The following PDF file contains valuable information on blocked drains in Melbourne. Please note that this is a general guide and should not be considered as professional advice.
For more information, visit the official Google Drive website at https://drive.google.com/file/d/198DH2Um8MMhd2Tqfjbom80I-TAz25IEa/view?usp=drive_link
https://drive.google.com/file/d/198DH2Um8MMhd2Tqfjbom80I-TAz25IEa/view?usp=drive_link