Renovation of Concrete Water Tank in Chiba Prefecture, Japan

This paper describes the renovation of a circular concrete water tank that had suffered significant deterioration in its dome. After a feasibility study, it was determined that the most desirable solution consisted of the replacement of the existing concrete dome with one made of structural aluminum. The key features of the construction work, including existing dome demolition and installation of the new one, are presented herein with the intent of providing a case study to engineers, contractors, and owners facing similar challenges