抄録
Japan Building Maintenance Association has recommended use of the questionnaire sheet for evaluation of cleanness. However, about half of building maintenance companies use self-developed questionnaire sheets. Therefore, a better inspection system is expected for quality control of janitor service as a whole. In the present study, qualified inspectors and monitors participated the field survey to evaluate cleanness of the buildings using three questionnaire sheets. The important items for each location such as an entrance and a restroom were then chosen among many items and a close relation of total scores of cleanness to number of years since construction was found.
