One57, formerly known as Carnegie 57 and nicknamed "The Billionaire Building," is a 75-story supertall skyscraper. The $1.3 billion condominium and hotel structure is located across from Carnegie Hall, mid-block West 57th Street to 58th Street, between Sixth and Seventh avenues. Five Star Electric’s scope included all of the electrical infrastructure, power, fire alarm, lighting, security, and telecommunications.