Rupert dam   Lemare dam   Transfer tunnel   Nemiscau-1 dam   Nemiscau-2 dam   Dikes   Rupert workcamp   Eastmain-1-A powerhouse   Sarcelle powerhouse   Eastmain workcamp   KP 290 weir   KP 223 weir   KP 170 weir   KP 110.3 weir   KP 85 weir   KP 49 weir   KP 33 weir   Rock blanket, KP 20.4   Nemiscau workcamp

Learn about the project and track its progress Transfer Tunnel Back to main map >>> The function of the transfer tunnel is to carry the river's diverted flow from the Rupert forebay into the Rupert tailbay. It is designed to handle a flow of 800 m3/s at a velocity of about 3.3 m/s. Click here for plan view Length 2,900 m Height 18.6 m Width 12.7 m