Workers at 99th Street and Broadway were stuck on a scaffolding roughly 15 stories up at around 10:30 a.m.
Cleaning the streets turned hazardous for a sanitation crew in lower Manhattan Monday morning.
Investigators are looking into the collapse of a World Trade Center scaffold that left two window washers dangling 68 stories above the street.
Footage from the scene showed the scaffolding dangling along the side of the residential building.
Two maintenance workers were stuck in wind gusts outside the 45th floor of the 600-foot-tall Hearst building when the scaffold they were working on collapsed at about 2:40 p.m.
A car spun out of control and took down a light pole before becoming buried under a falling sidewalk scaffold in Bay Ridge, Brooklyn, Monday afternoon.