"Safety is always an issue," Brainard said.
In the meantime, the crane continues to be used for construction purposes.
"It will be up for at least a couple more weeks to bring more materials in," said Richard J. Lee, a worker at the construction site.
The Widener Stacks Renovation Project, which will cost upwards of $50 million, is on schedule and should be completed in another year, Cushman said.