How Many Fire Wardens Does My Workplace Need? AS 3745-2010 Requirements Explained

How Many Fire Wardens Does My Workplace Need?

One of the most common questions employers ask when preparing their emergency management plan is: how many fire wardens does my workplace actually need? The answer is governed by Australian Standard AS 3745-2010 Planning for Emergencies in Facilities, which sets out the framework for emergency planning in all workplaces across Australia, including Western Australia.

The AS 3745-2010 Framework for Warden Numbers

AS 3745-2010 does not prescribe a single fixed ratio of wardens to occupants. Instead, it requires that the Emergency Planning Committee (EPC) for each facility determine the appropriate number of wardens based on a risk assessment of the specific facility. This assessment must consider:

• The total number of occupants in the facility at any given time
• The physical layout of the building, including the number of floors, wings, and zones
• The types of occupants (including visitors, contractors, and people who may need assistance)
• The nature of the work being carried out and associated hazards
• The size and complexity of the evacuation routes

General Industry Guidance on Warden Ratios

While AS 3745-2010 does not mandate a specific ratio, the standard and associated industry guidance generally recommend one warden for every 20 occupants as a baseline starting point. However, this ratio should be adjusted upward in facilities where:

• Occupants have limited mobility or disability
• The building has complex floor plans or multiple stairwells
• The facility operates across multiple shifts
• There are high-risk activities such as chemical storage or manufacturing processes
• The building has poor natural lighting or complex egress paths

Facility Type	Recommended Warden Ratio	Notes
Standard office	1 per 20 occupants	Adjust for floor size
Multi-storey building	1 per floor minimum	Plus additional for large floors
Warehouse or factory	1 per zone	Based on physical separation
Childcare or school	Higher ratio required	Due to occupant vulnerability
Hospital or aged care	Higher ratio required	Non-ambulatory occupants

The Role of the Chief Warden

Every facility must designate a Chief Warden who is responsible for overall coordination of the emergency response. The Chief Warden is the most senior warden role and must be trained to a higher standard than area wardens. In larger facilities, a Deputy Chief Warden should also be appointed to ensure continuity when the Chief Warden is absent.

The Chief Warden's responsibilities include:

• Declaring an emergency and initiating the emergency response
• Coordinating communication with emergency services (fire brigade, ambulance)
• Receiving reports from area wardens and directing the overall evacuation
• Liaising with the Emergency Planning Committee
• Conducting post-incident debriefs

Warden Zones and Area Wardens

For multi-storey or large-footprint buildings, the facility is typically divided into warden zones. Each zone requires at least one Area Warden who is responsible for:

• Conducting a sweep of their designated zone to ensure all occupants have evacuated
• Assisting occupants who require help to evacuate
• Reporting zone clearance to the Chief Warden
• Directing occupants to the assembly area
• Preventing re-entry until the all-clear is given

Accounting for Absences and Shift Work

A critical but often overlooked requirement is ensuring warden coverage at all times the facility is occupied. This means you must appoint more wardens than the minimum required to account for annual leave, sick leave, and shift changes. Industry best practice is to have at least two trained wardens per zone so that coverage is maintained even when one is absent.

For facilities operating across multiple shifts, each shift must have its own designated wardens. The emergency management plan must clearly identify who the wardens are for each shift and how handover of warden responsibilities occurs.

Warden Identification

AS 3745-2010 requires that wardens be clearly identifiable during an emergency. This is typically achieved through the use of coloured hard hats or vests:

• White hard hat or vest — Chief Warden
• Red hard hat or vest — Area Warden / Fire Warden
• Yellow hard hat or vest — Area Warden (some facilities use yellow for floor wardens)

Warden identification equipment should be stored in an accessible location known to all wardens and should be included in the facility's warden kit.

Reviewing Warden Numbers Regularly

Your warden numbers are not a set-and-forget arrangement. AS 3745-2010 requires that the emergency management plan be reviewed whenever there are significant changes to the facility, including changes in occupant numbers, building modifications, or changes in the nature of work being carried out. A review should also occur after any emergency or evacuation exercise that reveals gaps in warden coverage.

Getting Professional Guidance

Determining the right number of wardens for your specific facility can be complex, particularly for multi-tenancy buildings, facilities with high visitor numbers, or workplaces with complex risk profiles. Working with a qualified emergency management trainer who can assess your facility and help you develop a compliant warden structure is the most reliable way to ensure your workplace meets its obligations under AS 3745-2010 and the relevant Work Health and Safety legislation.

Ready Set Rescue WA provides onsite Fire Warden and Chief Warden training delivered by experienced firefighters, and can assist your Emergency Planning Committee in determining the appropriate warden structure for your facility.