Fire safety in the workplace: what OSHA requires and what actually works

Last updated 2026-07-09

Which OSHA fire safety standards apply to your workplace?

Two standards do most of the work: 29 CFR 1910.38 (Emergency Action Plans) and 29 CFR 1910.39 (Fire Prevention Plans). Almost every employer in general industry falls under 1910.38. The Fire Prevention Plan under 1910.39 is required only when another OSHA standard specifically calls for it, such as standards covering flammable liquids (1910.106) or spray finishing (1910.94). If none of those trigger standards apply to your work, you still need an EAP, but a formal FPP is not legally required. ^[1]

Fire safety in the workplace touches several other 29 CFR 1910 subparts. Exit routes are governed by 1910.36 and 1910.37. Portable fire extinguishers fall under 1910.157. Automatic sprinkler systems and standpipe systems are addressed in 1910.159 through 1910.163. Fire detection systems land in 1910.164. Employee alarm systems are at 1910.165. ^[2]

Construction employers follow 29 CFR 1926 Subpart F instead, which has its own fire protection rules. Maritime operations have separate standards under 29 CFR 1915 and 1917. This article focuses on general industry (1910), which covers the majority of small businesses: retail, manufacturing, food service, warehousing, and office work.

If your state runs its own OSHA-approved plan (California, Michigan, Washington, and 19 others), the state rules must be at least as effective as federal OSHA. Many states add requirements on top of the federal baseline, so check your state plan agency if you're in one of those states. You can find the full list of state plan states on OSHA's website. ^[3]

What must an Emergency Action Plan include?

Under 29 CFR 1910.38, an Emergency Action Plan is required for any employer covered by a standard that references it, which in practice means nearly everyone. If you have 10 or fewer employees, OSHA lets you communicate the plan orally instead of in writing. Most small business owners are better off writing it down anyway. An oral plan is hard to enforce and impossible to hand to a new hire. ^[1]

The standard lists the required elements:

• Procedures for reporting a fire or other emergency
• Procedures for emergency evacuation, including the type of evacuation and exit route assignments
• Procedures for employees who remain to operate critical plant operations before evacuating
• Procedures to account for all employees after evacuation
• Procedures for employees performing rescue or medical duties
• The name or job title of every employee who may be contacted by employees who need more information about the plan or an explanation of their duties under the plan

You also need to designate and train employees to assist in evacuation, especially for any workers with mobility limitations. Review the plan with every new employee before they start work, and with all employees whenever the plan changes. ^[1]

One thing the standard does not spell out is how detailed your evacuation routes must be. In practice, a simple floor plan with exits marked in green and the assembly area labeled is enough for most small facilities. What OSHA inspectors actually look for is evidence the plan exists, employees know it, and someone is accountable for it.

What does a Fire Prevention Plan need to cover?

If you're required to have a Fire Prevention Plan under 29 CFR 1910.39, the written document must include: ^[1]

• A list of all major fire hazards, proper handling and storage procedures for hazardous materials, potential ignition sources and their control, and the type of fire protection equipment necessary to control each major hazard
• Procedures to control accumulations of flammable and combustible waste materials
• Procedures for regular maintenance of safeguards installed on heat-producing equipment to prevent the accidental ignition of combustible materials
• The name or job title of employees responsible for maintaining equipment to prevent or control sources of ignition or fires
• The name or job title of employees responsible for the control of fuel source hazards

Like the EAP, the FPP can be communicated orally if you have 10 or fewer employees. And like the EAP, that's a bad idea in practice. A written list of fuel sources, ignition controls, and responsible people costs you a few hours to create and can prevent a six-figure loss.

The most common failure OSHA inspectors find isn't that the document is missing. It's that the document was written once and never touched again. Whenever you add a new chemical, process, or piece of equipment, update both plans the same week. Build it into your purchasing or onboarding process so it's automatic rather than something you remember (or don't) years later.

What are the OSHA requirements for exit routes?

Exit routes are governed by 29 CFR 1910.36 (design and construction) and 1910.37 (maintenance, safeguards, and operational features). Read these closely. Violations here are among the most common OSHA cites in general industry. ^[2]

Key requirements:

• Each workplace must have at least two exit routes, unless the building is small enough and the occupancy low enough that one exit adequately permits safe evacuation. OSHA is skeptical of single-exit arguments; when in doubt, provide two.
• Exit routes must be permanent parts of the workplace. You cannot route employees through a storage room that might be full of product.
• The ceiling of the exit access must be at least 7 feet 6 inches high. The minimum width of an exit access is 28 inches, though wider is required if the occupant load demands it.
• Exit routes must remain unobstructed. A box in front of an exit door, even temporarily, is a citation waiting to happen.
• Doors discharging into exit routes must be self-closing. Exit doors must open from the inside without a key, tool, or special knowledge.
• Exit signs must be illuminated and visible from the direction of exit travel. The letters must be at least 6 inches high with a stroke of 3/4 inch.
• Adequate lighting is required in exit routes at all times that the space is occupied.

OSHA's 29 CFR 1910.37(b)(1) states: "An employer must ensure that each exit route is adequately lighted so that an employee with normal vision can see along the exit route." ^[2]

For small businesses, the most useful habit is a monthly walk of every exit route. Try the doors. Check the signs. Make sure nothing is stored in the path. It takes five minutes and it catches 90% of the problems before an inspector or a fire does.

When are portable fire extinguishers required, and what type?

Portable fire extinguisher requirements live in 29 CFR 1910.157. If you provide extinguishers for employee use, you must maintain them, inspect them annually, and train employees on their use. If you decide employees will NOT use extinguishers and will only evacuate, you must still mount extinguishers if another standard requires them, but you're not required to train employees to operate them. In that case, employees must evacuate immediately upon discovering a fire. ^[4]

Most small businesses take the practical middle ground. They provide extinguishers, train employees on the PASS technique (Pull, Aim, Squeeze, Sweep), and make clear that employees should only fight a small, contained fire if they can do it safely and have an exit behind them.

Extinguisher selection by fire class:

Fire Class	What Burns	Extinguisher Type
Class A	Wood, paper, cloth	Water, foam, dry chemical
Class B	Flammable liquids	CO2, dry chemical, foam
Class C	Energized electrical	CO2, dry chemical (non-conductive)
Class D	Combustible metals	Dry powder (specific to metal)
Class K	Cooking oils/fats	Wet chemical

For most offices and retail spaces, an ABC dry chemical extinguisher within a maximum travel distance of 75 feet for Class A hazards (or 50 feet for Class B) covers the basics. ^[4] Restaurants need a Class K extinguisher at the cooking hood and an ABC elsewhere.

Annual inspection by a licensed fire extinguisher service company typically costs $15 to $50 per unit, depending on your region and the size of the extinguisher. Monthly visual inspections (you check the pressure gauge and confirm it's unobstructed) must be done by someone at your workplace and logged.

Why are fire drills important for workplace safety, and how often should you do them?

OSHA's 29 CFR 1910.38 requires you to train employees on their roles under the Emergency Action Plan, but it does not set a mandatory fire drill frequency for most general industry employers. That surprises a lot of people. The standard says training must happen when the plan is first developed, when an employee is given new emergency responsibilities, and when the plan changes. Beyond that, frequency is your call. ^[1]

So why run drills at all if they aren't always required? Because the fire data answers that plainly. The National Fire Protection Association found that in fires where people were killed or injured, failure to evacuate promptly was a leading contributing factor. People freeze, go back for belongings, or simply don't believe it's real. A drill fixes all three in a way a poster on the wall never will.

For most small businesses, one drill a year is defensible and practical. High-risk operations (chemical plants, commercial kitchens, warehouses with dense racking) should drill twice a year or quarterly. Some state fire codes require specific drill frequencies regardless of what federal OSHA says, so check with your local fire marshal.

A useful drill has three phases. Before: communicate that a drill is happening (unannounced drills can create real panic or injuries, especially around heavy machinery). During: time the evacuation, note any bottlenecks or confusion. After: debrief within 24 hours. Who hesitated? Which exit got ignored? Was the assembly area clear of traffic? Fix what you found. Document everything. The documentation matters because when OSHA asks whether employees are trained, a drill log is your evidence.

On osha training more broadly, fire emergency procedures are a required topic under any OSHA 30 course curriculum, so anyone who has finished that training already has a foundation in evacuation principles.

What are the leading causes of workplace fires, and which industries have the highest risk?

The U.S. Fire Administration and the Bureau of Labor Statistics track workplace fire data, though the two datasets measure slightly different things (fires versus fire-related fatalities), so the numbers don't always line up cleanly.

According to the U.S. Fire Administration, the leading causes of non-residential building fires are cooking equipment (29% of fires), heating equipment (13%), intentional fires (10%), and electrical distribution and lighting equipment (9%). ^[5] Cooking fires cause a disproportionate share of injuries because they start fast in confined spaces.

On the fatality side, the Bureau of Labor Statistics reported that fires and explosions accounted for roughly 2% of all fatal occupational injuries in recent years, typically 150 to 250 deaths annually. The agriculture, forestry, fishing, and hunting sector and the construction sector have elevated rates. ^[6]

High-risk industries for workplace fires:

Industry	Primary Fire Hazards
Food service / restaurants	Cooking equipment, grease accumulation, gas lines
Manufacturing	Flammable chemicals, hot work, electrical equipment
Warehousing	Combustible storage, forklift charging, dust accumulation
Construction	Hot work, temporary heating, flammable materials
Agriculture	Grain dust, equipment, field fires
Auto repair	Flammable liquids, spray painting, welding

For office and retail environments, electrical failures and unattended space heaters are the most common ignition sources. The risk is lower than in heavy industry but it's not zero. An electrical fire in a small office can be just as deadly if exit routes are blocked or employees don't know the plan.

How should you train employees on fire safety, and what does OSHA require?

Training requirements under 29 CFR 1910.38 are outcome-based, not hour-based. OSHA doesn't say "give two hours of training." It says employees must be trained to know what to do in an emergency. Specifically:

• Before initial assignment to work in an area where they may be exposed to emergency situations
• Whenever responsibilities under the EAP change
• Whenever the EAP is revised

For fire extinguisher use, 29 CFR 1910.157(g) requires training upon initial assignment and at least annually thereafter for any employees designated to use extinguishers. ^[4]

Good fire safety training for most small businesses covers a short list: how to recognize a fire emergency, how to activate the alarm, the evacuation route and assembly point, the role of the floor warden or fire captain (whoever counts heads), how to assist coworkers with disabilities, when it is and is not appropriate to use a fire extinguisher, and what to do if you hit smoke and can't use your primary exit.

Training does not have to be elaborate. A 20-minute walkthrough of the facility, a review of the EAP, and a live demonstration of the PASS technique on an extinguisher cover the basics for most operations. Document who attended, the date, and the topics covered. Keep that record at least three years as a general best practice (OSHA's recordkeeping rules vary by standard, but having training records is always better than not having them).

For operations where supervisors need a deeper foundation in emergency procedures, OSHA 30 training includes fire protection as a topic area and is a solid investment for anyone running a site with real fire risk.

What should a workplace fire prevention plan actually look like for a small business?

Here's the honest answer: most small businesses overcomplicate this. A fire prevention plan doesn't need to be 40 pages. It needs to be accurate, current, and actually used.

For a small manufacturing or food-service operation, a functional FPP might be four to six pages:

Page 1: Facility identification, plan owner, date last revised. Page 2: List of major fire hazards (flammable liquids stored, cooking equipment, compressed gas cylinders, etc.) with the quantity on-site and storage location. Page 3: Ignition source controls (no-smoking zones, hot work permit procedures, electrical equipment inspection schedule). Page 4: Housekeeping procedures (how often combustible waste is removed, who is responsible). Page 5: Maintenance schedule for fire protection equipment (who services the hood suppression system and when, who inspects extinguishers monthly). Page 6: Names and roles of employees responsible for each hazard category.

Keep it on paper and in a shared drive. Review it whenever you add a new piece of equipment, a new chemical, or a new process. That review takes 15 minutes if the document is already organized.

If you want a compliant written program in place quickly, SafetyFolio's safety program generator walks you through the required elements for both the EAP and FPP based on your specific industry and hazards. It's built for the business owner who doesn't have a safety consultant on retainer.

One thing worth saying plainly: a plan that lives only as a PDF nobody reads is no safer than having no plan at all. The goal is a document your employees can actually find and understand under pressure.

What are the most common OSHA fire safety violations, and how much do they cost?

OSHA publishes its top 10 most frequently cited standards every year. Fire-related standards that consistently appear include 29 CFR 1910.157 (portable fire extinguishers) and exit route violations under 1910.36 and 1910.37. ^[7]

Penalty amounts as of fiscal year 2024: OSHA's maximum penalty for a serious violation is $16,550 per violation. Willful or repeated violations can reach $165,514 per violation. ^[8] OSHA adjusts these figures annually for inflation under the Federal Civil Penalties Inflation Adjustment Act.

Common violations that inspectors actually write up:

• Blocked or locked exit doors
• Missing or illegible exit signs
• Fire extinguishers that haven't been inspected annually or are missing inspection tags
• No written Emergency Action Plan (or one that hasn't been updated in years)
• Employees who can't explain the evacuation procedure when asked
• Flammable materials stored too close to ignition sources
• Exit routes narrowed by storage or equipment

The blocked exit violation shows up most often in enforcement data. It's also the easiest to fix. Walk your exits today. If anything is in the way, move it now, not after the inspection.

Small businesses (under 25 employees) may qualify for reduced penalties, and OSHA's On-Site Consultation Program (separate from enforcement) offers free confidential inspections that help you find problems before a compliance officer does. ^[9] That program is genuinely useful and badly underused.

How do fire codes from your local fire marshal interact with OSHA requirements?

OSHA and local fire codes are separate systems with overlapping goals and sometimes conflicting specifics. OSHA is a federal labor safety agency enforced by federal or state labor inspectors. Local fire codes are enforced by your municipal or county fire marshal under state building and fire codes, most of which are based on the National Fire Protection Association's NFPA 1 (Fire Code) or the International Fire Code.

Both sets of rules apply to you at the same time. Complying with one does not exempt you from the other. If your local fire code requires monthly fire drills and OSHA's standard doesn't, you still have to run the monthly drills.

Local fire codes are usually more specific about physical requirements: sprinkler spacing, hydrant access, fire lane widths, occupancy loads, and inspection schedules for suppression systems. OSHA leans toward the employee safety program side: training, written plans, and employer accountability.

Your local fire marshal is a resource, more than an enforcer. Many fire departments offer free walk-through inspections for businesses on request. They'll tell you exactly what their code requires before issuing a violation, which beats finding out during an annual inspection. For workplace safety news on fire code changes in your area, your local fire marshal's website or your state fire chief's association is the best source.

If you're in a leased space, also check your lease and your Certificate of Occupancy. Your landlord may carry obligations for the building systems (sprinklers, alarms, exit lighting) while you own the interior program and employee training.

What fire safety responsibilities do employers have for employees with disabilities?

This is an area where OSHA's standards are less specific than the practical need demands. The EAP requirement under 1910.38(c)(4)(ii) says you must have procedures to account for all employees after evacuation. OSHA reads that to include employees who may need assistance evacuating, including those with mobility impairments, hearing impairments, or other disabilities. ^[1]

The ADA adds a separate layer. The ADA doesn't have specific fire evacuation rules, but EEOC guidance and DOJ interpretations make clear that employers must provide reasonable accommodations in emergency planning. That can mean assigning a buddy to a wheelchair user, identifying Areas of Refuge where employees can safely wait for fire department assistance, or equipping employees with visual alarm systems if they have hearing impairments.

Areas of Refuge are enclosed spaces in stairwells or elsewhere in the building where a person who can't use stairs can wait for firefighter assistance. Building codes may require them in new construction. If your building has them, your EAP should include instructions for their use and a communication method so the fire department knows someone is waiting there.

Be direct with employees who may need assistance. Have a private conversation, document the accommodation you agree to, and make sure the assigned buddy knows the role and is physically capable of helping. Review these assignments whenever there's a staff change. An evacuation plan that works for 19 out of 20 employees is not a compliant plan.

How do you write a fire safety program that actually gets used?

Most written safety programs fail not because they're wrong but because they're ignored. The plan sits in a binder, gets pulled out when an inspector arrives, and gathers dust otherwise. Here's what changes that.

First, make one person accountable by name, not by title. "The safety coordinator" can change without anyone updating the plan. A named person has skin in the game.

Second, tie the plan to things that already happen. Your monthly extinguisher inspection should land on the same day as your monthly inventory count or your equipment checklist. Attach it to an existing routine and it gets done.

Third, keep the document short enough that someone will actually read it. A 60-page fire safety manual is a filing cabinet ornament. A four-page plan with a one-page quick reference for employees is something people look at.

Fourth, debrief after every drill and after any real incident, including small ones. A close call with a grease fire is information. Use it. Update the plan based on what you learned.

Fifth, onboard every new employee with a 15-minute fire safety orientation covering the exit routes, the assembly point, and who to report to. This is required under 1910.38 anyway, and if you make it a standard part of day-one onboarding it actually happens.

SafetyFolio's generator produces the written plan fast, but the document is only as good as the culture around it. The generator gets you compliant on paper. What you do with it in the first 90 days decides whether it's actually a safety tool.

For more on building a program that holds up under inspection, see our resources on OSHA basics and what regulators actually look for.

Frequently asked questions

Does OSHA require a fire drill at work every year?

Federal OSHA's 29 CFR 1910.38 does not specify an annual fire drill frequency for general industry. It requires training when the Emergency Action Plan is developed, when employee responsibilities change, and when the plan changes. Your local fire code may require specific drill frequencies, so check with your fire marshal. Most safety professionals recommend at least one drill per year for low-risk workplaces and two or more for high-hazard operations.

How many fire extinguishers are required in a workplace?

The number depends on your floor area and hazard class. Under 29 CFR 1910.157, for ordinary Class A hazards, extinguishers must be placed so no employee travels more than 75 feet to reach one. For Class B hazards, travel distance drops to 50 feet. A typical 10,000-square-foot single-story facility with light hazards might need two to four extinguishers. Your local fire code may require more, so confirm with your fire marshal.

What is the difference between a Fire Prevention Plan and an Emergency Action Plan?

An Emergency Action Plan (29 CFR 1910.38) tells employees what to do when a fire or emergency happens: how to evacuate, where to assemble, and who is in charge. A Fire Prevention Plan (29 CFR 1910.39) focuses on preventing fires before they start: identifying fuel sources, controlling ignition sources, and maintaining equipment. The EAP is required for nearly all employers. The FPP is required only when another specific OSHA standard triggers it.

Do I need a written fire safety plan if I have fewer than 10 employees?

OSHA lets employers with 10 or fewer employees communicate the Emergency Action Plan orally instead of in writing. The same exception applies to the Fire Prevention Plan. Even so, writing the plan down is strongly advisable below the threshold. An oral plan can't be handed to a new hire, reviewed after an incident, or shown to an inspector as evidence of compliance. The writing itself takes a few hours at most.

How often do fire extinguishers need to be inspected at work?

Under 29 CFR 1910.157, portable fire extinguishers must be visually inspected monthly (by someone at your facility) and given a maintenance check annually by a qualified person, typically a licensed fire extinguisher service company. Extinguishers must also undergo a hydrostatic pressure test every 5 to 12 years depending on the type. Keep an inspection tag on each unit and a log of the monthly checks.

Can an employer lock emergency exit doors?

No. Under 29 CFR 1910.36(d), exit doors must open from the inside at all times without a key, tool, or special knowledge. Padlocked or chained exit doors are one of the most serious violations OSHA cites and one of the most common contributing factors in fire fatalities. Delayed-egress locks that release automatically after 15 seconds are allowed under some fire codes for security purposes, but only in specific circumstances and with proper alarm notification.

What should employees do if they discover a fire at work?

The standard response sequence is: activate the alarm, call 911, evacuate using the designated route, close doors behind you to slow fire spread, report to the assembly area, and confirm your presence to the designated head-count person. Employees should only use a fire extinguisher on a small, contained fire if they are trained, have a clear exit behind them, and the fire has not spread beyond its origin. When in doubt, get out.

How do OSHA fire safety requirements differ for construction sites?

Construction falls under 29 CFR 1926 Subpart F rather than 1910. Key differences include requirements for fire extinguishers on vehicles and equipment, rules for temporary heating equipment, and specific provisions for flammable liquid storage. The general principles (exit routes, employee training, prevention planning) are similar, but the specific thresholds and equipment requirements differ. Construction supervisors working on sites with fire hazards should review 1926.150 through 1926.155.

Are sprinkler systems required by OSHA?

OSHA's standards for automatic sprinkler systems (29 CFR 1910.159) apply when a sprinkler system is installed, governing its design and maintenance. OSHA does not universally require all workplaces to install sprinklers. Whether a sprinkler system is required in your building is typically determined by your local building code and fire code based on occupancy type, building size, and construction materials. Many jurisdictions require sprinklers in buildings over a certain square footage or occupant load.

What are OSHA's requirements for fire safety signage?

Exit signs must be illuminated and clearly visible from the direction of exit travel under 29 CFR 1910.37. Letters must be at least 6 inches high with a stroke width of 3/4 inch. Signs must be maintained and operational at all times. Exit routes must also be adequately lighted. OSHA does not require a specific color for exit signs (red and green are both compliant), but local building codes may have color preferences.

What is a hot work permit and when is one required?

A hot work permit is a documented authorization for work that produces open flames, sparks, or heat sufficient to ignite combustible materials. Examples include welding, cutting, brazing, and grinding. OSHA references hot work controls in several standards, including 1910.252 for welding. NFPA 51B provides the most detailed hot work permit program guidance. Many insurance carriers require a formal permit program. At minimum, the permit should identify the location, the work, fire watch responsibilities, and duration.

How much does a workplace fire typically cost a small business?

The National Fire Protection Association estimated that non-residential structure fires caused $3.7 billion in direct property damage in 2021 alone. For an individual small business, a fire that interrupts operations for weeks or months often costs more than the physical damage through lost revenue, customer attrition, and inventory replacement. The U.S. Small Business Administration reports that a large share of small businesses never reopen after a major fire. Insurance covers some costs; downtime rarely is fully covered.

Do remote workers or home-based employees need fire safety training?

OSHA's general industry fire standards apply to fixed workplaces, not private residences. A fully remote employee working from home is not covered by 1910.38 in their home environment. If that employee ever works in your physical facility, they must be trained on the facility's EAP before doing so. For home office safety generally, OSHA's guidelines are advisory rather than mandatory, but providing basic fire safety information is good practice and may be required by some state laws.

What is the assembly area and does OSHA specify where it should be?

An assembly area is where employees gather after evacuating so you can account for everyone. OSHA's 1910.38 requires procedures to account for all employees after an emergency evacuation but does not specify a distance or location for the assembly area. As a practical matter, it should be far enough from the building that employees are clear of fire department access, out of the path of emergency vehicles, and not so far that employees drift away before being counted.

Sources

1. OSHA, 29 CFR 1910.38 and 1910.39 (Emergency Action Plans and Fire Prevention Plans): Requirements for Emergency Action Plans and Fire Prevention Plans, including written vs. oral options for employers with 10 or fewer employees
2. OSHA, State Plans page: List of states with OSHA-approved state plans that must be at least as effective as federal standards
3. OSHA, Portable Fire Extinguishers standard (29 CFR 1910.157): Requirements for extinguisher placement, travel distance, annual inspection, and employee training frequency
4. U.S. Fire Administration, Non-residential Building Fires statistics: Cooking equipment causes 29% of non-residential building fires; heating equipment causes 13%
5. Bureau of Labor Statistics, Census of Fatal Occupational Injuries: Fires and explosions account for roughly 2% of all fatal occupational injuries, typically 150-250 deaths annually
6. OSHA, Top 10 Most Frequently Cited Standards: Portable fire extinguishers (1910.157) and exit route violations are among the most frequently cited standards in general industry
7. OSHA, Penalties page: Maximum penalty for a serious violation is $16,550 per violation; willful or repeated violations up to $165,514 per violation as of FY2024
8. OSHA, On-Site Consultation Program: Free confidential on-site consultation program available to small and medium-sized businesses, separate from enforcement
9. National Fire Protection Association, NFPA 2021 U.S. Fire Loss in Structures report: Non-residential structure fires caused $3.7 billion in direct property damage in 2021
10. OSHA, Fire Safety overview page: Overview of OSHA fire safety standards including sprinkler systems (1910.159), fire detection (1910.164), and employee alarm systems (1910.165)
11. OSHA, Welding, Cutting and Brazing standard (29 CFR 1910.252): Hot work permit and fire watch requirements for welding and cutting operations in general industry