What Are The 6 Bushfire Attack Levels?

Can you do your own bal assessment?

The NSW RFS is not required to do site inspections to assist in determining your BAL.

If the application is for a dwelling, anyone can determine the BAL by using the Guidelines for Single Dwelling Development Application Kit..

How is Bal rating calculated?

BAL Rating Fast & AffordableDetermine your Fire Danger Index (FDI)Determine your site’s vegetation.Determine the distance from the site to the vegetation in question.Determine the slope of the land under the vegetation.Determine the BAL.Apply the construction requirements set out in Australian Standard AS 3959-2009.

What is bushfire attack level?

A Bushfire Attack Level (BAL) is a means of measuring the severity of a building’s potential exposure to ember attack, radiant heat and direct flame contact. It’s measured in increments of radiant heat (expressed in kilowatts/m2).

What are the different Bal ratings?

Bush Fire Attack LevelBALDescription of riskBAL – LOWLowest risk from a potential fire.BAL – 12.5Risk is primarily from potential embers during a fire.BAL – 19Moderate risk, particularly from embers and burning debris.BAL – 29High risk, particularly from embers, debris and heat.2 more rows

What is the highest Bal rating?

What is a BAL Rating?BAL-12.5 – low risk.BAL-19 – moderate risk.BAL-29 – high risk.BAL-40 – very high risk.BAL-FZ – extreme risk (Flame Zone)

How much does Bal 29 cost?

BAL Construction CostsBase HouseLarge two-storeyBAL-19$11,535 ($13,000)$14,981 ($16,500)BAL-29$15,471 ($17,100)$17,095 ($19,000)BAL-40$17,107 ($19,000)$19,751 ($22,000)BAL-FZ$20,885 ($23,100)$28,905 ($32,000)2 more rows•Apr 15, 2020

What is Bal level?

What is BAL? Blood Alcohol Level – BAL (also known as blood alcohol concentration – BAC) represents the amount of alcohol in the bloodstream as you drink. BAL is usually represented in percentages and it’s calculated by determining how many milligrams of ethanol are present in 100 milliliters of blood.

How do I know my bushfire attack level?

Step one Determine your Fire Danger Index (FDI)Step two Determine your site’s vegetation types.Step three Determine the distance from the site to the vegetation.Step four Determine the slope of the land under the vegetation.Step five Determine the BAL.More items…•

What does BAL FZ mean?

Bushfire Attack Level Flame ZoneThe new BAL FZ (Bushfire Attack Level Flame Zone) is the most extreme rating that can be applied to building design and construction. BAL FZ is now applicable to wide swathes of NSW including a large number of North Shore and Northern Beaches suburbs.

How do I lower my bal rating?

Speak to a NSW RFS officer about help obtaining your BAL. You may be able to reduce your level of risk through changing the site location of your home. You can ask for professional advice on this.

What does a BAL rating of 12.5 mean?

BAL—12.5 is primarily concerned with protection of your building from ember attack and radiant heat up to and including 12.5 kW/m2. … The construction requirements for the next lower BAL may be used for an elevation of a dwelling that is not exposed to the source of a bushfire.

What is the 10 30 rule?

The distance at which a tree may be removed has been clarified. You may only remove a tree if any part of the trunk that measures more than 30 centimetres in circumference (around the trunk) at a height of 1.3 metres above the ground, is within 10 metres of the external wall of the building.

How much does a bal cost?

According to home insurance company AAMI, the estimated additional cost for BAL 12.5 to BAL 40 is between $16,000 to $56,000, while BAL 40 is between $19,000 to $73,000. Houses in Flame Zones — the highest risk category — could cost an additional $65,000 to $277,000, to meet requirements.

What is a Bal 29?

BAL 29 – Increased heat flux, burning debris and risk to building integrity. Buildings which are rated as BAL 29 are at serious risk of catching on fire due to burning debris and increased heat flux. … Ember and radiant heat protection are required in the construction of buildings that are rated BAL 29.

What is considered a catastrophic fire danger?

What is catastrophic fire danger? Catastrophic is the highest fire danger rating. High temperatures, strong winds and low humidity are forecast, making conditions dangerous. If a fire starts during catastrophic conditions, lives and homes will be at risk.

What does bushfire buffer zone mean?

A Bushfire Buffer Zone is intended to provide strategically located fuel reduced areas that decrease the potential for large bushfires to develop across the landscape. Bushfire Buffer Zones will typically be located in bushland at the urban fringe or close to rural assets and complement Asset Protection Zones.

What does Bal 29 require?

BAL—29 is primarily concerned with protection of your building from ember attack and burning debris ignited by wind borne embers and radiant heat up to and including 29 kW/m2. … An elevation is not exposed if the entire elevation is completely screened from the source of a bushfire by another part of the building.

What does Bal 40 mean?

very highThe BAL 40 (very high) is the second highest bushfire attack level and is designed to protect buildings from catching fire in the presence of windborne embers and smaller secondary fires triggered by those embers. BUSHFIRE ATTACK LEVEL (BAL) DESCRIPTION OF PREDICTED BUSHFIRE ATTACK AND LEVELS OF EXPOSURE.