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Visual Materials

Portal Powerhouse

Description: Portal Powerhouse - Welding wye bend and setting by-pass pipe.
Type: Visual Materials(Opens in new tab)
Date: 9/16/1955
Call number: photCL SCE 02 - 43726
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 - Penstock and Wye ready for connection to by-pass pipe.
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Portal Powerhouse
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Portal Powerhouse - 2nd of 3 flash pictures of completed wye-branch reinforcement; close-up of welding details at bottom of pipe columns.
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Portal Powerhouse - Last of 3 flash pictures of completed wye-branch reinforcement; close-up of welding details at bottom of pipe columns.
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Portal Powerhouse - Progress: Forming and placing reinforcing steel for by-pass bend anchor.
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Portal Powerhouse - 1st of 3 flashlight close-ups of completed wye-branch reinforcement looking downstream into branch pipes showing upstream pipe columns and rock deflector.
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Portal Powerhouse
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Portal Powerhouse - Placing concrete in supporting wall under end of 12' diameter pipe. Excavating old concrete anchor. [Forming new] foundation & Wye branch anchor.
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