This revision incorporates all the significant advances that have occurred in the past decade; including advances in facilities planning, material handling, and computing technologies, as well as engineering and management philosophies. It focuses on the determination of the requirements for people, equipment, space, and material in the facility. It presents concepts and techniques to facilitate the generation of alternative facilities plans and continues to focus on generating alternative facilities plans. It also presents a variety of quantitative approaches that can be used to model specific aspects of facilities planning problems and discusses the treatment of facilities planning.