Visual Materials
Portal Powerhouse - Forebay
- Description
- Portal Powerhouse - Forebay - Cleaning and trimming rock foundation for spillway crest concrete.
- Date
- 10/3/1955
- Call number
- photCL SCE 02 - 43759
Visual Materials
Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108
Visual Materials
Portal Powerhouse - Forebay - Showing forms for concrete spillway crest.
photCL SCE 02 - 43765
Visual Materials
Portal Powerhouse - Portal Forebay - Spillway from downstream of crest.
photCL SCE 02 - 43792
Visual Materials
Portal Powerhouse - Forebay - Spillway channel from vicinity of crest.
photCL SCE 02 - 43818
Visual Materials
Portal Powerhouse - Forebay - Drilling rock for spillway excavation as seen from dam abutment.
photCL SCE 02 - 43628
Visual Materials
Portal Powerhouse - Forebay - North across rock-protected spillway crest.
photCL SCE 02 - 43816
Visual Materials
Portal Powerhouse - Forebay - Completed concrete encasement around 24" diameter sluice pipe through rock fill downstream section.
photCL SCE 02 - 43536