|
|
|
|
Upper dam foundation treatment
|
|
|
|
|
Shotcreting, spudding, wire and excavation of headrace tunnel
|
|
|
|
|
|
|
Spudding, blasting, wire meshing, shotcretring, and excavation of adit tunnel
|
|
|
|
|
Shotcrete, upper dam spillway berm
|
|
|
|
|
Stabilizing fill, upper dam
|
|
|
|
|
Foundation excavation, upper dam
|
|
|
|
|
Random fill and compaction of upper dam access roads
|
|
|