With the completion of top-level design, the construction of city utility tunnel has entered the era of large-scale development. The early development of city utility tunnel was mainly completed by government. The corridor building and pipelines laying are carried out separately with low development performance. PPP＋EPCO model has the characteristics of ＂public and private cooperation ＋ full lifecyele management＂. In the development of PPP＋EPCO proj- ects, fairness and benefit are taken into account, and the efficiency of integrated manage...
