Portal Powerhouse

Description: Portal Powerhouse - First concrete around draft tube.
Type: Visual Materials(Opens in new tab)
Date: 9/12/1955
Call number: photCL SCE 02 - 43709
Find out more: View in the Huntington Digital Library(Opens in new tab); View in the Library catalog(Opens in new tab)

You might also be interested in

Portal Powerhouse - Setting first section of draft tube
Visual Materials
Portal Powerhouse - Setting first section of draft tube - progress picture.
photCL SCE 02 - 43691
Portal Powerhouse
Visual Materials
Portal Powerhouse - Foundation excavation in firm decomposed granite draft tube side of powerhouse. Excavation approx. 1' above final grade.
photCL SCE 02 - 43546
Portal Powerhouse
Visual Materials
Portal Powerhouse - Draft tube gates set temporarily in place till work resumes next year.
photCL SCE 02 - 43779
Portal Powerhouse
Visual Materials
Portal Powerhouse - First concrete in powerhouse being placed in pump sump.
photCL SCE 02 - 43551
Portal Powerhouse - Forebay
Visual Materials
Portal Powerhouse - Forebay - Completed concrete encasement around 24" diameter sluice pipe through rock fill downstream section.
photCL SCE 02 - 43536
Portal Powerhouse
Visual Materials
Portal Powerhouse - Charging Skip-loader with concrete thru hole in top of 12' pipe, outside tunnel portal.
photCL SCE 02 - 43693