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Visual Materials

Portal Powerhouse

Description: Portal Powerhouse - Preparatory work for penstock erection.
Type: Visual Materials(Opens in new tab)
Date: 8/10/1955
Call number: photCL SCE 02 - 43609
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
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Portal Powerhouse - Preparatory work prior to penstock erection. New penstock supporting rails shown partially installed.
photCL SCE 02 - 43625
Portal Powerhouse
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Portal Powerhouse - Staging for inserting I-beams and penstock into pipe.
photCL SCE 02 - 43651
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Portal Powerhouse - First four sections of 8.5 diameter penstock, ready for install.
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Portal Powerhouse - Penstock and Wye ready for connection to by-pass pipe.
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Portal Powerhouse
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Portal Powerhouse - Outer end of 12' pipe showing install of I-beams for supporting penstock.
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Portal Powerhouse
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Portal Powerhouse - Failure of Steel splitter in Penstock Wye section.
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