(1) The construction or installation of a roof mounted evaporative cooling unit on land in Climate Zone 4 is development specified for this code if it is not carried out on or in a heritage item or a draft heritage item.
(2) For the purposes of this clause, land is in Climate Zone 4 if it is within an area identified as Zone 4 of the Climate Zones for Thermal Design in the Building Code of Australia .
Note : For air-conditioning units see clause 2.5.