Long headrace for Song Bung 2 in VietnamConstruction of the 100 MW Song Bung 2 hydro plant project in Quang Nam province has been awarded to Cavico. The contract includes surge tank, powerhouse and three tunnels, of which the 11.26 km-long x 4.9 m-wide headrace will be the largest and most sophisticated to be built in Vietnam. More about current Cavico contracts from tunnelbuilder archive Vietnam or visit www.cavicovn.com. 52/10.