Expert Tip

Fire Marshal David ChenFire Prevention Inspector, 22 Years

The number one mistake I see during inspections is businesses that have exit plans posted but the plans don't match the current layout. Every renovation, furniture rearrangement, or equipment installation that affects exit paths means your exit plan needs updating. I tell building managers: walk every exit route on your plan once a quarter. If the path doesn't match what's on paper, update it immediately. With tools like OSHAMap, regenerating an updated plan takes 30 seconds โ€” there's no excuse for outdated exit plans.

๐Ÿ“„How Many Exits Does My Building Need?

Required exits, separation, and travel distance depend on the locally adopted building or fire code, occupancy, occupant load, sprinkler protection, layout, and amendments. OSHA 29 CFR 1910.36 generally requires at least two exit routes, but permits one where the number of employees, building size, occupancy, or arrangement allows safe evacuation. Have a qualified reviewer or the AHJ calculate the requirements for the actual facility.

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Frequently Asked Questions

An emergency exit plan documents how occupants should evacuate. Depending on the applicable OSHA standard and adopted local code, it may include procedures, route assignments, training, and diagrams. Federal OSHA does not universally require maps posted throughout a building.

The answer depends on applicable OSHA provisions and the locally adopted building or fire code, including occupancy, occupant load, arrangement, and protection features. OSHA generally requires at least two exit routes but permits one in the circumstances described by 29 CFR 1910.36(b)(3). Confirm the site-specific count with a qualified reviewer or AHJ.

OSHA 29 CFR 1910.37 requires: EXIT signs at every required exit doorway, letters at least 6 inches high with 3/4-inch strokes, visible from 100 feet, illuminated at all times with 90-minute battery backup. "NOT AN EXIT" signs on doors that could be mistaken for exits.

Exit plans should be reviewed whenever the building layout changes, exits are modified, or equipment is moved. At minimum, conduct an annual review. OSHA requires retraining employees when the plan changes. Best practice is quarterly exit route walkthroughs to verify plan accuracy.

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