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Information sheets

HIA information sheets cover a wide range of industry topics. Prepared by HIA information specialists, they are designed to help HIA members answer questions about a variety of complex areas. You can search by category. Members can also talk to HIA for additional help and support.

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  • ABCB Sanitary Facilities Calculator – Now Live

    A common question HIA receives in the design & use of Class 2-9 buildings is - how many toilets, hand basins, accessible facilities, etc. do I need to provide for X number of people? To assist you to better understand and apply the sanitary and other facilities provisions, the ABCB have developed a "Sanitary Facilities Calculator" which helps to calculate this for you.

  • AS 3959 – 2018 Construction of Buildings in bushfire prone areas (237KB)

    This information sheet provides an overview of the changes to the 2018 version of AS3959, which is to be used to comply with the 2019 National Construction Code. An overview of the changes is provided, with a summary of the implications for each BAL rating included.

  • AS/NZS 3000: 2018 – Changes to Wiring Rules Standard (634KB)

    This information sheet provides an overview of the changes to the new version of the Wiring Rules Standard.

  • BASIX DIY Method “Fine-Tuning” - NSW (257KB)

    Intro text – A brief description of the content – this text will be displayed in search results (20-25 words) This Information Sheet has been made to give an overview of what has changed within the DIY part of the BASIX tool.

  • BASIX Target Changes July 1 2017 (265KB)

    BASIX energy targets are increasing from July 1 2017. This information sheet is to provide details of the changes and how it will affect your projects.

  • BASIX – what is it and what has changed (334KB) This item/page is locked

    This information sheet provides an overview of BASIX and details the changes to BASIX and how it will affect your projects.

  • BCA Energy efficiency compliance options (284KB) This item/page is locked

    This information sheet provides an overview of the different BCA compliance pathways for meeting the energy efficiency requirements.

  • BCA Gutter Overflow provisions (322KB) This item/page is locked

    This information sheet provides an overview of the BCA gutter overflow requirements that were introduced in 2016.

  • BCA Transition Periods - WA (215KB) This item/page is locked

    This information sheet provides an overview of the transitional provisions provided for the applicable building standards in Western Australia.

  • Building Permit Amendments and the Planning Permit - Vic

    HIA often receives calls from members raising concern where a minor amendment occurs to the building of a home. The main issue is the inconsistency in the way relevant building surveyors approach dealing with a minor variation. The Victorian Building Authority (VBA) have two documents on their website that provide advice on planning and building consistency.