Portal Powerhouse

Description: Portal Powerhouse - First concrete in powerhouse being placed in pump sump.
Type: Visual Materials(Opens in new tab)
Date: 8/16/1955
Call number: photCL SCE 02 - 43551
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 - First concrete around draft tube.
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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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Portal Powerhouse - Concreting pipe supports in Ward Tunnel. Skip-loader delivering concrete to buggies on runway.
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