Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108
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 - Butterfly valve attached to turbine nozzle - Penstock bulkhead still in place.
photCL SCE 02 - 44608
Visual Materials
Portal Powerhouse - Installation of penstock supports in pipe. View from downstream side of bulkhead.
photCL SCE 02 - 43654
Visual Materials
Portal Powerhouse - Installation of penstock supports in pipe. View from downstream side of bulkhead.
photCL SCE 02 - 43655
Visual Materials
Portal Powerhouse - Up tailrace channel from under bridge, during outage to install triangular restriction at end of branch of penstock.
photCL SCE 02 - 43923
Visual Materials
Big Creek - Portal Powerhouse - [installing penstock split section modification.]
photCL SCE 06 - 46408
