Apogee performed site visits to evaluate existing equipment including machine drives, elevator cars, counterweight guide rails, guide rail fixing brackets, car guide rails, counterweight frames, counterweight buffers, car buffers, tension pulleys, landing doors, aprons, control cabinets, overspeed governors, and other various components that support the mechanical and electrical system of these elevators.
Apogee also provided the cost and benefits associated with direct current (DC) versus alternate current (AC) electrical control systems.