Visual Materials
Portal Powerhouse
- Description
- Portal Powerhouse - Outlet end and anchor on concrete overflow pipe from surge chamber.
- Date
- 9/22/1956
- Call number
- photCL SCE 02 - 44819
Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108

Visual Materials
Portal Powerhouse - Placing concrete in supporting wall under end of 12' diameter pipe. Excavating old concrete anchor. [Forming new] foundation & Wye branch anchor.
photCL SCE 02 - 43529

Visual Materials
Powerhouse 2a penstock - Looking uphill from the S. J. & E. RR crossing at West Portal Anchor #5, and the surge chamber alongside it. Anchor #5 still has the concrete forms on it.
photCL SCE 02 - 14829

Visual Materials
Portal Powerhouse - Portal Forebay - Downstream side of dam showing outlet end of 24" sluice pipe.
photCL SCE 02 - 43786

Visual Materials
Portal Powerhouse - Rock fill dike across Rancheria Creek to form detention pond for surge overflow.
photCL SCE 02 - 44818

Visual Materials
Powerhouse 2a. - Penstock anchor #4 near surge chamber at West. Portal.
photCL SCE 02 - 14827

Visual Materials
Portal Powerhouse - Starting reinforcing steel for upper portion of surge chamber structure.
photCL SCE 02 - 44820