One of the concerns of employers for large projects is the high cost of workers ‘services, as well as the reduction in workers’ productivity during the project due to the fatigue caused by commuting. Prefabricated buildings with full amenities are usually used to solve the problem of workers’ housing. Depending on the number of people and their options, labor camps are produced in different sizes and designs and are installed and assembled at the project site. The life of these camps is long and can be used several times. The main structure of these camps is high quality sandwich panels (Karen Panel).