Portal Powerhouse

Description: Portal Powerhouse - By-pass section of structure near end of 1955 construction.
Type: Visual Materials(Opens in new tab)
Date: 10/15/1955
Call number: photCL SCE 02 - 43778
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 - Progress - powerhouse construction, mobile crane excavating foundation for by-pass section of building.
photCL SCE 02 - 43685
Portal Powerhouse
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Portal Powerhouse - Deepening tailrace channel near powerhouse before end of outage and start of diversion thru by-pass.
photCL SCE 02 - 43801
Portal Powerhouse
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Portal Powerhouse - Channel & Powerhouse structure, 700 cfs. Water flowing thru unrestricted By-Pass.
photCL SCE 02 - 43893
Portal Powerhouse
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Portal Powerhouse - Close-up of 1500 cfs discharge from end of by-pass pipe - unrestricted end area.
photCL SCE 02 - 43913
Portal Powerhouse
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Portal Powerhouse - installation of final design of restrictive baffle at end of by-pass pipe.
photCL SCE 02 - 43927
Portal Powerhouse
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Portal Powerhouse - 1500 cfs flow thru by-pass pipe with unrestricted end area.
photCL SCE 02 - 43912