Who can do a bal report?
The chart below describes the six bushfire attack levels (BAL) that are used in the Standard. A site assessment can be made by an owner, architect, building designer, building surveyor or builder to ascertain its BAL, which determines the construction methods that must be used.
How do you get a BAL rating?
How do I get at BAL Risk Assessment Certificate? BAL certificates can be issued and obtained from your local council or recognised bush fire consultants. Please refer to the FPAA website at www.fpaa.com.au.
What is the difference between Bal 19 and Bal 29?
BAL-19 Increasing level of predicted ember attack and burning debris ignited by windborne embers together with increasing heat flux not greater than 19kW/m2. BAL-29 Increasing levels of ember attack and burning debris ignited by windborne embers, together with increasing heat flux not greater than 29kW/m2.
Who decides on Bal rating?
BAL rating checklist Get a BAL assessment for your building site. This must be done by a qualified consultant who will assess the site and provide instructions so the build can be designed and constructed in accordance with Standard (AS) 3959 – 2009 Construction of buildings in bushfire prone areas.
What is Bal requirement?
BAL – LOW There is insufficient risk to warrant specific construction requirements. BAL – 12.5 Ember attack. BAL – 40 Increasing levels of ember attack and burning debris ignited by windborne embers together with increasing heat flux with the increased likelihood of exposure to flames.
How long is a bal assessment valid for?
12 months
This report is only valid for a period of 12 months from the date of issue.
What is Sarking on a roof?
Sarking is a pliable membrane that sits under your roof tiles, like a protective second skin. It helps insulation work more efficiently, and protects the things you value from storm driven rain and dust, condensation and bush fire ember attack.
How much does Bal cost?
The fee for a BAL certificate is $400.
What does a Bal 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 are the construction requirements for BAL-19 NSW?
BAL-19 Summary of AS 3959 BAL Construction Requirements: The following identifies the primary construction requirements of BAL-19 including the relevant parts of the NSW variation. External wall covering to be non-combustible or complying timber species within 400mm of surface level. All joints are to be less than 3 mm and vents to be screened.
What are the requirements for a Bushfire Attack Level ( BAL )?
AS3959 lists bushfire construction requirements for Bushfire Attack Level (BAL) as following: Walls of a structure to achieve compliance with a Bushfire Attack Level (BAL) rating of BAL 19 are to be of non-combustible material, or cladded with non-combustible materials or a combination of the materials specified by the AS3959.
Do you need a Bal certificate for complying development?
For complying development to occur on lots considered to be low bush fire risk, the land must be certified as being below a BAL 29 risk rating and meet specific development standards for construction on such land. The BAL certificate should also certify the land and any associated access in not BAL 40 or BAL FZ.
What kind of wall do you need for Bal 19?
As for BAL–19. Enclosure by external wall or by steel, bronze or aluminium mesh. {It is unclear if you can use non-combustible or naturally fire resistant timber supports and have the subfloor unenclosed.} Enclosure by external wall or by steel, bronze or aluminium mesh.
