Visual Materials
Portal Powerhouse - Forebay - Looking northeast along 2nd. tangent
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Portal Powerhouse - Portal Forebay
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Portal Powerhouse - Portal Forebay - Reservoir looking north, shows northeast end of dam.
photCL SCE 02 - 43855

Portal Powerhouse - Forebay
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Portal Powerhouse - Forebay - Progress picture forebay dam. View from right abutment looking toward left abutment.
photCL SCE 02 - 43333

Portal Powerhouse - Forebay
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Portal Powerhouse - Forebay - Installing 6" dia. drain in foundation, sluice pipe area, prior to any fill. Note form for concrete cutoff around pipe. One of three installed.
photCL SCE 02 - 43323

Portal Powerhouse - Portal Forebay - Looking west
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Portal Powerhouse - Portal Forebay - Looking west - shows cutting of channel to vertical shaft.
photCL SCE 02 - 43856

Portal Powerhouse - Portal Forebay
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Portal Powerhouse - Portal Forebay - Looking up shaft, shows inlet tunnel intersection with shaft, temporary ladder.
photCL SCE 02 - 43791

Portal Powerhouse - Forebay
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Portal Powerhouse - Forebay - Evidence of bed rock exposed by excavation between Stations 2+00 & 3+00, near the left abutment and along dam axis.
photCL SCE 02 - 43326