Pre-engineered buildings are buildings being pre-fabricated in a factory in accordance with the design specifications and they are shipped & erected at site, joined together using bolts. PEB (Pre-engineered Building) has made revolution in the construction market using built up sections in place of conventional hot rolled sections. A large column free area is the utmost requirement for any type of industry which is provided by PEB. The prefabricated structural members are usually “I” sections. The foundations of these buildings are the conventional concrete foundations to support the lighter super structure and to carry heavy loads. The floor of such buildings is also built of conventional concrete in certain cases. PEB concept involves the steel building systems which are pre designed and prefabricated. As the name itself indicates, there is involvement of pre engineering of structural elements.