What does Bal-19 require?
Bushfire Attack Level (BAL) – 19 (Moderate) BAL—19 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 19 kW/m2.
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.
Can I do my own bal assessment?
Can I arrange my own BAL assessment? While you are encouraged to use the information provided, you can engage an accredited consultant to prepare an independent assessment. The assessments would still need to be referred to the CFA.
Can you build in a flame zone?
In NSW it is extremely difficult to get approval to build in the flame zone. All applications must go through the RFS.
What is the Australian standard for constructing buildings in bushfire prone areas?
AS3959
Australian Standard AS3959:2018 Construction of buildings in bushfire-prone areas is an Australian standard for construction of buildings in bushfire-prone zones. The latest release of AS3959 has significant changes, bringing major changes to construction of homes to be built in the future.
How much does Bal 29 cost?
BAL Construction Costs
| Base House | Large two-storey | |
|---|---|---|
| BAL-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) |
How is Bal calculated?
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 BAL rating is Merbau?
Timber log walls (guage planed, species density of 680kg/m3 or greater at 12% moisture content) can also be used with a minimum nominal overall thickness of 70mm (at the interface of two logs) and comply up to BAL–19. Stocked at NHS: Merbau 90 x 19, 140 x 25. Blackbutt 86 x 19, 140 x 22.
How much does a bal assessment cost?
The fee for a BAL certificate is $400.
Who can prepare a bal assessment?
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.
Can you build Bal 40?
Building to the correct BAL measure can help a building to potentially survive a bush fire and provide better protection for human life.” The ’40’ relates to the radiant heat levels from the fire (meaning they won’t exceed 40kW/m2) #youlostmethere #overmyhead.
How do I lower my bal rating?
Depending on the outcomes of your BAL assessment, building construction standards can be increased to meet the requirements of your assessed BAL. Alternatively, vegetation modification surrounding the allotment/dwelling can be undertaken to reduce the BAL and consequent exposure level during a bushfire.
Are there special construction requirements for Bal 19?
(FLAMEZONE) Enclosu SUBFLOOR SUPPORTS No special construction requirements As for BAL–19 Enclosure by external wall or by steel, bronze or aluminum mesh. Non-combustible or naturally fire resistant timber supports re byexternal wall or steel, bronze or aluminum mesh.
Is there a BAL LOW Bal in Amdt 2?
Revised for: New 2018 edition Including Amdt 2 BAL–LOW BAL–12.5 BAL–19 BAL–29 BAL–40 BAL–FZ (FLAMEZONE) Enclosu SUBFLOOR SUPPORTS No special construction requirements As for BAL–19 Enclosure by external wall or by steel, bronze or aluminum mesh.
What is the purpose of Bal number 19?
BAL—19 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 19 kW/m2.
What kind of glass is on Bal 19?
4mm Grade A Safety Glassor glass blocks within 400 mmof ground, deck etc with Openable portion metal screened with frame of metalormetal reinforced PVC-Uor bushfire resisting timber As for BAL–19 except that door framing can be natu rally fi e esistant( hig ensity)timber weather As for BAL–19 (including roof to be fully sarked)