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Visual Materials

Portal Powerhouse

Description: Portal Powerhouse - Staging for inserting I-beams and penstock into pipe.
Type: Visual Materials(Opens in new tab)
Date: 8/11/1955
Call number: photCL SCE 02 - 43651
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
Visual Materials
Portal Powerhouse - Outer end of 12' pipe showing install of I-beams for supporting penstock.
photCL SCE 02 - 43650
Portal Powerhouse
Visual Materials
Portal Powerhouse - Applying Protex protective coating to first section of 8.5' diameter penstock pipe prior to pulling into 12' diameter pipe for second section make-up.
photCL SCE 02 - 43570
Portal Powerhouse
Visual Materials
Portal Powerhouse - Penstock pipe in cribbing near outlet of Ward Tunnel welded together into pulling sections for installation in tunnel after start of outage.
photCL SCE 02 - 44795
Portal Powerhouse
Visual Materials
Portal Powerhouse - Penstock and Wye ready for connection to by-pass pipe.
photCL SCE 02 - 43850
Portal Powerhouse
Visual Materials
Portal Powerhouse - Installation of I-beams.
photCL SCE 02 - 43652
Portal Powerhouse - Progress picture
Visual Materials
Portal Powerhouse - Progress picture - First day of outage. Section of 12' diameter outlet pipe cut out and extending skid rails into tunnel for pulling penstock.
photCL SCE 02 - 44798