Overview

About the Calculator

Calculate Bushfire Attack Level (BAL) using either the simplified method outlined in AS 3959:2018, Cl 2, or the detailed method outlined in AS 3959:2018, Appendix B

Bushfire attack level (BAL) rating calculator to Australian standards AS 3959:2018

Calculate Bushfire Attack Level (BAL) using either the simplified method outlined in AS 3959:2018, Cl 2, or the detailed method outlined in AS 3959:2018, Appendix B

Easy to use with simple inputs

Quickly find the BAL for any site in Australia with just five simple inputs such as Fire Danger Index (FDI), BAL-LOW Threat Exclusion, Vegetation Classification, and Slope types to get instant results for BAL ratings in NSW, VIC, and all other Australian States.

Quick formula and standards reference for every BAL calculation

Easily find the appropriate standards reference, clause, and formula that was used for your BAL rating calculation if you are unsure or want more information.

Why ClearCalcs?

Frustration to Flow

See how ClearCalcs transforms structural calculations from a tedious, error-prone chore into an efficient, stress-free process.

With spreadsheets and clunky software

Frustration, fuss, and fragile formulas—the old way of engineering calculations that holds you back

Struggle with endless spreadsheets and custom formulas.

Building codes change, but outdated software and spreadsheets don’t.

Triple-check and verify manual input at every turn.

Old software feels like a maze, with unclear settings, limited templates, and rigid interfaces.

With ClearCalcs

Effortless, efficient engineering calculations at your fingertips.

100+ pre-built calculators for different materials.

Every calculation comply with the latest codes and standards.

Forget the worry of “black box” calculations; verify calculators with inline formulas, codes, and checks.

Intuitive tools built to your workflow, plus unmatched customer support.

How It Works

Your code-compliant calculator

Tired of complex calculations? ClearCalcs Calculator Library keeps it simple, secure and code-compliant – so you can calculate with confidence.

Save time with ready-to-use templates for wood, steel, and concrete

ClearCalcs offers an extensive library of easy-to-use calculators for beams, columns, and footings, designed to make structural calculations simpler and faster.

Choose from a wide range of pre-configured beam and column options, complete with automatic member sizing, so you can quickly reach reliable designs and reduce rework.

Beams

Columns

Foundations

Walls

Loads

Dynamically track your load paths from roof to foundation

No need to copy and paste reactions between calculations! If the top calculator's reactions change, the loads being inherited onto the lower calculator will update automatically. This includes all loads such as dead, live, snow, seismic, and wind.

Submit professional reports for permit review

ClearCalcs is not only easy to use, but also easy to check! All calculations follow an easy to understand traffic light check system, with multiple levels of detail available giving you the choice of printing every step of the calculation and all code and standard references, or simply a compact, one-page print out.

Report heading includes your project name and address

Easily upload your organization logo for a professional report

Use custom PDF upload to merge additional documents to your structural calculations

Download a sample report

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Bushfire Attack Level Calculator to AS 3959:201