Importance of BAL Rating For Calculated Risk in Bushfire Prone Zone

Building or renovating a new home in a bushfire prone can be a nightmare, especially when choosing the building products and materials. In these areas it become essential to keep in mind that not only the construction of windows, roofing, guttering, doors as well as cladding should meet your family requirements, but, at the same time must meet the standard of construction requirement for the bushfire prone areas. Hence, in order to choose the building products, it becomes essential that the products must comply with the BAL ratings.

The levels of bushfire attack are given to the properties that are basically located in the bushfire risk areas. Hence, higher the number, higher the bushfire risk. BAL 40 means high risk area, BAL 12.5 means lower end of bushfire risk, BAL FZ means total flame zone area and are at the extreme risk of bushfire attack.

In order to assess the areas’ BAL rating, following points need to be confirmed:

Type of fire hazard

Distance of site from the fire hazard

Site’s Fire damage Index

Slope type and gradient from the fire hazard

Moreover, in the bushfire prone areas, all the building materials will comprise of product specification document that must state that what BAL rating Perth level, the products are able to withstand.

Thus, the BAL rating Perth relate to the predictable bushfire tech level for a particular site. The prime aim of the residential building standard for the bushfire protection is to enhance the ability of a building to withstand the bushfire attack. This will however offer extensive protection for the residents who are sheltering inside while the fire front passes. Thus, the BAL takes into consideration several factors including the slope of land, Fire Danger Index, proximity to building and types of surrounding vegetation.

However, the assessment of the report is mainly guided by the requisite standards adhered to particular structure categories such as attached dwellings, detached residences, non-habitable buildings etc. These factors are successfully required to determine the bushfire attack level.

Thus, this report is mandatory to be submitted for building application in bushfire prone zones. It contains the degree of threat and possible hazards along with the protective action against the danger.


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