Lethbridge By-law 5270, s. 9 — Noise Bylaw

9. Notwithstanding any other provision of this Bylaw, where an open area is provided for parking in connection with a retail store, office, or medical and health facility, the owner or Person in charge of the parking area, after having obtained written permission from the City Manager and making no more noise than is reasonably necessary in connection therewith may use a machine for clearing snow or debris from that open area during such hours as is necessary or expedient to keep that area clear of snow and debris.