Orangeburg County, SC Noise Ordinances: Construction Hours (2026)
Construction hours in Orangeburg County, SC, sometimes called construction noise rules or contractor work-hour ordinances, set when contractors can run power tools, hammers, and heavy equipment.
Key Facts
- Exempt window
- 7:00 a.m. to 9:00 p.m.
- Outside that window
- Full night-time noise/vibration limits apply
- Covers
- Construction noise and vibration alike
- Applies to
- Manufacturing-use performance standards, Section 3.2
- No separate rule
- No countywide construction-hours ordinance found
Summary
Within Orangeburg County's manufacturing performance standards, construction-related noise and vibration are exempt from the Zoning Ordinance's strict decibel and vibration limits only between 7:00 a.m. and 9:00 p.m. Construction activity outside that window must meet the same tight nighttime sound-pressure and vibration ceilings that apply to an operating facility.
Vibration emanating from construction activities between 7:00 a.m. and 9:00 p.m. shall be exempt from these regulations. ... Noises emanating from construction activities between 7:00 a.m. and 9:00 p.m. shall be exempt from these requirements.
Full Breakdown
2 of the Zoning Ordinance carries two matching exemption clauses for construction activity tied to a manufacturing use. 10 inches per second at a nonresidential property line. shall be exempt from these requirements,' referring back to the octave-band sound-pressure-level table in the same section. must comply with the night-time schedule in that table, which is markedly stricter than the day-time schedule, down to as low as 35 decibels at a residential lot line and 20 decibels at a nonresidential lot line in the highest frequency bands. There is no separate countywide construction-hours ordinance outside this manufacturing-use performance standard.
Violations & Fines
Running noisy or vibration-producing construction equipment on a manufacturing site between 9:00 p.m. and 7:00 a.m. without meeting the night-time sound-pressure and particle-velocity limits in Section 3.2 breaches the performance-standard agreement filed with the permit application, and any breach 'shall constitute a violation of this Ordinance.' The Zoning Administrator handles enforcement on complaint.
Frequently Asked Questions
Can construction equipment run at night on a manufacturing site in Orangeburg County?
Is there a general construction-hours ordinance for all of Orangeburg County?
What vibration limit applies to construction outside the exempt hours?
Sources & Official References
Other rules in Orangeburg County
How Orangeburg County compares: Cities with the Strictest Construction Hours·Compare Orangeburg County to another location·View the South Carolina noise ordinances overview
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