Civil engineering is a people-serving profession, concerned with the planning, design, construction and operation of large, complex systems such as buildings and bridges, water purification and distribution systems, highways, rapid transit and rail systems, ports and harbors, airports, tunnels and underground construction, dams, power generating systems and structural components of aircraft and ships. Civil engineering also includes urban and city planning, water and land pollution and treatment problems, and disposal of hazardous wastes and chemicals. The design and construction of these systems are only part of the many challenges and opportunities faced by civil engineers. The recent revolution in computers, communications and data management has provided new resources that are widely used by the professional civil engineer in providing safe, economical and functional facilities to serve our society.