Abstract
The purpose of this study, from the view point of practical value, is to give fundamental information about electric system that contributes to rationalization of the maintenance plan. In this study, 6 hospitals were researched and the total 50,092 pieces of information were collected. In this data, the failures and troubles about electric system have 7,344 pieces. There are much them next to sanitation, an air conditioner. The mean time to repair is approximately two hours at the hospital of the large scale, and it was around 60 minutes at other hospitals. The mean time to repair of electric system is longer than other facilities.
In addition, they are classified based on the building maintenance duties common specifications. That gives I suggest importance of the inspection in each inspection item or the need of the design improvement from this.