Visual Materials
Portal Powerhouse - Portal Forebay
- Description
- Portal Powerhouse - Portal Forebay - Downstream side of dam showing outlet end of 24" sluice pipe.
- Date
- 10/17/1955
- Call number
- photCL SCE 02 - 43786
Visual Materials
Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108
Visual Materials
Portal Powerhouse - Forebay - Completed concrete encasement around 24" diameter sluice pipe through rock fill downstream section.
photCL SCE 02 - 43536
Visual Materials
Portal Powerhouse - Forebay - Progress picture showing placement of upstream impervious fill in sluice pipe area, to top of 24" sluice pipe concrete encasement.
photCL SCE 02 - 43327
Visual Materials
Portal Powerhouse - Forebay - View from downstream of sluice pipe foundation excavation.
photCL SCE 02 - 43588
Visual Materials
Portal Powerhouse - Forebay - Sluice pipe and encasement viewed from downstream.
photCL SCE 02 - 43613
Visual Materials
Portal Powerhouse - Portal Forebay - Left end of dam from downstream side, showing spillway and pilot channel.
photCL SCE 02 - 43787
Visual Materials
Portal Powerhouse - Forebay - Preparation for rolling 24" diameter sluice pipe in place at forebay dam.
photCL SCE 02 - 43332