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State Environmental Planning Policy (Exempt and Complying Development Codes) 2008
Current version for 25 October 2019 to date (accessed 10 December 2019 at 11:19)
Water storage tanks
The development standards applying to the installation of a new water storage tank, or an extension to an existing water storage tank for the purposes of the installation or extension of a fire sprinkler system or an alteration to a hydraulic fire safety system, are that—the tank, or the extended existing tank, must have a capacity of no more than 100,000 litres, andif the tank is to be located within a building—the tank must not increase the floor area of any room, andif the tank is to be located outside a building—the tank must—be located behind the building line of the primary public road frontage (the front of the building), unless the tank is to be located below ground level, andbe located at least 3m from any other public road frontage, andhave a diameter or width of not more than 6m, andhave a height of not more than 5m above ground level (existing), andfor any tank up to 3m in height—have a setback of at least 900mm from any side or rear boundary, andfor any tank 3m in height or greater—have a setback of at least 3m from any side or rear boundary, andif the tank is to be located on the roof of a building—a tank on a flat roof must be no more than 3m above the roof level and be located at least 3.5m from the parapet edge of the building, ora tank on a pitched roof must be no more than 1m above the ridge level of the roof of the building, andthe tank must not be located over a registered easement.