Civil engineering is an engineering discipline that deals with planning, design, construction, and operation of various physical and naturally built environments or infrastructures that are essential to our modern life. Examples of civil engineering projects include offshore drilling platforms, bridges, highways, buildings, transportation systems, dams, irrigation systems, water supply and treatment systems, flood control facilities, solid and hazardous waste management, and environmental restoration. Historically, civil engineering is the oldest engineering profession established around late 18th century to distinguish it from military engineering. As science and technological revolution expands, several sub-disciplines in civil engineering are defined. This includes constructing engineering and management, environmental engineering, geotechnical engineering, structural engineering, transportation engineering.