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Visual Materials

Portal Powerhouse - Forebay

Description: Portal Powerhouse - Forebay - Looking downstream in area excavated for sluicepipe.
Type: Visual Materials(Opens in new tab)
Date: 7/25/1955
Call number: photCL SCE 02 - 43317
Find out more: View in the Huntington Digital Library(Opens in new tab); View in the Library catalog(Opens in new tab)

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Portal Powerhouse - Forebay
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Portal Powerhouse - Forebay - Loading tunnel muck for placement in dam downstream zone.
photCL SCE 02 - 43629
Portal Powerhouse - Portal Forebay
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Portal Powerhouse - Portal Forebay - Downstream side of dam showing outlet end of 24" sluice pipe.
photCL SCE 02 - 43786
Portal Powerhouse - Portal Forebay
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Portal Powerhouse - Portal Forebay - Left end of dam from downstream side, showing spillway and pilot channel.
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Portal Powerhouse - Forebay
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Portal Powerhouse - Forebay - View from right abutment showing site preparation for downstream rock fill portion of the dam.
photCL SCE 02 - 43306
Portal Powerhouse - Forebay
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Portal Powerhouse - Forebay - Compacting downstream dam foundation near west abutment.
photCL SCE 02 - 43580
Portal Powerhouse - Forebay
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Portal Powerhouse - Forebay - View from downstream of sluice pipe foundation excavation.
photCL SCE 02 - 43588