Visual Materials
Portal Powerhouse - Forebay
- Description
- Portal Powerhouse - Forebay - Placing impervious blanket on morane slope upstream from right abutment.
- Date
- 8/4/1955
- Call number
- photCL SCE 02 - 43534
Visual Materials
Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108
Visual Materials
Portal Powerhouse - Forebay - Left: placing impervious blanket material - Foreground: material scraped from damsite.
photCL SCE 02 - 43581
Visual Materials
Portal Powerhouse - Forebay - View from station 5+00, looking toward left abutment, showing outcroppings of ledge rock while excavating for upstream cutoff under impervious section.
photCL SCE 02 - 43311
Visual Materials
Portal Powerhouse - Forebay - Upstream face of dam near right abutment, sluice gate intall.
photCL SCE 02 - 43775
Visual Materials
Portal Powerhouse - Forebay - Impervious fill upstream and start of rock fill in sluicepipe area of forebay dam.
photCL SCE 02 - 43322
Visual Materials
Portal Powerhouse - Forebay - Fill placing operation as seen from east abutment.
photCL SCE 02 - 43632
Visual Materials
Portal Powerhouse - Forebay - Fill placing operation as seen from east abutment.
photCL SCE 02 - 43633