One man is dead and two others have been injured after a tub of concrete fell from a crane at a work site in Melbourne's east.

The crane, on a construction site at the corner of Whitehorse Road and Watts Street in Box Hill, was lifting the concrete when its 1.5-tonne load dropped into a pit where the three men were working about 12.20pm on Thursday.

The crane dropped its load of concrete into a pit where three men were working. Credit:Channel 7

The construction workers union says the company which operated the crane was the same one involved in an incident in Richmond in July where a crane bent backwards in strong winds, forcing the evacuation of hundreds of residents.