Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108
Visual Materials
Portal Powerhouse - Placing reinforcing steel and forms for wye anchor.
photCL SCE 02 - 43769
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 - Temporary backing to reduce vibration in 3/8" plate bulkhead in turbine Wye branch inadequate; it was replaced with concrete disc back by I-beams.
photCL SCE 02 - 43898
Visual Materials
Portal Powerhouse - View of 8.5' diameter penstock pipe supports inside 12' diameter outlet pipe, Ward Tunnel.
photCL SCE 02 - 43560
Visual Materials
Big Creek, Huntington Lake Dams - Portal Powerhouse - Progress of powerhouse structure. Forming for back wall and penstock bend anchor at powerhouse.
photCL SCE 02 - 43752
Visual Materials
Portal Powerhouse - View showing timber backing for 14"welded plate diversion bulkhead in 12' diameter pipe.
photCL SCE 02 - 43307
