In an era where time is money, and in an infrastructure industry, prefabricated buildings plays a vital role to save time. As we all know that every construction site will generally require office facility to accommodate site engineers, managers, provide space for meetings, storage facility for site documentation which commonly named as prefab site office, prefabricated marketing office, construction site office, project office, prefabricated office, and modular site office. These Prefabricated site offices are structural based building supported by MS columns, Rafters, Purlins, Runners and enveloped in Insulated sandwich panels