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Expert Judgement and Access ‘Alternative Solutions’

The Access Code within the Premises Standards and the access provisions of the Building Code of Australia are generally consistent and both include Performance Requirements and Deemed-to-Satisfy Provisions. However, there are some inconsistencies between the two, and where there is an inconsistency, one should adopt the more onerous requirements to ensure compliance.

One such inconsistency between the Premises Standards and the Building Code of Australia is that the Premises Standards does not outline the ‘Assessment Methodology’ required when developing an ‘Alternative Solution’.

Subsection 3.2(3) of the Premises Standards states that when using an ‘Alternative Solution’ approach to achieve compliance with the Performance Requirements of the Access Code:

“without limiting the alternative approach referred to in 3.2(2) a building complies with the Access Code if the building as a whole provides a level of access that is not less than the level that the building would have provided if it had complied with the Deemed-to-Satisfy Provisions of the Access Code.”

In other words, the use of ‘Expert Judgement’ alone to verify that the ‘Alternative Solution’ complies with the relevant Performance Requirement of the Premises Standards is not sufficient, and the solution may be non-compliant, unless an alternate assessment method has been used to confirm compliance (i.e. using the methodology outlined in BCA Volume 1 A09(a) or A09(c)).

Furthermore, the Premises Standards does not state that ‘Expert Judgement’ is a suitable assessment method. Contrary, it actually states that to achieve compliance with the relevant Performance Requirements the ‘Alternative Solution’ must be ‘comparable‘ to the ‘Deemed-to-Satisfy’ provisions.

For these reasons, any report prepared using the assessment method A09(d), Expert Judgement alone, should be scrutinised by the Relevant Building Surveyor / Certifier. If they choose to accept the report they need to be confident that the assessment and ‘Alternative Solution’ can hold up to further investigation, scrutiny and complaint resolution via the Australian Human Rights Commission or State Commission.

My personal approach is to develop any ‘Alternative Solution’ using a combined methodology, principally assessed against the ‘Performance Requirements’ using assessment method A09(a), with possibly a comparative analysis against the ‘Deemed-to-Satisfy’ provisions using A09(c). However, when doing the assessment there must be an element of inherent expertise used (i.e. comparable to expert judgement under A09(d)) when verifying that the ‘Performance Requirements’ are met.

For these reasons any Building Surveyor / Certifier should carefully think about the assessment method to be used in an Alternative Solution. I would caution them not to accept an ‘Alternative Solution’ for a variation to the ‘Deemed-to-Satisfy’ access provisions that doesn’t include a performance assessment using the methodology outlined in Part A0 of the Building Code of Australia.

By Lee Wilson, Disability Access Consultant / DDA Consultant, Melbourne, Victoria. Lee is an Accredited Member of the Association of Consultants in Access, Australia Inc.

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Display Due Diligence, consider a Disability Access Peer Review by an Accredited Access Consultant during the Building Certification process

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