Regulations 16 to 23 (inclusive) of the Principal Regulations are repealed and the following regulations substituted:
“16. Connection with the sewerage system
A person who connects with or disconnects from the sewerage system a sanitary plumbing system, a sanitary drainage system or sewer shall ensure that all work is carried out in accordance with these Regulations, Australian Standard 3500 and, except in the case of a single residential building, with the approved plan.
“17. Notice to be given
“(1) A person who carries out plumbing or drainage work shall—
(a) give not less than 2 business days' notice, in writing, to the Chief Executive before commencing the work; and
(b) report to the Chief Executive when the work is ready for inspection.
Penalty: 10 penalty units.
“(2) All work shall be left uncovered and convenient for examination—
(a) until inspected and approved by the Inspector; or
(b) until the Inspector has advised the person that an inspection will not take place.
“(3) The person who carries out the work shall keep on the premises, while the work is being carried out—
(a) a copy of the plan approval showing—
(i) any minor variations to the approved plan; and
(ii) the parts of the work for which a notice was given under subregulation (1); and
(b) a record of the date of each notice given under subregulation (1).”.