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Visual Materials

Portal Powerhouse

Description: Portal Powerhouse - Failure of Steel splitter in Penstock Wye section.
Type: Visual Materials(Opens in new tab)
Date: 6/4/1956
Call number: photCL SCE 02 - 44584
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 - Close-up of splitter along bottom weld in Penstock Wye.
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Portal Powerhouse - Close-up of new 3/4" plate, nose splitter piece & portion of split pipe column
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Portal Powerhouse - Close-up of new 3/4" plate, nose splitter piece & portion of split pipe column - part of new wye reinforcement in penstock.
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Portal Powerhouse
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Portal Powerhouse - Placing reinforcing steel and forms for wye anchor.
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Portal Powerhouse - Penstock and Wye ready for connection to by-pass pipe.
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Portal Powerhouse - Gravel accumulated during spring and summer diversion at lower end of Turbine Wye Branch of Penstock. Estimated amount approx. 2 cu. yards with gravel arranging from 3' to 4" in size.
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Portal Powerhouse
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Portal Powerhouse - View from interior of Wye branch looking toward powerhouse.
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