Construction of new 6-story elevator addition with machine room. Project involved a complex foundation system due to challenging subgrade conditions. Coordination with the existing tenants and operations were carefully considered during construction scheduling. New masonry was constructed with heavy reinforcement and to compensate for the existing building being out of plumb condition. New timber roof systems were constructed at the top of the elevator penthouse and machine room to complete the weather-tight shell. Cyr also coordinated electrical, HVAC, and elevator installation work as the General Contractor.