Maybrook Fire Department president Eric Scholz says the workers were pouring concrete into wooden forms as part of a New York City water supply project in the village when one of the structures gave way and toppled onto them at about 12:30 p.m. Monday.
He says two of the workers were freed within minutes, but it took several hours to get the body of the other out from under the wood and fresh concrete. The two survivors were taken to a hospital by helicopter. Scholz says he doesn't have the names of the victims. Eyewitness News has learned they are critically injured.
Maybrook is in Orange County, 58 miles north of New York City.