Visual Materials
Portal Powerhouse
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Portal Powerhouse
Visual Materials
Portal Powerhouse - Deepening tailrace channel near powerhouse before end of outage and start of diversion thru by-pass.
photCL SCE 02 - 43801

Portal Powerhouse
Visual Materials
Portal Powerhouse - Penstock pipe in cribbing near outlet of Ward Tunnel welded together into pulling sections for installation in tunnel after start of outage.
photCL SCE 02 - 44795

Portal Powerhouse
Visual Materials
Portal Powerhouse - Upper end of tailrace channel before start of diversion from Florence Lake.
photCL SCE 02 - 43803

Portal Powerhouse
Visual Materials
Portal Powerhouse - Record pictures of tailrace channel during outage: Upper end of channel and lower end of tunnel diversion channel used during 1955.
photCL SCE 02 - 43798

Portal Powerhouse
Visual Materials
Portal Powerhouse - Lower end of new diversion after first flow of 400 cfs, during outage to install restriction.
photCL SCE 02 - 43926

Portal Powerhouse
Visual Materials
Portal Powerhouse - Start of diversion excavation. [exposing section of Ward Tunnel for diversion]
photCL SCE 02 - 43271