4A.5   Development standards—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 are that:

(a)  the tank, or the extended existing tank, is to have a capacity of no more than 100,000 litres, and

(b)  if the tank is to be located within a building, the tank must not increase floor area of a room, and

(c)  if the tank is to be located outside a building, it must:

(i)  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, and

(ii)  be located at least 3 metres from any other public road frontage, and

(iii)  have a diameter or width of not more than 6 metres, and

(iv)  have a height of not more than 5 metres above ground level (existing), and

(v)  for any tank up to 3 metres in height, have a setback of at least 900 millimetres from any side or rear boundary, and

(vi)  for any tank 3 metres in height or greater, have a setback of at least 3 metres from any side or rear boundary, and

(d)  if the tank is to be located on the roof of a building, it must:

(i)  on a flat roof, be not more than 3 metres above the roof level and be located at least 3.5 metres from the parapet edge of the building, or

(ii)  on a pitched roof, be not more than 1 metre above the ridge level of the roof of the building.