A. It is unlawful for any person to operate any machinery, equipment, compressor, pump, generator, fan, air conditioning apparatus, or similar mechanical device, or provide boarding or daycare to animals in an enclosed building (kennel) in any manner so as to create any noise which would cause the noise level at the property line of any property to exceed the ambient noise level by more than five decibels. For the purposes of this section, "noise level" means measured sound level with the following values added as corrections for time duration and character of the noise:
1. Add one and only one of the following corrections for time duration:
a. Noise persists for more than five minutes out of any one hour 0
b. Noise persists for more than one minute but not more than five minutes out of any one hour -5
c. Noise persists for one minute or less out of any one hour -10
2. Add one and only one of the following corrections for unusual character:
a. Noise has no unusual character 0
b. Noise contains a piercing pure tone +5
c. Noise is impulsive or rattling in nature +5
d. Noise carries speech, music, or other information content +5
B. This section shall not prevent the normal operation, repair, or maintenance of household gardening equipment and hobby shop equipment or the servicing, redrilling and reworking of oil wells.
(Ord. 93-04-1153 §§ 2, 3; Ord. 81-8-878 § 6 (part); Ord. 2012-02-1444 § 2)