Visual Materials
Portal Powerhouse
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Portal Powerhouse
Visual Materials
Portal Powerhouse - Tailrace channel from highway bridge. Approx. 1850 cfs flow from Ward Tunnel and Rancheria Creek.
photCL SCE 02 - 44564

Portal Powerhouse
Visual Materials
Portal Powerhouse - Discharge at approximately 1800 cfs flow through Ward Tunnel.
photCL SCE 02 - 43920

Portal Powerhouse
Visual Materials
Portal Powerhouse - View from highway bridge showing excavation progress in tailrace channel section isolated by diverting flow into Potter Creek Tunnel.
photCL SCE 02 - 43562

Portal Powerhouse
Visual Materials
Portal Powerhouse - South side of channel, vicinity of highway bridge after 1100 cfs test flow.
photCL SCE 02 - 43905

Portal Powerhouse
Visual Materials
Portal Powerhouse - Undercutting of southwest abutment of Highway 168 bridge under Potter Creek
photCL SCE 02 - 43945

Portal Powerhouse
Visual Materials
Portal Powerhouse - Tailrace channel excavation progress in section isolated by diverting tunnel discharge in Potter Creek Channel.
photCL SCE 02 - 43545