What are the requirements for Bal-19?
BAL-LOW Low risk of bushfire attack does not warrant specific construction requirements. BAL-12.5 Possibility of ember attack. 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.
How much does Bal cost?
The fee for a BAL certificate is $400.
Is colorbond Bal rated?
Roofing, walling, gutters and downpipes made from COLORBOND® steel may be used as part of a compliant system in bushfire prone areas, including in the most extreme, BAL-FZ (Bushfire Attack Level – Flame Zone) as defined in AS 3959:2018.
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.
How much does Bal 19 cost?
Additional costs associated with BAL ratings Below is an approximate breakdown of additional costs based on each BAL rating: BAL 12.5 – $2,000. BAL 19 – $3,500. BAL 29 – $8,000.
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.
What is a BAL rating of 40?
The 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.
What are the construction requirements for a Bal 19 wall?
No special construction requirements. 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.
What is Bal – 19?
This document has been prepared to assist in the preparation of construction certificate plans and specifications in respect to BAL – 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 is the best way to enclose a 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.
What supports can be used in a BAL-19?
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. Non- combu stibleornatu rally fi e esi tant timber supports where the subfloor is unenclosed If enclosured by external wall refer below