Civil engineering covering a great variety of branches serves in the field of infrastructure as well
as in that of superstructure. Lifelines, a part of infrastructural side of civil engineering, play a vital
role in a country’s social life and economy. They are transporting various vital resources, such as
water, natural gas, crude oil, etc., deserving the term “lifelines”. American Society of Civil
Engineers (ASCE) (1984) stated that “The designation of oil and gas pipeline systems as
"lifelines" signifies that their operation is essential to maintain the public safety and well-being.”