Single lift placement of concrete and the elimination of construction joints are among the noteworthy features of the massive concrete piers of the International bridge in New York. Although the pier forms support single lifts of concrete as high as 41 feet, heavy structural members resist the extreme pressures exerted by the concrete without the aid of tie rods. Despite the massiveness of the forms, stripping and repositioning of the 20 ton units for subsequent pours was accomplished in only 8 hours. Other highlights include a 9 ton reduction in the dead load of a tilt-up panel. This was accomplished by substituting an expanded shale aggregate for conventional heavy weight aggregate.