Construction of a second exit / entrance and new concourse structure at the College subway station. The scope of the project also provides easier access to the station with the construction of two (2) elevator shafts and the installation of the elevators and associated equipment, signage, mechanical and electrical work. One elevator will service the eastbound platform and the other elevator will service the westbound platform. Both elevators will service the street level, concourse level and platform level. The scope of the project also includes significant civil work. The station will remain open to the public during construction.