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We carried out this research in order to examine life-time cost of the building after its completion, its acoustical performance, and the time required for evacuation in the event of a fire. Our research was based on the data obtained from buildings for teenagers. We obtained the following results. First, the analysis of the total cost estimates showed that the most economical case was the case when we used a hot and chilly water generator. Second, the simulation results from an auditorium experiment indicated that the reverberation time at 500 Hz was 1.34 seconds when all seats were not occupied whereas it reached 1.1 seconds when all seats were occupied. The differences between the calculated RTs and target RTs were respectively 0.04 and 0.02 seconds. Third, we found that the sound pressure level was relatively uniform because it was located within 4 dB. Fourth, simulation results showed that the ZONE 3 turned out to be most effective because its occupants were able to go through each emergency exit within regulated time.