Abstract
Planning to public utilities, introduction of public participation and consensus building process are required. Design of consensus building process is needed for practice of public participation. This paper aimed to analyze the consensus building process of planning the waste treatment plant for Chushin region in Nagano Prefecture. Through this case study, the following things were clarified. This process was preceded according to the model in macro level, slowly by repeating back and forth in micro level. Back and forth process increases in a plan with much decision matters, Back and forth process between solution seeking and consensus appears frequently, and Back and forth process was happened coped with committee members' remarks.