HCAA Guidance Notes 

The below Guidance Notes were created in February 2022 and are revised versions. We welcome your comments and feedback to enquiries@hcaa.org.au.


Advisory Note for Clearouts, Inspection Openings and Access Panels 

Advisory Note on Mechanical Split System Condensate 

Advisory Note on Certification of Siphonic Drainage Systems 

Advisory Note on Untrapped Waterwaste Systems 

Advisory Note on Sewer Ejector Wells in Basements and The Use of Reflux Valves 


Please be advised, these notes are the formal position of the HCAA regarding each given matter. These statements are provided in the public interest, and the HCAA may not have any specific jurisdiction on the related matter.

A responsible person or authority is expected to take relevant advice into consideration as appropriate to their given circumstance.