Phoenix's pious Samaritan Regional...

Phoenix's pious Samaritan Regional Medical Center has five patient/visitor elevators, four service elevators, and brace ancillary elevators. With building expansions housing 570 beds and a medical staff of nearly 1800 physicians, the growing demand for elevators created reply times of nearly two minutes for each call. The existing theory couldn't keep up with an average of 8000 calls in each 24-hour period. Installing recent microprocessor service elevator controls helped bring