Commercial Structure Fire Alarm at 3140 Marginal Road, Charleston, SC

Summary: Fire units, including Ladder 301, Engine 302/304, and Battalion Chief 104, responded to a reported fire alarm at a commercial structure located at 3140 Marginal Road, near Ponderosa Drive and Savannah Highway in Charleston, South Carolina. Upon arrival, crews found no visible fire but detected the smell of smoke inside the building. Additional units were requested, and the building was ventilated. Investigation revealed the odor was coming from an HVAC unit (RTU2) with a tripped breaker. The fire marshal was called to the scene for further assessment. No active fire was found, and the situation was brought under control.