Additionally, each crane can take five or six days each to dismantle, and local news outlets say there are twenty to twenty-five construction cranes now erected in the downtown Miami area.
The crane's arm is now dangling over a high-rise under construction in downtown Miami.
The storm slammed into Cudjoe Key at about 9 a.m. with maximum sustained winds of 130 miles per hour, according to the National Hurricane Center.
City of Miami fire officials said crews couldn't mobilize to address the cranes until the winds calmed down. It's located across from the Federal Prison.
"If we get a direct hit, the widespread damage is not going to be done by a crane failure", Whiteman said.
Many are questioning why the cranes can't be moved, Miami officials said Tuesday in a tweet.
Irma was still projected to make landfall in South Florida, near Miami, Sunday morning as a Category 4 storm.
According to the resident, the crane is on top of the PMG building that is now under construction.
City officials said they were using geo-fencing, a 911 communication system, as well as social media, to contact residents in the area.
Dan Whiteman, vice chairman Coastal Construction, said he has 12 cranes in the Miami area.
A tornado could have ripped the crane loose, Whiteman said.
Almost 75 percent of Miami-Dade County's 1.1 million electricity customers were without power as of 1 p.m. ET. The Miami housing market has cooled in recent years, but new luxury condo towers are still under construction as the downtown and Brickell neighborhoods have emerged as hot spots, particularly for younger people who have never dealt with a major hurricane. "Storm surge is intense".