The Ministry of Construction and Transportation has estimated the reconsideration of economy in construction and the dullness of LCC forecast method which supports decision-marking in safety and maintenance of buildings. So, they have introduced LCC analysis method in steps of a feasibility study and design. Because of the introduction of LCC analysis process and method, it would be possible to make a logical decision from management, maintenance, estimation, user point of view, In this study, it would bepossible to show a plan and alternative of design factors and structure in one building by using LCC analysis method and to compare and analyze the reduction of life cycle cost by the elapsed time