Sonora's construction equipment hours ordinance applies to generators used on construction sites (7 AM to 7 PM weekdays, 8 AM to 5 PM Saturdays, 10 AM to 3 PM Sundays). Standby generators for residential use are not specifically regulated beyond nuisance provisions.
Generators used on construction sites fall under the city's construction equipment hours ordinance. Portable generators must operate within the designated hours: 7 AM to 7 PM Monday through Friday, 8 AM to 5 PM on Saturdays, and 10 AM to 3 PM on Sundays and federal holidays. Standby generators for residential backup power are not specifically time-restricted but must not create a nuisance under Title 8. Extended generator use during power shutoffs (PSPS events, common in fire-prone Tuolumne County) may receive more lenient treatment. Generator installations may require electrical permits under Title 15.10.
Construction generators operating outside designated hours are subject to citation. Residential generators creating a nuisance may be addressed under Title 8.
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