Tunnelling got underway last month on Contract CW-BID1, as part of the 98km long Kunming Zhangjiuhe River Water Diversion and Water Supply Project in south-west China.
Contract CW-BID1 includes the 7.8km long Kangle tunnel and the 13.8km long Shanggongshan tunnel. The US$35M contract was awarded to the Italian contractor CMC (Cooperativa Muratori & Cementisti, Ravenna). Electrowatt Infra (with it’s Chinese Sub consultant GHIDRI) is assisting the client and supervising construction.
More in June’s T&TI