Ensuring the feasibility of a $31 million OR expansion project: Capacity planning, system design, and patient flow Presenter: Todd Roberts, Memorial Health System The second workshop in our series will look at a recent project at Memorial Health System (MHS) in Illinois. Todd Roberts, System Director of Operations Improvement at MHS will discuss and demonstrate the use of discrete simulation modeling to analyze floor design and throughput for a new Rapid Clinical Examination provider model for a 70,000 annual visit, Level I trauma center emergency department at a 507 bed, tertiary, urban, academic medical center and flow for all aspects of architectural design proposal for $31 million dollar operating room expansion project, including pre-op admission, transport to OR, OR time, and post-anesthesia care units (PACU) for admitted and outpatient surgery. Through the use of discrete simulation modeling, Memorial has reduced length to stay for non-admitted patients in the emergency department by 27%, reduced percentage of patients leaving by without treatment by 50%, and released admit hold time by 37% while improving patient satisfaction from the 57th to 99th percentile (Press Ganey). In addition, Memorial has used simulation to determine the appropriate facilities layout for its new OR expansion project, determining that optimizing the flow of traffic will lead to a reduction of 30 minutes per case in wasted movement and waiting.