Portal Powerhouse

Description: Portal Powerhouse - Water in spray chamber - flow from by-pass pipe pulsating.
Type: Visual Materials(Opens in new tab)
Date: 11/20/1955
Call number: photCL SCE 02 - 43885
Find out more: View in the Huntington Digital Library(Opens in new tab); View in the Library catalog(Opens in new tab)

Daily: 10 A.M.–5 P.M.

Closed on Tuesdays

1151 Oxford Road
San Marino, CA 91108

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Portal Powerhouse
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Portal Powerhouse - Downstream thru spray chamber at approx. 1800 cfs flow thru Ward Tunnel.
photCL SCE 02 - 43921
Portal Powerhouse
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Portal Powerhouse - General view shows water leaving spray chamber at approximately 1000 cfs.
photCL SCE 02 - 43884
Portal Powerhouse
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Portal Powerhouse - 1500 cfs flow thru by-pass pipe with unrestricted end area.
photCL SCE 02 - 43912
Portal Powerhouse
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Portal Powerhouse - Another view of discharge through spray chamber.
photCL SCE 02 - 43930
Portal Powerhouse
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Portal Powerhouse - Discharge through spray chamber at approx. 1350 cfs.
photCL SCE 02 - 43931
Portal Powerhouse
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Portal Powerhouse - By-pass pipe after installation of three horizontal baffles. With flow of 1000 cfs, upper two baffles were lost, due to excessive vibration.
photCL SCE 02 - 43916