Environmental Sustainable Design (ESD) Principles
There are two levels of compliance when it comes to ESD principles – mandatory and best practice.
Mandatory Requirements
To meet Victoria’s 6-Star building standard, new developments may be required to install a rainwater tank. For a single dwelling, a rainwater tank must:
• have a storage capacity of at least 2,000 litres
• drain a roof area of at least 50 square meters
• be connected to all internal toilet