17 May 2021
What You Need to Know When Building a Commercial Structure
IN BRIEF
Fire Safety in Building Construction
Fire safety encompasses different areas including materials, construction methods and emergency devices and escape routes.
Fire-safe materials are those that are non-combustible such as steel, and construction methods include things like the separation of external walls to slow or prevent the spread of fire. This separation is a requirement when buildings are close together or within 3m of a boundary. To prevent the need for a fire service, a fire wall can be used to separate 2 parts of a building to keep each section under the limit of 500 sqm.
Additionally, including emergency devices such as smoke alarms and evacuation lighting in your design will ensure safety for occupants in the event of a fire. The correct paths of travel and the correct amount of fire exits is also a requirement.
The National Construction Code notes that fire performance requirements for buildings – including commercial buildings – must meet certain levels to be deemed safe. However, these can fall under different classifications. To work out which fire safety guidelines your shed needs to comply with, you first need to determine the classification of the building.
The National Construction Code classifies buildings from 1 – 10, with the main types of commercial structures built by Steelcorp typically falling under Class 7, 8 or 10a.
Find out more: take a look at our article on essential safety measures for commercial buildings.
Do Farm Buildings Fall Under Class 7, 8, or 10a?
It depends on the occupancy, use and size. Buildings used for farming-type purposes are often very diverse: for example, a shed for parking a single tractor may be Class 10a.
On the other hand, if multiple tractors and other farm machinery are parked together, the building may be Class 7a (or even Class 8 if mechanics were employed to regularly work on the machinery within the building).
Your local Council can offer some guidance here, and you can also take a look at the Australian Building Codes Board fact sheet for further information.
If you’ve determined the building class that your structure will fall under, you can get some more detailed information from the National Construction Code itself.
Many clauses in the Code make reference to the building class, which is why it’s handy to know before you determine exactly what fire safety measures you need to take.
Your design and construct partner will be able to provide advice on the specifics of your building, however here are some general things to keep in mind.
General Guidelines for Fire Safety in Buildings
Fire Exits
Allowing for a safe exit from the building needs to be factored in when designing your space. The exact number and location of fire exits will vary depending on the size and design of the building, and any fire doors need to be installed so they open outwards.
Fire Extinguishers
Keeping fire extinguishers at the ready can make all the difference, so it’s important to follow the recommendations in the Code. Extinguishers should be the appropriate type for the flammable materials you have on site, and should generally be located near exit doors.
Access by Emergency Services in the Event of a Fire
As with any type of building, emergency access is critical to minimising the damage associated with a fire. Keeping your driveway and other accessways clear at all times and making sure any firefighting equipment is in good working order will make it easier for firefighters to manage a blaze at your site.
Emergency or Backup Lighting
In the event of a fire, it’s highly possible that you will lose power. This means emergency lighting needs to be installed to ensure anyone inside can easily see illuminated fire exit signage and safely leave the building. Emergency lighting runs off a completely separate circuit or battery system, and it should be installed so that the path to exit is easily visible throughout the entire building.
Post-Construction: Protecting Your New Structure
Of course, once your structure is built you want to protect it! If you’re in a bushfire-prone area or in a rural location, take a look at our article on protecting your structure from fires.
Advice on Fire Design Requirements for Commercial Buildings
Our team are here to help throughout the entire process, from planning to construction. If you have any questions about fire and safety requirements for your commercial, industrial or rural building project, give our friendly team a call.
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