3. For the purposes of the definition of “excessive noise” in subsection 5 (1) of the Ordinance, the following noise levels are prescribed in respect of premises generally in respect of the following times of day—
(a) between the hours of 7 a.m. and 10 p.m. on a day—the level that is 5dB (A) above the background noise; and
(b) between the hours of 10 p.m. on a day and 7 a.m. on the following day—the level equal to the level of the background noise.