(1) This regulation applies if a certifier has reasonable grounds for believing that, by doing work of the kind mentioned in regulation 19 (Inspection of work etc), non-potable liquids, solids or gases may get into the potable water supply of the Territory.
(2) A certifier must not, without reasonable excuse, approve a plan for the work unless—
(a) the plan includes the installation of an appropriate backflow prevention device for protecting the potable water supply from non-potable liquids, solids or gases; or
(b) the certifier has certified on the plan that, in the certifier's opinion, the installation is not required.
Maximum penalty: 5 penalty units.
(3) A person to whom plan approval is given who is required to install an appropriate backflow prevention device must not, without reasonable excuse—
(a) fail to install the device; or
(b) install the device otherwise than in accordance with the plan.
Maximum penalty: 10 penalty units.
(4) A person must not install a backflow prevention device except in accordance with Australian Standard 3500.
Maximum penalty: 10 penalty units.
(5) A person who installs a testable backflow prevention device must—
(a) tell the chief executive that the device has been installed; and
(b) ensure that the device is tested by a suitably qualified person in accordance with Australian Standard 2845.3 as in effect on 1 March 1999, as soon as practicable after installation; and
(c) within 7 days after the device is tested, give the chief executive a test report prepared by the person who did the test.
Maximum penalty: 10 penalty units.
(6) The owner of a parcel of land on which a testable backflow prevention device is installed must—
(a) cause the device to be tested by a suitably qualified person in accordance with Australian Standard 2845.3 as in effect on 1 March 1999; and
(b) within 7 days after the device is tested, give the chief executive a test report prepared by the person who did the test.
Maximum penalty: 10 penalty units.
(7) For subregulation (6)—
(a) if maintenance or repair work has been done on a testable backflow prevention device—it must be tested within 7 days after the work was done; or
(b) in any other case—it must be tested within 12 months after the last test was done on the device under this regulation.
(8) In this regulation:
"appropriate backflow prevention device" means a backflow prevention device selected in accordance with Australian Standard 3500.
"suitably qualified person" means a person who—
(a) is a licensed plumber; and
(b) has successfully completed the course entitled ‘Backflow Prevention' offered by the Canberra Institute of Technology or an accredited or equivalent course on backflow prevention.