FMV(felelős műszaki vezető in Hungarian) is ‘field supervisor’ in Korean construction system, we say, behalf of general contractors. In other words, it is a mandatory manpower that a contractor must keep for construction activities, and hiring FMV is carried out through the service contract with a company which has qualified FMV personnel Technical Supervisors and FMV is not able to hold each position concurrently because of the different characteristics of owned qualifications, Also FMV does not have to be resident on site, but FMV will be liable for the quality of construction.