Civil Engineering is one of the oldest engineering disciplines because it deals with constructed environment including planning, designing & overseeing construction and maintenance of building structures & facilities such as roads, railroads, airports, bridges, harbors, channels, dams, irrigation projects, pipelines, power plants, water sewage systems & water treatment facilities. Subsequently, the course also involves protecting the public and environmental health as well as improving existing infrastructure. Civil engineers find jobs in various government, public and private sectors.