Currently Safety accidents have been raised & more concerned despite that Government has emphasized on preventing accidents in construction area of Korea. An accident is due to several causes of it, thus this the study, as the above, will specify the methodology to establish more effective safety prevention plan, itself, compared to most studies being based on a case, pecially for the projects under Far-East District, Corps of Engineers, USA. Additionally, this study will be limitted for performance method and the projects will not be classified with the same sorts as domestic ones are.