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Visual Materials

Portal Powerhouse

Description: Portal Powerhouse - Looking down tailrace channel from top of Wye anchor.
Type: Visual Materials(Opens in new tab)
Date: 5/22/1956
Call number: photCL SCE 02 - 44566
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 - Down tailrace channel near powerhouse.
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Portal Powerhouse - Down tailrace channel, 700 cfs flow.
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Portal Powerhouse - View down tailrace channel during tunnel outage for re-seating draft tube gate.
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Portal Powerhouse - Placing reinforcing steel and forms for wye anchor.
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Portal Powerhouse - Record photo of appearance of tailrace channel immediately downstream from powerhouse prior to excavation for tailrace weir.
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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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